Power consumption control method and device and storage medium

Abstract

The invention relates to the technical field of ultrasonic imaging, and discloses a power consumption control method and device and a storage medium, and the method comprises the steps: obtaining imaging data collected by a handheld ultrasonic probe; determining whether the handheld ultrasonic probe is used for scanning imaging or not according to the difference condition of the imaging data; under the condition that the handheld ultrasonic probe is not used for scanning imaging, the handheld ultrasonic probe is adjusted to be in a low-power-consumption state. According to the invention, through the imaging data collected by the handheld ultrasonic probe, whether the current scanning imaging is used can be directly judged, and then the low-power-consumption state is adaptively adjusted when the current scanning imaging is not used, so that the self-adaptive power consumption control can be realized, and the endurance time can be prolonged; according to the portable ultrasonic probe, additional components such as a motion sensor and a capacitance sensor do not need to be added on the handheld ultrasonic probe, the size, the weight and the cost of the portable ultrasonic equipment can not be increased, additional power consumption caused by the addition of the components is avoided, the implementation mode is simple, and the cost is low.

Description

Technical Field

[0001] The present invention relates to the technical field of ultrasonic imaging, and in particular to a power consumption control method, device and storage medium. Background Art

[0002] Ultrasound imaging has been widely used to visualize human tissues and organs, and is an indispensable part of medical imaging systems. It has the characteristics of no electromagnetic radiation, low price, good real-time performance, and the ability to detect Doppler information of blood flow, making it a diagnostic tool for multiple scenarios such as obstetrics and pediatrics. The most well-known ultrasound equipment is the large desktop equipment in the ultrasound department of the hospital, but its nature of being inconvenient to move or carry around requires patients to accommodate the location of the instrument, that is, patients need to move from the ward or home to the ultrasound equipment for ultrasound examination.

[0003] In recent years, with the continuous advancement of technology, small, handheld portable ultrasound devices have been born. Their portability and low cost have enabled ultrasound imaging to be used in more scenarios, such as simple imaging diagnosis of patients in ambulances, bedside ultrasound examinations of patients during doctor's rounds, and home doctors visiting patients at home; this has brought great convenience to both patients and doctors. However, compared with large desktop ultrasound devices, portable ultrasound devices usually have poor power supply capabilities, which greatly limits the battery life of portable ultrasound devices. Summary of the invention

[0004] In view of this, the present invention provides a power consumption control method, device and storage medium to solve the problem of short battery life of a portable ultrasound device.

[0005] In a first aspect, the present invention provides a power consumption control method, comprising:

[0006] Acquire imaging data collected by a handheld ultrasound probe;

[0007] Determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in the imaging data;

[0008] When the handheld ultrasound probe is not used for scanning imaging, the handheld ultrasound probe is adjusted to a low power consumption state.

[0009] The power consumption control method provided by the present invention can directly determine whether the handheld ultrasound probe is currently used for scanning and imaging through the imaging data collected by the handheld ultrasound probe, and then adaptively adjust to a low power consumption state when not used for scanning and imaging, so as to realize adaptive power consumption control and extend the battery life. The method does not need to add additional motion sensors, capacitive sensors and other components to the handheld ultrasound probe, and does not increase the volume, weight, cost, etc. of the portable ultrasound device, and does not cause additional power consumption due to the addition of components. The implementation method is simple and the cost is low.

[0010] In some optional implementations, the imaging data includes channel data used for imaging; the determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in the imaging data includes: judging whether the handheld ultrasound probe is used for scanning imaging according to the change between the channel data at different times. Wherein, according to the change of the channel data at different times, it is possible to judge whether the handheld ultrasound probe is used for scanning imaging. This method can make a judgment after acquiring the channel data, and can simply and quickly determine whether the handheld ultrasound probe is used for scanning imaging.

[0011] In some optional embodiments, judging whether the handheld ultrasound probe is used for scanning imaging based on changes between channel data at different moments includes: determining a first similarity between current channel data and historical channel data; the historical channel data is channel data collected before the current channel data; and when the first similarity is greater than a first threshold, determining that the handheld ultrasound probe is not used for scanning imaging.

[0012] In some optional implementations, judging whether the handheld ultrasound probe is used for scanning imaging according to changes between channel data at different moments includes:

[0013] When the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to the changes between the channel data at different times. In the PW mode or the M mode, there is less channel data, and it can be determined relatively quickly whether the handheld ultrasound probe is used for scanning imaging.

[0014] In some optional embodiments, the imaging data includes image data determined based on channel data; the determining whether the handheld ultrasound probe is used for scanning imaging based on the difference in the imaging data includes: judging whether the handheld ultrasound probe is used for scanning imaging based on the change between different frames of image data. Wherein, judging whether the handheld ultrasound probe is used for scanning imaging based on the change between different frames of image data, this method can use image data containing more information for judgment, and can more accurately determine whether the handheld ultrasound probe is used for scanning imaging.

[0015] In some optional embodiments, judging whether the handheld ultrasound probe is used for scanning imaging based on changes between different frame image data includes: determining a second similarity between current frame image data and historical frame image data; and determining that the handheld ultrasound probe is not used for scanning imaging when the second similarity is greater than a second threshold.

[0016] In some optional embodiments, judging whether the handheld ultrasound probe is used for scanning imaging based on changes between different frames of image data includes: when the current imaging mode of the handheld ultrasound probe includes B mode or C mode, judging whether the handheld ultrasound probe is used for scanning imaging based on changes between different frames of image data.

[0017] In some optional implementations, the imaging data includes image data determined based on channel data; the determining whether the handheld ultrasound probe is used for scanning imaging based on the difference in the imaging data includes: judging whether the handheld ultrasound probe is used for scanning imaging based on the difference between images of different depths in the current frame image data. According to the difference between images of different depths in the current frame image data, it is possible to judge whether the handheld ultrasound probe is unloaded, and then determine whether it is used for scanning imaging. This method is simple to implement and has high accuracy.

[0018] In some optional embodiments, judging whether the handheld ultrasound probe is used for scanning imaging based on the difference between images at different depths in the current frame image data includes: dividing the current frame image data into a plurality of sub-images corresponding to different depth ranges; determining a third similarity between two of the sub-images; and determining that the handheld ultrasound probe is not used for scanning imaging if the third similarity between the two sub-images is less than a third threshold.

[0019] In some optional implementations, determining the third similarity between two of the sub-images includes: determining the third similarity between two adjacent sub-images in order from shallow to deep. Determining the third similarity between two adjacent sub-images in order from shallow to deep can more quickly determine whether there is a highlight area at the shallowest depth position, thereby more quickly determining whether the handheld ultrasound probe is unloaded.

[0020] In some optional embodiments, judging whether the handheld ultrasound probe is used for scanning imaging based on differences between images at different depths in current frame image data includes: judging whether the handheld ultrasound probe is used for scanning imaging based on differences between images at different depths in current frame image data when the current imaging mode of the handheld ultrasound probe includes a B mode.

[0021] In some optional embodiments, the method further includes: preferentially determining whether the current imaging mode of the handheld ultrasound probe includes a PW mode or an M mode; or preferentially determining whether the current imaging mode of the handheld ultrasound probe includes a B mode.

[0022] In some optional embodiments, adjusting the handheld ultrasound probe to a low power consumption state includes: reducing a scanning parameter and / or an imaging parameter of the handheld ultrasound probe to a non-zero value.

[0023] In a second aspect, the present invention provides an electronic device, which is a handheld ultrasound probe or a host computer of a portable ultrasound device, and the electronic device includes: a memory and a processor, the memory and the processor are communicatively connected to each other, computer instructions are stored in the memory, and the processor executes the power consumption control method of the first aspect or any corresponding embodiment thereof by executing the computer instructions.

[0024] In a third aspect, the present invention provides a portable ultrasound device, comprising: a handheld ultrasound probe and a host computer; the handheld ultrasound probe and / or the host computer are used to execute the power consumption control method of the first aspect or any corresponding embodiment thereof.

[0025] In a fourth aspect, the present invention provides a computer-readable storage medium having computer instructions stored thereon, the computer instructions being used to enable a computer to execute the power consumption control method of the first aspect or any corresponding embodiment thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related technologies, the drawings required for use in the specific embodiments or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 is a schematic structural diagram of a portable ultrasound device according to an embodiment of the present invention;

[0028] Figure 2 is a structural block diagram of a portable ultrasound device according to an embodiment of the present invention;

[0029] Figure 3 is a schematic flow chart of a power consumption control method according to an embodiment of the present invention;

[0030] Figure 4 is a flow chart of another power consumption control method according to an embodiment of the present invention;

[0031] Figure 5 is a flow chart of another power consumption control method according to an embodiment of the present invention;

[0032] Figure 6 is a flow chart of yet another power consumption control method according to an embodiment of the present invention;

[0033] Figure 7 is a schematic diagram of dividing image data according to an embodiment of the present invention;

[0034] Figure 8 is a detailed flowchart of a power consumption control method according to an embodiment of the present invention;

[0035] Fig. 9 is a structural block diagram of a power consumption control device according to an embodiment of the present invention;

[0036] Fig.10 It is a schematic diagram of the hardware structure of the electronic device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0038] like Figure 1 As shown, the portable ultrasound device includes a handheld ultrasound probe 110 and a host computer 120. The handheld ultrasound probe 110 and the host computer 120 can communicate with each other via wired or wireless means. For example, the handheld ultrasound probe 110 and the host computer 120 can communicate with each other via wireless means such as Wifi and Bluetooth, and generally use Wifi. Among them, the handheld ultrasound probe 110 is a device for transmitting and receiving ultrasound during the ultrasound detection process. The handheld ultrasound probe 110 can generate ultrasound and receive reflected echo signals, and then use the echo signals to generate corresponding image data. The host computer 120 is a device with a display function. For example, the host computer 120 can be a mobile terminal such as a smart phone, a tablet computer, or a personal computer; the host computer 120 can process the image data to display the corresponding ultrasound image.

[0039] like Figure 2As shown, the handheld ultrasonic probe 110 includes a transducer 111 and a controller 112, etc. The transducer 111 is used to realize the conversion of ultrasonic waves, and can transmit and receive ultrasonic waves; wherein the controller 112 can perform scanning control on the transducer 111 to control the working state of the transducer 111, for example, the imaging mode of the transducer 111 can be controlled. After the transducer 111 receives the echo signal, each channel can form corresponding channel data, and the transducer 111 sends the channel data to the controller 112, so that the controller 112 can convert the channel data into corresponding image data, and perform data transmission with the host computer 120, for example, the controller 112 sends the image data to the host computer 120. wherein the controller 112 can specifically be an FPGA (Field Programmable Gate Array, field programmable gate array) or the like.

[0040] The imaging modes of the portable ultrasound device generally include: B mode, C mode, PW mode and M mode, etc. In addition, the portable ultrasound device can also be in a composite mode, for example, the portable ultrasound device is in B+M mode, B+C mode, B+C+PW, etc.

[0041] Among them, B mode, namely brightness imaging mode, is a mode often used in ultrasound imaging. It can display a cross-sectional image of the detection part on the display screen. The cross-sectional image is a two-dimensional image. This mode uses brightness modulation to display the strength of the echo signal, that is, the brightness represents the strength of the echo signal. Generally speaking, the brighter the brightness, the stronger the returned sound wave.

[0042] C mode is a color Doppler imaging mode, which can be a color blood flow Doppler imaging mode, commonly known as color Doppler ultrasound. This mode is based on the B mode structural image, and the blood flow signal is marked with different colors to facilitate the observation of blood flow distribution in tissues and organs.

[0043] PW mode, namely Pulsed Wave Doppler imaging mode, also known as D (Doppler) mode, can locate the target point through selective time delay. Among them, the Doppler gate or opening can be set in the area of ​​interest, and its width can be adjusted as needed, and the spectrum waveform can be displayed in the Doppler gate.

[0044] M mode, or motion imaging mode, can be used to analyze the movement of structures. For example, a single beam is emitted along a selected line to collect motion data of all structures along this line. All points on this line are plotted over time and can be used to assess the diameter of a cavity or the movement of a structure.

[0045] During the operation of the portable ultrasound device, the handheld ultrasound probe 110 will frequently emit ultrasound waves and receive corresponding echo signals, which will cause more power consumption and result in a shorter battery life of the portable ultrasound device. For example, it is easy to cause a shorter battery life of the handheld ultrasound probe 110. Therefore, power consumption control of the portable ultrasound device is extremely important for the battery life of the device.

[0046] The current portable ultrasound device uses a method of controlling power consumption, which is mostly to set an automatic freeze time, and the device will automatically freeze when the time is up. This method is very clumsy. Some solutions add motion sensors, capacitive sensors, etc. to the handheld ultrasound probe 110 to detect whether the handheld ultrasound probe 110 is moving, whether it is held by a human body, whether it is in contact with a human body, etc., so as to determine whether the portable ultrasound device needs to operate in a low power consumption state.

[0047] Since the main circuits, chips and power supply equipment of the portable ultrasound device are mainly concentrated in a handheld ultrasound probe 110, and the handheld ultrasound probe 110 must be light and flexible, its internal space is very limited; adding motion sensors, capacitive sensors and other components to the handheld ultrasound probe 110 will occupy the internal space of the probe, increase the size and weight of the device, and increase the cost of the device. In addition, the power supply equipment of the handheld ultrasound probe 110 is usually a battery, and the added motion sensors, capacitive sensors and other components also need to use the battery of the portable ultrasound device, which is also not conducive to improving the battery life.

[0048] The embodiment of the present invention provides a power consumption control method, which can directly determine whether the handheld ultrasound probe is currently in use through the imaging data collected by the handheld ultrasound probe, and then adjust it to a low power consumption state when not in use, thereby achieving the effect of extending the battery life. The method does not require the addition of additional motion sensors, capacitive sensors and other components to the handheld ultrasound probe, and the implementation method is simple.

[0049] According to an embodiment of the present invention, an embodiment of a power consumption control method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0050] In this embodiment, a power consumption control method is provided, which can be used for a handheld ultrasound probe and / or a host computer of the portable ultrasound device, for example, can be used for a controller 112 of the handheld ultrasound probe. Figure 3 is a flow chart of a power consumption control method according to an embodiment of the present invention. Figure 3 As shown, the process includes the following steps.

[0051] Step S301: acquiring imaging data collected by a handheld ultrasound probe.

[0052] In this embodiment, the handheld ultrasound probe will collect imaging data for realizing ultrasound imaging during operation. The imaging data may be intermediate data for imaging, for example, the imaging data may be channel data determined after the handheld ultrasound probe receives an echo signal; or, the imaging data may be image data determined based on the above channel data, for example, corresponding image data may be generated based on the Doppler principle, and the corresponding ultrasound image may be displayed by displaying the image data. For example, the image data may be two-dimensional data, each element of which represents the gray value of the corresponding pixel point.

[0053] Step S302: determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data.

[0054] After the portable ultrasound device is turned on, its handheld ultrasound probe is generally not used for scanning and imaging all the time. For example, the user will not always place the handheld ultrasound probe on the human body to collect ultrasound images. When the handheld ultrasound probe is not used for scanning and imaging, that is, when the user does not use the handheld ultrasound probe for scanning, the imaging data collected by the handheld ultrasound probe will show different characteristics from those during scanning and imaging. Based on this, it can be determined whether the handheld ultrasound probe is currently used for scanning and imaging.

[0055] In this embodiment, when the handheld ultrasound probe is not used for scanning and imaging, the imaging data collected by the handheld ultrasound probe has specific differences, and the differences are different from the differences in the imaging data when the handheld ultrasound probe is used for scanning and imaging. Therefore, based on the differences in the imaging data, it can be determined whether the handheld ultrasound probe is used for scanning and imaging.

[0056] For example, when the handheld ultrasound probe is not scanning and imaging, the imaging data collected by the handheld ultrasound probe generally does not change much, so the difference between different imaging data is small, based on which it can be determined whether the handheld ultrasound probe is currently used for scanning and imaging; or, when the handheld ultrasound probe is not scanning and imaging, the imaging data collected by the handheld ultrasound probe at a certain moment may itself show certain differences, based on which it can also be determined whether the handheld ultrasound probe is currently used for scanning and imaging.

[0057] Step S303: When the handheld ultrasound probe is not used for scanning and imaging, the handheld ultrasound probe is adjusted to a low power consumption state.

[0058] In this embodiment, if the handheld ultrasound probe is currently used for scanning and imaging, the handheld ultrasound probe can be controlled to continue to work normally so that scanning and imaging can continue; if the handheld ultrasound probe is not currently used for scanning and imaging, the handheld ultrasound probe can be adjusted to a low power consumption state, so that the power consumption of the handheld ultrasound probe can be reduced in time, and the use time after a single charge can be increased, and the battery life can be extended; and in the low power consumption state, heat release can also be reduced, which is beneficial to the heat dissipation of the device. Furthermore, the imaging quality of traditional portable ultrasound devices is generally relatively poor. The method provided in this embodiment can extend the battery life and support the portable ultrasound device to use higher imaging quality for ultrasound imaging, which is beneficial to improve the imaging quality.

[0059] In some optional implementations, the above step S303 of "adjusting the handheld ultrasound probe to a low power consumption state" may specifically include: reducing the scanning parameters and / or imaging parameters of the handheld ultrasound probe to non-zero values.

[0060] In this embodiment, if the handheld ultrasonic probe is not currently used for scanning and imaging, and the handheld ultrasonic probe is adjusted from a normal working state to a low power consumption state, since there are still cases where the handheld ultrasonic probe is used by users in the future, it is still necessary to determine whether to switch the handheld ultrasonic probe from the low power consumption state back to the normal working state after the handheld ultrasonic probe is adjusted to the low power consumption state. To ensure that the handheld ultrasonic probe can continue to be determined whether it is used for scanning and imaging after it is adjusted to the low power consumption state, the handheld ultrasonic probe still needs to be able to collect imaging data. If it is determined based on the imaging data that the handheld ultrasonic probe is currently used for scanning and imaging, the handheld ultrasonic probe can be switched from the low power consumption state back to the normal working state.

[0061] Specifically, when the handheld ultrasound probe needs to be adjusted to a low power consumption state, the scanning parameters and / or imaging parameters of the handheld ultrasound probe can be reduced, and the reduced values ​​are non-zero values, for example, the reduced scanning parameters and / or imaging parameters are a smaller value to ensure that the corresponding imaging data can still be collected by the handheld ultrasound probe. The scanning parameters may include: at least one of a scanning frame rate, a scanning speed, and a pulse repetition frequency (PRF); the imaging parameters may include: at least one of a number of emission lines, an emission voltage, and an imaging depth.

[0062] For example, when it is necessary to adjust the handheld ultrasound probe to a low power consumption state, the scanning frame rate can be reduced; for example, after scanning a frame of imaging data, an idle time is set, during which the handheld ultrasound probe is in a non-transmitting and non-scanning state, thereby achieving the effect of reducing the scanning frame rate and reducing power consumption. Alternatively, the number of rays, the transmitting voltage, or the imaging depth can be reduced to enter a low power consumption state. Alternatively, in some modes (for example, PW mode, M mode, etc.), scanning parameters such as scanning speed and pulse repetition frequency are also provided, and the scanning speed and pulse repetition frequency can also be reduced at this time. Among them, how the handheld ultrasound probe enters a low power consumption state can be pre-set, and this embodiment does not limit this.

[0063] The handheld ultrasound probe can determine whether it needs to be adjusted to a low power consumption state, and directly adjust itself to a low power consumption state when it needs to be adjusted to a low power consumption state. For example, the controller 112 of the handheld ultrasound probe 110 executes the power consumption control method provided in this embodiment. If the controller 112 determines that no scanning and imaging is currently being performed, the handheld ultrasound probe can be directly controlled to enter a low power consumption state, for example, the controller 112 directly reduces the scanning parameters and imaging parameters of the handheld ultrasound probe.

[0064] Alternatively, in general, the host computer needs to control the power consumption of the handheld ultrasonic probe, that is, the host computer needs to control the handheld ultrasonic probe to enter a low power consumption state. Specifically, if it is currently determined that the handheld ultrasonic probe is not used for scanning imaging, the host computer can send a low power consumption control instruction to the handheld ultrasonic probe, and the handheld ultrasonic probe enters a low power consumption state after receiving the low power consumption control instruction. For example, Figure 2 As shown, the host computer 120 executes the power consumption control method provided in this embodiment. If the host computer 120 determines that it is not currently used for scanning and imaging, it can send a low power consumption control instruction to the handheld ultrasonic probe 110, so that the handheld ultrasonic probe 110 enters a low power consumption state. Alternatively, the power consumption control method provided in this embodiment is executed by the controller 112 of the handheld ultrasonic probe 110. If the controller 112 determines that it is not currently used for scanning and imaging, it can send a request to enter a low power consumption state to the host computer 120, or send information indicating that it is not currently used for scanning and imaging. Based on this, the host computer 120 can return a low power consumption control instruction to the controller 112, so that the handheld ultrasonic probe 110 can enter a low power consumption state.

[0065] The power consumption control method provided in this embodiment can directly determine whether the handheld ultrasound probe is currently used for scanning and imaging through the imaging data collected by the handheld ultrasound probe, and then adaptively adjust to a low power consumption state when it is not used for scanning and imaging, so as to realize adaptive power consumption control and extend the battery life. This method does not require the addition of additional motion sensors, capacitive sensors and other components to the handheld ultrasound probe, and does not increase the volume, weight, cost, etc. of the portable ultrasound device, and does not cause additional power consumption due to the addition of components. The implementation method is simple and the cost is low.

[0066] In this embodiment, a power consumption control method is provided, which can be used for a handheld ultrasound probe and / or a host computer of the portable ultrasound device, for example, can be used for a controller 112 of the handheld ultrasound probe. Figure 4 is a flow chart of a power consumption control method according to an embodiment of the present invention. Figure 4 As shown, the process includes the following steps.

[0067] Step S401: acquiring imaging data collected by a handheld ultrasound probe.

[0068] For details, please see Figure 3 Step S301 of the illustrated embodiment will not be described in detail here.

[0069] Step S402: determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data.

[0070] In this embodiment, the imaging data may include channel data used for imaging; for example, the above step S401 may specifically include: acquiring channel data collected by the handheld ultrasound probe. Based on the channel data, it can be determined whether the handheld ultrasound probe is used for scanning imaging.

[0071] Specifically, the above step S402 of "determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data" may include the following step S4021.

[0072] Step S4021, judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between the channel data at different times.

[0073] In this embodiment, the handheld ultrasound probe can collect channel data at a certain moment at a certain interval, and the channel data can be used for imaging, and image data of the corresponding frame can be obtained based on the channel data. The handheld ultrasound probe can use one or more channels to collect data, thereby collecting corresponding channel data; generally, the channel data collected by a channel at a certain moment includes multiple data points.

[0074] During the operation of the handheld ultrasound probe, the corresponding channel data can be collected at different times; if the user uses the handheld ultrasound probe for scanning and imaging, the collected channel data will generally change; if the user is not currently using the handheld ultrasound probe, that is, the handheld ultrasound probe is not currently used for scanning and imaging, the channel data collected by the handheld ultrasound probe generally does not change much. Therefore, according to the changes in the channel data at different times, it can be judged whether the handheld ultrasound probe is used for scanning and imaging.

[0075] Specifically, if the channel data at different times do not change much, it can be considered that the handheld ultrasound probe is not currently used for scanning imaging. For example, the handheld ultrasound probe collects channel data 1 at the current time and collects channel data 2 at the previous historical time. If the change between channel data 1 and channel data 2 is not much, it can be determined that the handheld ultrasound probe is not used for scanning imaging.

[0076] In some optional implementations, the above step S4021 "determining whether the handheld ultrasound probe is used for scanning imaging based on changes between channel data at different times" may include the following steps A1 to A2.

[0077] Step A1, determining a first similarity between current channel data and historical channel data; the historical channel data is channel data collected before the current channel data.

[0078] In this embodiment, the channel data collected by the handheld ultrasonic probe at the current moment is referred to as current channel data, and the channel data collected by the handheld ultrasonic probe at a historical moment is referred to as historical channel data. It can be understood that the historical moment is a moment before the current moment, that is, the historical channel data is the channel data collected before the current channel data. For example, the historical channel data is the channel data collected at the previous moment of the current moment, that is, the historical channel data and the current channel data are two adjacent channel data collected in sequence.

[0079] Among them, the similarity between the current channel data and the historical channel data is used to determine whether the channel data has changed. For the convenience of description, the similarity between the current channel data and the historical channel data is called the first similarity. For example, the current channel data C(n) is the channel data collected at the nth moment, and the historical channel data C(n-1) is the channel data collected at the n-1th moment, then the first similarity between the two can be expressed as: Sim1(C(n), C(n-1)). Among them, the first similarity can be determined based on the distance between the current channel data C(n) and the historical channel data C(n-1), or the correlation between the current channel data C(n) and the historical channel data C(n-1) can be determined, and the first similarity is determined based on the size of the correlation between the two. This embodiment does not limit the process of determining the first similarity.

[0080] Step A2: when the first similarity is greater than a first threshold, determining that the handheld ultrasound probe is not used for scanning imaging.

[0081] In this embodiment, a first threshold of the similarity can be set in advance. If the first similarity is less than the first threshold, it means that the change between the current channel data and the historical channel data is large, and the user is most likely using the handheld ultrasound probe. Therefore, it can be determined that the handheld ultrasound probe is used for scanning and imaging. On the contrary, if the first similarity is greater than the first threshold, it means that the change between the current channel data and the historical channel data is not large, and the user is most likely not using the handheld ultrasound probe. Therefore, it can be determined that the handheld ultrasound probe is not used for scanning and imaging.

[0082] If the first similarity is equal to the first threshold, it can be considered that the handheld ultrasound probe is not used for scanning imaging at this time, or it can also be considered that the handheld ultrasound probe is used for scanning imaging at this time, which is not limited in this embodiment.

[0083] This embodiment uses the first similarity between the current channel data and the historical channel data to simply and quickly determine the change of the channel data, and further determine whether the handheld ultrasound probe is used for scanning imaging, and the implementation method is simple.

[0084] In addition, since the handheld ultrasound probe has multiple channels, the more channels the handheld ultrasound probe uses, the larger the amount of channel data it collects, the more complicated the process of calculating the above-mentioned first similarity is, and more computing resources are required; especially when the method is executed by the controller 112 of the handheld ultrasound probe, since the processing capacity of the controller 112 is limited, it is more suitable for the case where the number of channels is small to judge whether the handheld ultrasound probe is used for scanning imaging according to the changes in the channel data at different times. Optionally, the above-mentioned step S4021 "Judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between the channel data at different times" can specifically include: when the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode, judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between the channel data at different times.

[0085] In this embodiment, since in the PW mode or M mode, generally fewer channels are used and the channel data is relatively small, while in the B mode or C mode, generally more channels are used and the channel data is too large, if the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode, it can be determined that channel data with a smaller data volume can be collected at this time, so at this time, it can be determined whether the handheld ultrasound probe is used for scanning imaging based on the changes between the channel data at different times. For example, if the handheld ultrasound probe includes the PW mode or the M mode, the above steps A1 to A2 can be performed.

[0086] For example, the current imaging mode of the handheld ultrasound probe can be determined in advance, and it can be determined whether the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode. After determining that the current imaging mode includes the PW mode or the M mode, it can be determined whether the handheld ultrasound probe is used for scanning imaging based on the changes between the channel data at different times.

[0087] It can be understood that the handheld ultrasound probe includes PW mode or M mode, which means that the handheld ultrasound probe can currently be in PW mode or M mode, or in a composite mode including PW mode or M mode. For example, the handheld ultrasound probe can be in B+PW mode or B+M mode, etc.

[0088] Step S403: When the handheld ultrasound probe is not used for scanning and imaging, the handheld ultrasound probe is adjusted to a low power consumption state.

[0089] For details, please see Figure 3 Step S303 of the illustrated embodiment will not be described in detail here.

[0090] The power consumption control method provided in this embodiment can determine whether the handheld ultrasound probe is used for scanning and imaging according to the changes in channel data at different times. This method can make a judgment after acquiring the channel data, and can simply and quickly determine whether the handheld ultrasound probe is used for scanning and imaging.

[0091] In this embodiment, a power consumption control method is provided, which can be used for a handheld ultrasound probe and / or a host computer of the portable ultrasound device, for example, can be used for a controller 112 of the handheld ultrasound probe. Figure 5 is a flow chart of a power consumption control method according to an embodiment of the present invention. Figure 5 As shown, the process includes the following steps.

[0092] Step S501: acquiring imaging data collected by a handheld ultrasound probe.

[0093] For details, please see Figure 3 Step S301 of the illustrated embodiment will not be described in detail here.

[0094] Step S502: determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data.

[0095] In this embodiment, the imaging data includes image data determined based on the channel data; for example, the above step S501 may specifically include: acquiring image data acquired by the handheld ultrasound probe; for example, after the handheld ultrasound probe acquires the channel data, corresponding image data may be generated based on the channel data. In this embodiment, whether the handheld ultrasound probe is used for scanning imaging may be determined based on the image data.

[0096] Specifically, the above step S502 of "determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data" may include the following step S5021.

[0097] Step S5021, judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between different frames of image data.

[0098] In this embodiment, the handheld ultrasonic probe can collect channel data at a certain moment at intervals, and the image data of the corresponding frame can be obtained based on the channel data. Therefore, during the operation of the handheld ultrasonic probe, image data at different moments, that is, image data of different frames, can be obtained; if the user uses the handheld ultrasonic probe for scanning imaging, it will generally cause the collected image data to change. For example, when using the handheld ultrasonic probe, the user will operate the handheld ultrasonic probe to move on the object (for example, the human body) until the desired image appears on the display of the host computer. In the process of moving the handheld ultrasonic probe, the collected image data is changing; if the user is not currently using the handheld ultrasonic probe, that is, the handheld ultrasonic probe is not currently used for scanning imaging, the image data collected by the handheld ultrasonic probe generally does not change much. Therefore, based on the changes in the image data of different frames, it can be determined whether the handheld ultrasonic probe is used for scanning imaging.

[0099] Specifically, if the changes in different frames of image data are not significant, it can be considered that the handheld ultrasound probe is not currently used for scanning imaging. For example, the handheld ultrasound probe collects a frame of image data a at the current moment and another frame of image data b at the previous historical moment. If the changes between image data a and image data b are not significant, it can be determined that the handheld ultrasound probe is not currently used for scanning imaging.

[0100] In some optional implementations, the above step S5021 "determining whether the handheld ultrasound probe is used for scanning imaging based on changes between different frames of image data" may include the following steps B1 to B2.

[0101] Step B1, determining a second similarity between the current frame image data and the historical frame image data.

[0102] In this embodiment, a frame of image data collected by the handheld ultrasound probe at the current moment is referred to as current frame image data, and a frame of image data collected by the handheld ultrasound probe at a historical moment is referred to as historical frame image data. It can be understood that the historical moment is a moment before the current moment, that is, the historical frame image data is image data collected before the current frame image data. For example, the historical frame image data is image data collected at the previous moment of the current moment, that is, the historical frame image data and the current frame image data are two adjacent frames of image data collected in sequence.

[0103] Among them, the similarity between the current frame image data and the historical frame image data is used to determine whether the image data has changed. For the convenience of description, the similarity between the current frame image data and the historical frame image data is called the second similarity. For example, the current frame image data P(n) is the image data collected at the nth moment, and the historical frame image data P(n-1) is the image data collected at the n-1th moment, then the second similarity between the two can be expressed as: Sim2(P(n), P(n-1)). Among them, the second similarity can be determined based on the distance between the current frame image data P(n) and the historical frame image data P(n-1), or the second similarity between the two can be determined based on the SAD (Sum of Absolute Differences) algorithm. This embodiment does not limit the process of determining the second similarity.

[0104] For example, the second similarity determined based on the SAD algorithm can be expressed as:

[0105] Sim2(P(n),P(n-1))=sum(abs(P(n)-P(n-1))) (1)

[0106] Among them, sum() represents the sum function, and abs() represents the absolute value function.

[0107] Step B2: when the second similarity is greater than a second threshold, determining that the handheld ultrasound probe is not used for scanning imaging.

[0108] In this embodiment, a second threshold of the similarity can be set in advance. If the second similarity is less than the second threshold, it means that the change between the current frame image data and the historical frame image data is large, and the user is most likely using the handheld ultrasound probe. Therefore, it can be determined that the handheld ultrasound probe is used for scanning and imaging. On the contrary, if the second similarity is greater than the second threshold, it means that the change between the current frame image data and the historical frame image data is not large, and the user is most likely not using the handheld ultrasound probe. At this time, it can be determined that the handheld ultrasound probe is not used for scanning and imaging.

[0109] If the second similarity is equal to the second threshold, it can be considered that the handheld ultrasound probe is not used for scanning imaging at this time, or it can also be considered that the handheld ultrasound probe is used for scanning imaging at this time, which is not limited in this embodiment.

[0110] Since image data is two-dimensional data, it generally contains more information. This embodiment uses the second similarity between the current frame image data and the historical frame image data to more accurately determine the change in the image data, and then determine whether the handheld ultrasound probe is used for scanning imaging. The implementation method is simple and reliable.

[0111] In addition, since the image data is two-dimensional data, especially in the B mode or C mode, image data containing more information can be generated, and the similarity between two frames of image data can be judged more accurately, thereby being able to more accurately represent the changes in the image data. Optionally, the above step S5021 "determining whether the handheld ultrasound probe is used for scanning imaging based on the changes between different frames of image data" can specifically include: when the current imaging mode of the handheld ultrasound probe includes the B mode or the C mode, determining whether the handheld ultrasound probe is used for scanning imaging based on the changes between different frames of image data.

[0112] In this embodiment, if the current imaging mode of the handheld ultrasound probe includes the B mode or the C mode, it can be determined that relatively complete image data can be generated at this time, so at this time, it can be determined whether the handheld ultrasound probe is used for scanning imaging based on the changes between different frames of image data. For example, if the handheld ultrasound probe includes the B mode or the C mode, the above steps B1 to B2 can be performed.

[0113] For example, the current imaging mode of the handheld ultrasound probe can be determined in advance, and it can be determined whether the current imaging mode of the handheld ultrasound probe includes B mode or C mode. After determining that the current imaging mode includes B mode or C mode, it can be determined whether the handheld ultrasound probe is used for scanning imaging based on the changes between different frames of image data.

[0114] It can be understood that the handheld ultrasound probe includes B mode or C mode, which means that the handheld ultrasound probe can currently be in B mode or C mode, or in a composite mode including B mode or C mode. For example, the handheld ultrasound probe can be in B+PW mode or B+C mode, etc.

[0115] In this embodiment, the method provided in this embodiment can be executed by the controller 112 of the handheld ultrasonic probe, that is, the controller 112 determines the change of different frame image data to determine whether the handheld ultrasonic probe is used for scanning and imaging; but since the processing power of the controller 112 is generally limited, the method provided in this embodiment can be executed by the host computer, that is, the host computer determines the change of different frame image data to determine whether the handheld ultrasonic probe is used for scanning and imaging, and when the handheld ultrasonic probe is not used for scanning and imaging, the handheld ultrasonic probe is controlled to enter a low power consumption state.

[0116] Step S503: When the handheld ultrasound probe is not used for scanning and imaging, the handheld ultrasound probe is adjusted to a low power consumption state.

[0117] For details, please see Figure 3 Step S303 of the illustrated embodiment will not be described in detail here.

[0118] The power consumption control method provided in this embodiment can determine whether the handheld ultrasound probe is used for scanning imaging according to the changes in image data of different frames. This method can use image data containing more information for judgment and can more accurately determine whether the handheld ultrasound probe is used for scanning imaging.

[0119] In this embodiment, a power consumption control method is provided, which can be used for a handheld ultrasound probe and / or a host computer of the portable ultrasound device, for example, can be used for a controller 112 of the handheld ultrasound probe. Figure 6 is a flow chart of a power consumption control method according to an embodiment of the present invention. Figure 6 As shown, the process includes the following steps.

[0120] Step S601: acquiring imaging data collected by a handheld ultrasound probe.

[0121] For details, please see Figure 3 Step S301 of the illustrated embodiment will not be described in detail here.

[0122] Step S602: determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data.

[0123] In this embodiment, the imaging data includes image data determined based on channel data. For example, the above step S601 may specifically include: acquiring image data acquired by a handheld ultrasound probe; for example, after the handheld ultrasound probe acquires channel data, corresponding image data may be generated based on the channel data. In this embodiment, whether the handheld ultrasound probe is used for scanning imaging may be determined based on the image data.

[0124] Specifically, the above step S602 of "determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in imaging data" may include the following step S6021.

[0125] Step S6021, judging whether the handheld ultrasound probe is used for scanning imaging according to the difference between images of different depths in the current frame image data.

[0126] In this embodiment, the handheld ultrasound probe can collect channel data at a certain time every certain period of time, and image data of the corresponding frame can be obtained based on the channel data. The image data is generally a cross-sectional image of an object, which contains information of different depths of the object; for example, the image data is two-dimensional image data, and each row of data can represent the imaging situation of the corresponding depth, and different rows of image data correspond to different depths.

[0127] If the user uses the handheld ultrasonic probe for scanning and imaging, the image data collected is relatively consistent as a whole, that is, the difference between images at different depths is not large; when the handheld ultrasonic probe is in an unloaded state, that is, when the handheld ultrasonic probe does not contact the object to be scanned, there is no sound wave propagation medium on the probe surface of the handheld ultrasonic probe, and it is in high impedance, resulting in multiple strong reflections of the ultrasonic wave in the matching layer being received by the receiving module of the handheld ultrasonic probe, thereby showing one or more layers of highlight areas (generally in the shape of strips or arcs) in the near field of the image, that is, the brightness of the shallower part of the area is higher, and this part of the area is generally called the incipient layer; while the rest of the deeper part of the area is generally black, or there are only some white granular noises. Therefore, when the handheld ultrasonic probe is in an unloaded state, there is a large difference between the image data of the shallower part of the image data and the image data of the deeper part of the image data, so the difference between images of different depths can also determine whether the handheld ultrasonic probe is used for scanning and imaging.

[0128] Specifically, a frame of image data collected by the handheld ultrasound probe at the current moment is called current frame image data. By using the difference between different depth images in the current frame image data, it can be determined whether the handheld ultrasound probe is used for scanning imaging at the current moment.

[0129] Among them, since the handheld ultrasound probe is more likely to present a bright area of ​​a bright bar or bright arc when it is unloaded when it is in the B mode, when the handheld ultrasound probe is in the B mode, it can be judged whether the handheld ultrasound probe is used for scanning imaging according to the difference between images of different depths in the current frame image data. Specifically, the above step S6021 "Judging whether the handheld ultrasound probe is used for scanning imaging according to the difference between images of different depths in the current frame image data" may include: when the current imaging mode of the handheld ultrasound probe includes the B mode, judging whether the handheld ultrasound probe is used for scanning imaging according to the difference between images of different depths in the current frame image data.

[0130] In this embodiment, if the current imaging mode of the handheld ultrasound probe includes the B mode, it can be determined that the handheld ultrasound probe can collect image data with bright bars or bright arcs when it is unloaded. Therefore, at this time, it can be judged whether the handheld ultrasound probe is unloaded based on the difference between images of different depths in the current frame image data, and then it can be judged whether the handheld ultrasound probe is used for scanning imaging.

[0131] For example, the current imaging mode of the handheld ultrasound probe can be determined in advance, and it can be determined whether the current imaging mode of the handheld ultrasound probe includes the B mode. After determining that the current imaging mode includes the B mode, it can be determined whether the handheld ultrasound probe is used for scanning imaging based on the difference between images of different depths in the current frame image data.

[0132] It can be understood that the handheld ultrasound probe includes the B mode, which means that the handheld ultrasound probe can currently be in the B mode or in a composite mode including the B mode. For example, the handheld ultrasound probe can be in the B+PW mode, the B+C mode, or the B+C+PW mode, etc.

[0133] In some optional implementations, the above step S6021 "determining whether the handheld ultrasound probe is used for scanning imaging based on the difference between images at different depths in the current frame image data" may include the following steps C1 to C3.

[0134] Step C1, dividing the current frame image data into a plurality of sub-images corresponding to different depth ranges.

[0135] In this embodiment, after the current frame image data is acquired, the current frame image data is divided into a plurality of sub-images along the depth, and each sub-image corresponds to a depth range.

[0136] For example, each row of the current image data corresponds to a depth. Figure 7 As shown, each row of the current image data 701 corresponds to a depth, and the depth of the current image data 701 changes from shallow to deep from top to bottom. Multiple rows of adjacent data in the current image data 701 can be used as a sub-image, and the current image data 701 can be divided to determine multiple sub-images 702. Figure 7 Taking the current image data 701 being divided into five sub-images 702 as an example, the five sub-images 702 are respectively p1, p2, p3, p4, and p5 in order of depth from shallow to deep.

[0137] Step C2: determining a third similarity between two of the sub-images.

[0138] In this embodiment, the similarity between two sub-images is called the third similarity; it can be understood that the current image data can be divided into more than two sub-images, and the third similarity between any two sub-images can be determined. In order to facilitate the subsequent calculation of the third similarity between the two sub-images, the size of each sub-image can be the same.

[0139] For example, the current frame image data is divided into k sub-images p1, p2, ..., p k , then the i-th sub-image p i With the j-th sub-image p j The third similarity between can be expressed as: Sim3(p i ,p j ). Among them, it can be based on the i-th sub-image p i With the j-th sub-image p jThe third similarity may be determined based on the distance between the two, or the third similarity between the two may be determined based on a SAD algorithm. This embodiment does not limit the process of determining the third similarity.

[0140] Step C3: when the third similarity between the two sub-images is less than the third threshold, determine that the handheld ultrasound probe is not used for scanning imaging.

[0141] In this embodiment, since the current image data can be divided into more than two sub-images, as long as the third similarity between two of the sub-images is less than the third threshold, it can be determined that there is a highlight area with relatively large brightness in the current image data, that is, the handheld ultrasound probe is in an unloaded state and is not used for scanning imaging.

[0142] The third similarity between any two sub-images may be determined, or, in order to reduce the amount of processing, only the third similarity between two adjacent sub-images may be determined. Optionally, the above step C2 "determining the third similarity between two sub-images" may include the following step C21.

[0143] Step C21 , determining the third similarity between two adjacent sub-images in order from shallow to deep depth.

[0144] In this embodiment, since the highlight area is generally at the shallowest depth when the handheld ultrasonic probe is unloaded, the third similarity between two adjacent sub-images is determined in order from shallow to deep depth, so that it can be determined more quickly whether there is a highlight area at the shallowest depth, thereby determining more quickly whether the handheld ultrasonic probe is unloaded.

[0145] When it is determined that the third similarity between two sub-images is less than the third threshold, it is not necessary to determine the third similarity between other two sub-images. Figure 7 As shown, in the order from shallow to deep, the five sub-images are p1, p2, p3, p4, and p5, and accordingly, the third similarity between sub-image p1 and sub-image p2, the third similarity between sub-image p2 and sub-image p3, the third similarity between sub-image p3 and sub-image p4, and the third similarity between sub-image p4 and sub-image p5 are determined in turn. If the third similarity between sub-image p2 and sub-image p3 is less than the third threshold, it can be explained that the handheld ultrasonic probe is unloaded, and there is no need to calculate the third similarity between sub-image p3 and sub-image p4, and the third similarity between sub-image p4 and sub-image p5, thereby reducing the processing amount and improving the processing speed.

[0146] Step S603: When the handheld ultrasound probe is not used for scanning and imaging, the handheld ultrasound probe is adjusted to a low power consumption state.

[0147] For details, please see Figure 3 Step S303 of the illustrated embodiment will not be described in detail here.

[0148] In this embodiment, as described above, if the current imaging mode of the handheld ultrasound probe includes the B mode, it is possible to determine whether the handheld ultrasound probe is used for scanning imaging based on the difference between images of different depths in the current frame image data. For example, the above steps C1 to C3 can be performed. Figure 5 It can be seen from the embodiment shown that if the current imaging mode of the handheld ultrasound probe includes the B mode, it is also possible to determine whether the handheld ultrasound probe is used for scanning imaging based on the changes between different frame image data, for example, the above steps B1 to B2 can be performed. Therefore, it is possible to comprehensively determine whether the handheld ultrasound probe is used for scanning imaging based on the differences between different depth images in the current frame image data and the changes between different frame image data.

[0149] For example, if the current imaging mode of the handheld ultrasound probe includes the B mode, it is possible to first determine whether the handheld ultrasound probe is used for scanning imaging based on the difference between images of different depths in the current frame image data; if it is determined that the handheld ultrasound probe is used for scanning imaging based on this, it is possible to determine whether the handheld ultrasound probe is used for scanning imaging again based on the changes in the different frame image data; if it is determined that the handheld ultrasound probe is not used for scanning imaging at this time, the handheld ultrasound probe can be adjusted to a low power consumption state. Alternatively, the handheld ultrasound probe is adjusted to a low power consumption state only when it is determined that the handheld ultrasound probe is not used for scanning imaging based on the difference between images of different depths in the current frame image data and the changes in the different frame image data.

[0150] The power consumption control method provided in this embodiment can determine whether the handheld ultrasound probe is unloaded based on the difference between images of different depths in the current frame image data, and further determine whether it is used for scanning imaging. The method is simple to implement and has high accuracy.

[0151] In this embodiment, a power consumption control method is provided, which can be used for the handheld ultrasonic probe and / or the host computer of the above-mentioned portable ultrasonic device, for example, the controller 112 of the handheld ultrasonic probe, etc. Before determining whether the handheld ultrasonic probe is used for scanning imaging, the current imaging mode of the handheld ultrasonic probe is first determined to determine whether the handheld ultrasonic probe is used for scanning imaging in an appropriate manner. Among them, since when the handheld ultrasonic probe is in PW mode or M mode, it can be simply and quickly determined based on the channel data, so it can be preferentially determined whether the current imaging mode of the handheld ultrasonic probe includes PW mode or M mode; or, since in most cases, the handheld ultrasonic probe works in B mode or a composite mode including B mode, it can also be preferentially determined whether the current imaging mode of the handheld ultrasonic probe includes B mode.

[0152] Figure 8 is a flowchart of a power consumption control method according to an embodiment of the present invention, Figure 8 A flow chart showing a process of preferentially determining whether the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode. Figure 8 As shown, the process includes the following steps.

[0153] Step S801, determining the current imaging mode of the handheld ultrasound probe.

[0154] The current imaging mode of the handheld ultrasound probe may be determined by the host computer.

[0155] Step S802, determine whether it includes PW mode or M mode; if yes, proceed to step S803. In addition, since there is a composite mode, the subsequent step S805 can be executed regardless of whether it includes PW mode or M mode.

[0156] Step S803: determining a first similarity between the current channel data and the historical channel data.

[0157] Among them, the current channel data and the historical channel data need to be acquired before step S803. It is understandable that the channel data and the image data can be acquired in advance before step S802, or the channel data can be acquired after determining in step S802 that the current imaging mode includes the PW mode or the M mode (at this time, the image data may not be acquired), which is not limited in this embodiment.

[0158] Step S804, determining whether the first similarity is greater than a first threshold; if so, proceeding to step S812, otherwise, re-execute the above step S803 at the next moment, or re-execute the above step S801 after switching the imaging mode.

[0159] Step S805, determine whether the B mode is included; if so, proceed to step S806. And, whether the B mode is included or not, the subsequent step S809 can be executed.

[0160] Step S806: dividing the current frame image data into a plurality of sub-images corresponding to different depth ranges.

[0161] Step S807: determining a third similarity between any two adjacent sub-images.

[0162] Step S808, determine whether the third similarity is less than a third threshold; if so, proceed to step S812, otherwise proceed to step S810.

[0163] In which, when the third similarity is not less than the third threshold, the above step S806 may be re-executed after new image data is acquired, or the above step S801 may be re-executed after the imaging mode is switched.

[0164] Step S809, determine whether it includes C mode; if so, proceed to step S810.

[0165] If the current imaging mode is not any of the PW mode, M mode, B mode and C mode, the process can be terminated at this time. In addition, if the imaging mode only includes the PW mode, M mode, B mode and C mode, when the current imaging mode does not include the PW mode, M mode and B mode, it can be directly considered that the current imaging mode includes the C mode, and the above step S809 does not need to be performed.

[0166] Step S810, determining a second similarity between the current frame image data and the historical frame image data.

[0167] Step S811, determine whether the second similarity is greater than the second threshold; if so, proceed to step S812, otherwise the above step S810 can be re-executed at the next moment, or after switching the imaging mode, the above step S801 can be re-executed.

[0168] The first threshold and the second threshold may be greater than 0.5; for example, the first threshold and the second threshold may be the same. The third threshold may be less than 0.5.

[0169] Step S812: adjusting the handheld ultrasound probe to a low power consumption state.

[0170] In this embodiment, if the current imaging mode is a composite mode, multiple methods can be used simultaneously to determine whether the handheld ultrasound probe is currently used for scanning imaging. In addition, different components can also use corresponding judgment methods for judgment. For example, if the current imaging mode is B mode + PW mode, after the host computer determines that the current imaging mode includes the PW mode (for example, after the above step 802), the controller 112 of the handheld ultrasound probe executes subsequent steps S803 to S804; and, after the host computer determines that the current imaging mode includes the B mode (for example, after the above step 805), the host computer can continue to execute subsequent steps S806 to S808.

[0171] The power consumption control method provided in this embodiment can adaptively determine the state of the handheld ultrasound probe in a suitable manner based on the current imaging mode of the handheld ultrasound probe, thereby being able to quickly and accurately determine whether the handheld ultrasound probe is currently used for scanning imaging.

[0172] In this embodiment, a power consumption control device is also provided, which is used to implement the above-mentioned embodiments and preferred implementation modes, and the descriptions that have been made will not be repeated. As used below, the term "module" can implement a combination of software and / or hardware of a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0173] This embodiment provides a power consumption control device, such as Fig. 9 As shown, including:

[0174] The data acquisition module 901 is used to acquire imaging data collected by a handheld ultrasound probe;

[0175] A determination module 902 is used to determine whether the handheld ultrasound probe is used for scanning imaging according to the difference of the imaging data;

[0176] The state adjustment module 903 is used to adjust the handheld ultrasound probe to a low power consumption state when the handheld ultrasound probe is not used for scanning imaging.

[0177] In some optional embodiments, the imaging data includes channel data used for imaging;

[0178] The determining module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to the difference of the imaging data, including:

[0179] According to the changes between the channel data at different moments, it is determined whether the handheld ultrasonic probe is used for scanning imaging.

[0180] In some optional implementations, the determination module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to changes between channel data at different times, including:

[0181] Determine a first similarity between current channel data and historical channel data; the historical channel data is channel data collected before the current channel data;

[0182] When the first similarity is greater than a first threshold, it is determined that the handheld ultrasound probe is not used for scanning imaging.

[0183] In some optional implementations, the determination module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to changes between channel data at different times, including:

[0184] When the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to changes between channel data at different moments.

[0185] In some optional embodiments, the imaging data includes image data determined based on channel data;

[0186] The determining module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to the difference of the imaging data, including:

[0187] Whether the handheld ultrasound probe is used for scanning imaging is determined according to changes between different frames of image data.

[0188] In some optional implementations, the determination module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to changes between different frames of image data, including:

[0189] Determining a second similarity between the current frame image data and the historical frame image data;

[0190] When the second similarity is greater than a second threshold, it is determined that the handheld ultrasound probe is not used for scanning imaging.

[0191] In some optional implementations, the determination module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to changes between different frames of image data, including:

[0192] In the case that the current imaging mode of the handheld ultrasound probe includes the B mode or the C mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to the changes between different frames of image data.

[0193] In some optional embodiments, the imaging data includes image data determined based on channel data;

[0194] The determining module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to the difference of the imaging data, including:

[0195] Whether the handheld ultrasound probe is used for scanning imaging is determined according to the difference between images at different depths in the current frame image data.

[0196] In some optional implementations, the determination module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to the difference between different depth images in the current frame image data, including:

[0197] Divide the current frame image data into a plurality of sub-images corresponding to different depth ranges;

[0198] determining a third similarity between two of the sub-images;

[0199] When the third similarity between the two sub-images is smaller than a third threshold, it is determined that the handheld ultrasound probe is not used for scanning imaging.

[0200] In some optional implementations, the determining module 902 determines the third similarity between two of the sub-images, including:

[0201] The third similarities between two adjacent sub-images are determined in sequence from shallow to deep depth.

[0202] In some optional implementations, the determination module 902 determines whether the handheld ultrasound probe is used for scanning imaging according to the difference between different depth images in the current frame image data, including:

[0203] In the case that the current imaging mode of the handheld ultrasound probe includes the B mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to the difference between images of different depths in the current frame image data.

[0204] In some optional implementations, the device further includes a determination module, configured to:

[0205] Prioritizing determining whether the current imaging mode of the handheld ultrasound probe includes a PW mode or an M mode;

[0206] Alternatively, it is preferentially determined whether the current imaging mode of the handheld ultrasound probe includes the B mode.

[0207] In some optional implementations, the state adjustment module 903 adjusts the handheld ultrasound probe to a low power consumption state, including:

[0208] The scanning parameters and / or imaging parameters of the handheld ultrasound probe are reduced to non-zero values.

[0209] The further functional description of each of the above modules and units is the same as that of the above corresponding embodiments and will not be repeated here.

[0210] The power consumption control device in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.

[0211] The embodiment of the present invention also provides an electronic device having the above Fig. 9 The power consumption control device shown in the figure. The electronic device may be a handheld ultrasound probe or a host computer of a portable ultrasound device; for example, the electronic device is a controller 112 of the handheld ultrasound probe.

[0212] See also Fig.10 , Fig.10 is a schematic diagram of the structure of an electronic device provided by an optional embodiment of the present invention, such as Fig.10 As shown, the electronic device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. The various components are connected to each other using different buses for communication, and can be installed on a common mainboard or installed in other ways as needed. The processor can process instructions executed in the electronic device, including instructions stored in or on the memory to display graphical information of the GUI on an external input / output device (such as a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple electronic devices can be connected, and each device provides some necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Fig.10 A processor 10 is taken as an example.

[0213] The processor 10 may be a central processing unit, a network processor or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be a dedicated integrated circuit, a programmable logic device or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic or any combination thereof.

[0214] The memory 20 stores instructions executable by at least one processor 10, so that the at least one processor 10 executes the method shown in the above embodiment.

[0215] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created according to the use of the electronic device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some optional embodiments, the memory 20 may optionally include a memory remotely arranged relative to the processor 10, and these remote memories may be connected to the electronic device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0216] The memory 20 may include a volatile memory, such as a random access memory; the memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid state drive; the memory 20 may also include a combination of the above types of memory.

[0217] The electronic device further includes an input device 30 and an output device 40. The processor 10, the memory 20, the input device 30 and the output device 40 may be connected via a bus or other means. Fig.10 The example of connecting through bus is taken in the following.

[0218] The input device 30 can receive input digital or character information, and generate key signal input related to the user settings and function control of the electronic device, such as a touch screen, a keypad, a mouse, a track pad, a touch pad, an indicator rod, one or more mouse buttons, a trackball, a joystick, etc. The output device 40 may include a display device, an auxiliary lighting device (e.g., an LED) and a tactile feedback device (e.g., a vibration motor), etc. The above-mentioned display device includes but is not limited to a liquid crystal display, a light emitting diode, a display and a plasma display. In some optional embodiments, the display device can be a touch screen.

[0219] The embodiment of the present invention also provides a portable ultrasound device, which includes: a handheld ultrasound probe and a host computer; the structure of the portable ultrasound device can be seen in Figure 1 and Figure 2 The handheld ultrasonic probe and / or the host computer are used to execute the power consumption control method provided in the above embodiment.

[0220] It can be understood that the power consumption control method can be executed only by the handheld ultrasound probe, or only by the host computer, or both the handheld ultrasound probe and the host computer can perform power consumption control. For example, if the current imaging mode is B mode + PW mode, the handheld ultrasound probe can determine whether the handheld ultrasound probe is used for scanning imaging based on the changes between channel data at different times, and the host computer can determine whether the handheld ultrasound probe is used for scanning imaging based on the differences between images of different depths in the current frame image data.

[0221] In some optional implementations, when the handheld ultrasonic probe is not used for scanning and imaging, the host computer sends a low-power control instruction to the handheld ultrasonic probe to control the handheld ultrasonic probe to adjust to a low-power state. In this embodiment, the host computer generally needs to control the power consumption of the handheld ultrasonic probe, that is, the host computer needs to control the handheld ultrasonic probe to enter a low-power state. Specifically, if it is currently determined that the handheld ultrasonic probe is not used for scanning and imaging, the host computer can send a low-power control instruction to the handheld ultrasonic probe, and the handheld ultrasonic probe enters a low-power state after receiving the low-power control instruction.

[0222] The embodiment of the present invention also provides a computer-readable storage medium. The method according to the embodiment of the present invention can be implemented in hardware, firmware, or can be implemented as a computer code that can be recorded in a storage medium, or can be implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and will be stored in a local storage medium through a network download, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state hard disk, etc.; further, the storage medium can also include a combination of the above types of memories. It can be understood that a computer, a processor, a microprocessor controller, or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor, or hardware, the method shown in the above embodiment is implemented.

[0223] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A power consumption control method, characterized in that: The method comprises: Acquire imaging data collected by a handheld ultrasound probe; Determining whether the handheld ultrasound probe is used for scanning imaging according to the difference in the imaging data; When the handheld ultrasound probe is not used for scanning imaging, the handheld ultrasound probe is adjusted to a low power consumption state.

2. The method according to claim 1, characterized in that The imaging data includes channel data used for imaging; The determining, according to the difference in the imaging data, whether the handheld ultrasound probe is used for scanning imaging comprises: According to the changes between the channel data at different moments, it is determined whether the handheld ultrasonic probe is used for scanning imaging.

3. The method according to claim 2, characterized in that The step of judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between the channel data at different times includes: Determine a first similarity between current channel data and historical channel data; the historical channel data is channel data collected before the current channel data; When the first similarity is greater than a first threshold, it is determined that the handheld ultrasound probe is not used for scanning imaging.

4. The method according to claim 2, characterized in that: The step of judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between the channel data at different times includes: When the current imaging mode of the handheld ultrasound probe includes the PW mode or the M mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to changes between channel data at different moments.

5. The method according to claim 1, characterized in that: The imaging data includes image data determined based on the channel data; The determining, according to the difference in the imaging data, whether the handheld ultrasound probe is used for scanning imaging comprises: Whether the handheld ultrasound probe is used for scanning imaging is determined according to changes between different frames of image data.

6. The method according to claim 5, characterized in that The step of judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between different frames of image data includes: Determining a second similarity between the current frame image data and the historical frame image data; When the second similarity is greater than a second threshold, it is determined that the handheld ultrasound probe is not used for scanning imaging.

7. The method according to claim 5, characterized in that The step of judging whether the handheld ultrasound probe is used for scanning imaging according to the changes between different frames of image data includes: In the case that the current imaging mode of the handheld ultrasound probe includes the B mode or the C mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to the changes between different frames of image data.

8. The method according to claim 1, characterized in that: The imaging data includes image data determined based on the channel data; The determining, according to the difference in the imaging data, whether the handheld ultrasound probe is used for scanning imaging comprises: Whether the handheld ultrasound probe is used for scanning imaging is determined according to the difference between images at different depths in the current frame image data.

9. The method according to claim 8, characterized in that The step of judging whether the handheld ultrasound probe is used for scanning imaging according to the difference between images at different depths in the current frame image data includes: Divide the current frame image data into a plurality of sub-images corresponding to different depth ranges; determining a third similarity between two of the sub-images; When the third similarity between the two sub-images is smaller than a third threshold, it is determined that the handheld ultrasound probe is not used for scanning imaging.

10. The method according to claim 9, characterized in that The determining of a third similarity between two of the sub-images comprises: The third similarities between two adjacent sub-images are determined in sequence from shallow to deep depth.

11. The method according to claim 8, characterized in that The step of judging whether the handheld ultrasound probe is used for scanning imaging according to the difference between images at different depths in the current frame image data includes: In the case that the current imaging mode of the handheld ultrasound probe includes the B mode, it is determined whether the handheld ultrasound probe is used for scanning imaging according to the difference between images of different depths in the current frame image data.

12. The method according to claim 4, 7 or 11, characterized in that Also includes: Prioritizing determining whether the current imaging mode of the handheld ultrasound probe includes a PW mode or an M mode; Alternatively, it is preferentially determined whether the current imaging mode of the handheld ultrasound probe includes the B mode.

13. The method according to claim 1, characterized in that The step of adjusting the handheld ultrasound probe to a low power consumption state includes: The scanning parameters and / or imaging parameters of the handheld ultrasound probe are reduced to non-zero values.

14. An electronic device, the electronic device being a handheld ultrasound probe or a host computer of a portable ultrasound device, characterized in that: The electronic device comprises: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the power consumption control method according to any one of claims 1 to 13 by executing the computer instructions.

15. A portable ultrasound device, characterized in that: include: Handheld ultrasound probe and host computer; The handheld ultrasonic probe and / or the host computer are used to execute the power consumption control method described in any one of claims 1 to 13.

16. The portable ultrasound device according to claim 15, characterized in that When the handheld ultrasonic probe is not used for scanning and imaging, the host computer sends a low power consumption control instruction to the handheld ultrasonic probe to control the handheld ultrasonic probe to be adjusted to a low power consumption state.

17. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the power consumption control method according to any one of claims 1 to 13.

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