Ultrasonic image quality and time-space diagram display method and ultrasonic imaging device

Abstract

The present application provides a method for displaying ultrasound image quality and space-time diagrams and an ultrasound imaging device, the method comprising: acquiring ultrasound images collected for a period of time from the uterine region of a target object, and determining the image quality evaluation result of the ultrasound image; determining a region of interest in the ultrasound image, wherein the tissue region corresponding to the region of interest includes tissue that generates peristaltic waves; generating a space-time diagram of the region of interest according to the position of the region of interest in each frame of ultrasound image, the space-time diagram being used to characterize the position change of the region of interest over time; and displaying the image quality evaluation result of at least one frame of the ultrasound image and the corresponding space-time diagram. The scheme of the present application enables doctors to determine the validity of the space-time diagram based on the image quality of the ultrasound image, thereby assisting in the diagnosis of tissue lesions based on the space-time diagram.

Description

Technical Field

[0001] The present application relates to the field of ultrasonic imaging technology, and more specifically to a method for displaying ultrasonic image quality and spatiotemporal diagrams and an ultrasonic imaging device. Background Art

[0002] Endometrial peristaltic waves refer to mechanical waves generated by the peristalsis of the endometrium driven by the contraction of the uterine muscle layer. The frequency, direction, and intensity of peristaltic waves change with the menstrual cycle, thereby assisting sperm transport and embryo implantation, and are one of the important indicators for judging endometrial receptivity. At the same time, the law of uterine peristalsis is affected by uterine diseases, so the study of peristaltic waves also has the potential value of assisting the diagnosis of uterine lesions.

[0003] However, there is currently no objective means to assist in the clinical diagnosis of peristaltic waves. Doctors can only rely on the subjective judgment made by repeated observation of the collected ultrasound films with the naked eye, which is time-consuming, unfriendly, and has poor operator repeatability. The frequency and direction of peristalsis judged by different doctors may not be consistent. An objective tool is urgently needed to assist in the judgment. In addition, the lack of objective auxiliary tools is the main obstacle to further research and application of peristaltic waves. Therefore, the realization of ultrasonic peristaltic wave detection function that can qualitatively and quantitatively analyze peristaltic waves is of great significance and great potential value for establishing a peristaltic wave evaluation standard system and assisting clinical evaluation.

[0004] Currently, there is technology that uses space-time diagrams to display the propagation status of peristaltic waves. However, the frequency of peristaltic waves is generally 2 to 4 times per minute, and it takes 30 seconds to 2 minutes to collect peristaltic wave examinations. This is too long, and it is difficult for patients to hold their breath continuously, and doctors are prone to hand tremors, resulting in poor space-time diagram effects and difficulty in accurately judging peristaltic waves. Summary of the invention

[0005] On the one hand, the present application provides a method for displaying ultrasound image quality and space-time diagram, the method comprising: acquiring ultrasound images collected for a period of time from a uterine region of a target object, and determining an image quality assessment result of the ultrasound image; determining a region of interest in the ultrasound image, wherein the tissue region corresponding to the region of interest includes tissue that generates peristaltic waves; generating a space-time diagram of the region of interest according to the position of the region of interest in each frame of the ultrasound image, the space-time diagram being used to characterize the position change of the region of interest over time; and displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram.

[0006] On the other hand, the present application provides a method for displaying ultrasound image quality and a time-space diagram, the method comprising: controlling an ultrasound probe to transmit a first ultrasound wave to a uterine region of a target object, and receiving an ultrasound echo based on the first ultrasound wave to obtain a first ultrasound echo signal; generating a first ultrasound image in real time according to the first ultrasound echo signal, and determining an image quality evaluation result of the first ultrasound image; determining a region of interest in the first ultrasound image, and generating a time-space diagram of the region of interest according to a position of the region of interest in the first ultrasound image, wherein a tissue region corresponding to the region of interest includes tissue that generates peristaltic waves, and the time-space diagram is used to characterize the position change of the region of interest over time; controlling the ultrasound probe to transmit a second ultrasound wave to the uterine region, and receiving an ultrasound echo based on the second ultrasound wave to obtain a second ultrasound echo signal; generating a second ultrasound image in real time according to the second ultrasound echo signal, determining an image quality evaluation result of the second ultrasound image, and updating the time-space diagram according to the position of the region of interest in the second ultrasound image; and dynamically displaying the image quality evaluation result of the generated ultrasound image and the corresponding time-space diagram.

[0007] On the other hand, the present application provides a method for displaying ultrasound image quality and space-time diagram, the method comprising: acquiring ultrasound images collected within a period of time for a target area of ​​a target object; determining an image quality assessment result of the ultrasound image, and determining a region of interest in the ultrasound image; generating a space-time diagram of the region of interest based on the position of the region of interest in each frame of the ultrasound image, the space-time diagram being used to characterize the position change of the region of interest over time; and displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram.

[0008] On the other hand, the present application provides a method for displaying ultrasound image quality and space-time diagram, the method comprising: acquiring a first ultrasound image in real time for a target area of ​​a target object, determining the image quality of the first ultrasound image, determining a region of interest in the first ultrasound image, and generating a space-time diagram of the region of interest based on the position of the region of interest in the first ultrasound image, the space-time diagram being used to characterize the position change of the region of interest over time; acquiring and obtaining a second ultrasound image for the target area, determining an image quality assessment result of the second ultrasound image, and updating the space-time diagram based on the position of the region of interest in the second ultrasound image; and dynamically displaying the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram.

[0009] On the other hand, the present application provides a method for displaying ultrasound image quality and space-time diagram, the method comprising: acquiring an ultrasound image collected within a period of time for a target area of ​​a target object; determining an image quality assessment result of the ultrasound image; generating a space-time diagram of the ultrasound image, the space-time diagram being used to characterize the position change of each position in the ultrasound image over time; and displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram.

[0010] On the other hand, the present application provides a method for displaying ultrasound image quality and space-time diagram, the method comprising: acquiring a first ultrasound image in real time for a target area of ​​a target object, determining the image quality of the first ultrasound image, and generating a space-time diagram of the first ultrasound image, the space-time diagram being used to characterize the position change of each position of the ultrasound image over time; acquiring and obtaining a second ultrasound image for the target area, determining an image quality assessment result of the second ultrasound image, and updating the space-time diagram according to the second ultrasound image; and dynamically displaying the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram.

[0011] On the other hand, the present application provides an ultrasonic imaging device, which includes an ultrasonic probe, a transmit / receive sequence controller, a processor and a display, wherein: the transmit / receive sequence controller is used to control the ultrasonic probe to transmit ultrasonic waves to a target object, and receive ultrasonic echoes based on the ultrasonic waves to obtain ultrasonic echo signals; the processor is used to execute the above-mentioned method for displaying ultrasonic image quality and space-time diagram based on the ultrasonic echo signal; and the display is used to display the image quality evaluation results of the generated ultrasonic image and the corresponding space-time diagram.

[0012] In yet another aspect of the present application, a storage medium is provided, on which a computer program is stored, and when the computer program is run, the above-mentioned method for displaying ultrasound image quality and space-time diagram is executed.

[0013] According to the method for displaying ultrasound image quality and space-time diagram and the ultrasound imaging device of the embodiment of the present application, a space-time diagram representing the changes over time of each position within the ultrasound image (the region of interest in the ultrasound image, such as the tissue region that produces peristaltic waves) is displayed, and the image quality evaluation result of the ultrasound image is displayed, so that the doctor can determine the validity of the space-time diagram based on the image quality of the ultrasound image, thereby assisting in the diagnosis of tissue lesions based on the space-time diagram. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0015] Figure 1 A schematic block diagram of an exemplary ultrasound measurement device for implementing a method for displaying ultrasound image quality and a spatiotemporal diagram according to an embodiment of the present application is shown.

[0016] Figure 2 A schematic flow chart showing a method for displaying ultrasound image quality and spatiotemporal diagram according to an embodiment of the present application.

[0017] Figure 3 An example of ultrasound image quality and a space-time diagram displayed in a method for displaying ultrasound image quality and a space-time diagram according to an embodiment of the present application is shown.

[0018] Figure 4 An example of a display interface of ultrasound image quality and space-time diagram displayed in a method for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application is shown.

[0019] Figure 5 A schematic flowchart showing a method for displaying ultrasound image quality and spatiotemporal diagram according to another embodiment of the present application.

[0020] Figure 6 An example of ultrasound image quality and space-time diagram displayed in a method for displaying ultrasound image quality and space-time diagram according to another embodiment of the present application is shown.

[0021] Figure 7 An example of a display interface of ultrasound image quality and space-time diagram displayed in a method for displaying ultrasound image quality and space-time diagram according to another embodiment of the present application is shown.

[0022] Figure 8 A schematic flow chart showing a method for displaying ultrasound image quality and spatiotemporal diagram according to yet another embodiment of the present application is shown.

[0023] Fig. 9 A schematic flow chart showing a method for displaying ultrasound image quality and spatiotemporal diagram according to yet another embodiment of the present application.

[0024] Fig.10 A schematic flow chart showing a method for displaying ultrasound image quality and spatiotemporal diagram according to yet another embodiment of the present application is shown.

[0025] Fig.11A schematic flow chart showing a method for displaying ultrasound image quality and spatiotemporal diagram according to yet another embodiment of the present application.

[0026] Fig.12 A schematic block diagram of an ultrasonic imaging device according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present application more obvious, the example embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the example embodiments described herein. Based on the embodiments of the present application described in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0028] First, refer to Figure 1 An exemplary ultrasound measurement device for implementing the ultrasound image quality and the method for displaying the spatiotemporal diagram according to the embodiment of the present application is described.

[0029] Figure 1 FIG. 1 is a schematic structural block diagram of an exemplary ultrasonic measuring device 10 for implementing the ultrasonic image quality and time-space diagram display method of the embodiment of the present application. Figure 1 As shown, the ultrasonic measuring device 10 may include an ultrasonic probe 100, a transmit / receive selection switch 101, a transmit / receive sequence controller 102, a processor 103, a display 104 and a memory 105. The transmit / receive sequence controller 102 can stimulate the ultrasonic probe 100 to transmit ultrasonic waves to the target object (measured object), and can also control the ultrasonic probe 100 to receive ultrasonic echoes returned from the target object, thereby obtaining ultrasonic echo signals / data. The processor 103 processes the ultrasonic echo signals / data to obtain tissue-related parameters and ultrasonic images of the target object. The ultrasonic images obtained by the processor 103 can be stored in the memory 105, and these ultrasonic images can be displayed on the display 104. It should be noted that the target object involved in this application can be a person, or an animal such as a beast, for example, a cat, a dog, a rabbit, etc., which is not specifically limited here.

[0030] In the embodiment of the present application, the display 104 of the aforementioned ultrasonic measuring device 10 may be a touch screen, a liquid crystal display, etc., or may be an independent display device such as a liquid crystal display, a television, etc. independent of the ultrasonic measuring device 10, or may be a display screen on an electronic device such as a mobile phone or a tablet computer.

[0031] In the embodiment of the present application, the memory 105 of the aforementioned ultrasonic measuring device 10 may be a flash memory card, a solid-state memory, a hard disk, etc.

[0032] An embodiment of the present application also provides a computer-readable storage medium, which stores multiple program instructions. After the multiple program instructions are called and executed by the processor 103, some or all of the steps or any combination of the steps in the method for displaying ultrasound image quality and space-time diagram in each embodiment of the present application can be executed.

[0033] In one embodiment, the computer-readable storage medium may be the memory 105, which may be a non-volatile storage medium such as a flash memory card, a solid-state memory, or a hard disk.

[0034] In the embodiment of the present application, the processor 103 of the aforementioned ultrasonic measuring device 10 can be implemented by software, hardware, firmware or a combination thereof, and can use a circuit, a single or multiple application specific integrated circuits (ASICs), a single or multiple general integrated circuits, a single or multiple microprocessors, a single or multiple programmable logic devices, or a combination of the aforementioned circuits or devices, or other suitable circuits or devices, so that the processor 103 can execute the corresponding steps of the method for displaying the ultrasonic image quality and the time-space diagram in each embodiment.

[0035] Combine the following Figures 2 to 11 The method for displaying the ultrasound image quality and the time-space diagram of the present application is described in detail, and the method can be executed by the aforementioned ultrasound measurement device 10.

[0036] Figure 2 FIG. 2 is a schematic flow chart of a method 200 for displaying ultrasound image quality and spatiotemporal graphs according to an embodiment of the present application. Figure 2 As shown, the method 200 for displaying ultrasound image quality and time-space diagram includes the following steps:

[0037] In step S210, ultrasonic images collected from a uterine region of a target object for a period of time are acquired, and image quality assessment results of the ultrasonic images are determined.

[0038] In step S220, a region of interest in the ultrasound image is determined, wherein the tissue region corresponding to the region of interest includes tissue that generates peristaltic waves.

[0039] In step S230, a spatiotemporal graph of the region of interest is generated according to the position of the region of interest in each frame of ultrasound image, and the spatiotemporal graph is used to represent the position change of the region of interest over time.

[0040] In step S240, the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram are displayed.

[0041] In an embodiment of the present application, ultrasound data within a period of time can be collected, and ultrasound images within a period of time can be generated accordingly. For each frame of ultrasound image obtained, the image quality evaluation result of each frame of ultrasound image can be determined. In one example, the quality of each frame of ultrasound image can be judged, or the quality of each frame of ultrasound image can be judged after obtaining ultrasound images within a period of time. In addition, a region of interest can be determined based on at least one frame of ultrasound image, and a spatiotemporal diagram reflecting the position change of the region of interest over time can be generated based on the position of the region of interest in each frame of ultrasound image. In this embodiment, the tissue region corresponding to the region of interest can be a region including tissue that generates peristaltic waves. Therefore, by displaying the generated space-time diagram, the user (such as a doctor) can understand the propagation state of the endometrial peristaltic wave of the current target object (such as a patient) from the space-time diagram; in addition, combined with the image quality information of the displayed ultrasound image, the user can understand which parts of the space-time diagram are more effective (corresponding to the position of the area of ​​interest in the ultrasound image with good image quality) and which parts are likely to be invalid or have poor effects (corresponding to the position of the area of ​​interest in the ultrasound image with poor image quality) based on the image quality information; based on this, the user can mainly analyze the propagation state of the endometrial peristaltic wave of the target object according to the effective parts in the space-time diagram, thereby improving the accuracy of the analysis results, which is conducive to more accurate diagnosis of the disease.

[0042] In an embodiment of the present application, the image quality assessment result of the ultrasound image (also referred to as the quality information of the ultrasound image) may include information related to the quality judgment result of whether the image quality of the ultrasound image meets the preset requirements. That is, when the image quality of the ultrasound image meets the preset requirements, the image quality assessment result of the ultrasound image is one kind of information; when the image quality of the ultrasound image does not meet the preset requirements, the image quality assessment result of the ultrasound image is another kind of information. In one example, when the image quality of a frame of ultrasound image meets the preset requirements, the image quality assessment result of the ultrasound image can be represented as a first identification; when the image quality of a frame of ultrasound image does not meet the preset requirements, the image quality assessment result of the ultrasound image can be represented as a second identification. Based on these two different types of information, the user can distinguish between the valid part and the invalid part in the space-time diagram, and analyze the propagation state of the endometrial peristaltic wave of the target object according to the valid part.

[0043] In the embodiment of the present application, the parts of the ultrasound image in the time-space diagram corresponding to the image quality that meets the preset requirements and does not meet the preset requirements can be displayed in a distinguishable manner, which allows the user to clearly see the valid and invalid parts in the time-space diagram, so that the user can directly ignore the invalid parts and only analyze the valid parts to determine the propagation state of the endometrial peristaltic wave of the target object. For example, in the time-space diagram, the brightness of the part of the ultrasound image that does not meet the preset requirements is lower or blurred relative to the part of the ultrasound image that meets the preset requirements (later combined with Figure 3 and Figure 4 In this example, when analyzing the space-time graph, the user can directly ignore the darker or blurred parts, which not only improves efficiency but also improves the accuracy of the analysis results.

[0044] In the embodiment of the present application, the image quality evaluation result of the ultrasound image can be displayed on the ultrasound image (such as a grayscale image) or on the spatiotemporal graph (which will be described later in conjunction with FIG. Figure 3 description), and can also be displayed on both (later combined Figure 4 For example, the first identification information and the second identification information described above can be displayed at corresponding positions of the space-time diagram. In this example, when the image quality of a frame of ultrasound image meets the preset requirements, the first identification information can be displayed at a position near the portion corresponding to the frame of ultrasound image on the space-time diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, the second identification information can be displayed at a position near the portion corresponding to the frame of ultrasound image on the space-time diagram.

[0045] In addition, in the embodiment of the present application, when the quality judgment result of a frame of ultrasound image changes with respect to the quality judgment result of the previous frame of ultrasound image, the same identification information is displayed in the interval corresponding to the continuous multiple frames of ultrasound images with the same quality judgment result before the frame of image (hereinafter combined with Figure 3 and Figure 4 In this embodiment, the quality judgment results of each frame of ultrasound image are not displayed in the corresponding part of the time-space diagram, but the same identification information is used for the parts with the same quality, and another identification information is displayed when the quality changes, which makes the image quality information displayed on the time-space diagram more concise and improves the user's viewing experience.

[0046] In another embodiment of the present application, the image quality assessment result of the ultrasound image may include information related to the judgment result of the quality level of the ultrasound image. In this embodiment, the quality of the ultrasound image is graded, so that the effectiveness of the corresponding space-time graph part can also be graded. The user can determine the space-time graph part to be analyzed according to the effectiveness of the space-time graph, which can further improve the accuracy of the analysis result.

[0047] In an embodiment of the present application, whether the image quality of a frame of ultrasound image meets the preset requirements can be determined by at least one of the following methods (1) to (6): (1) determining whether the average motion amplitude of the entire region of a frame of ultrasound image is higher than a preset threshold. If so, the judgment result is that the quality does not meet the preset requirements; (2) determining whether the average motion amplitude of the uterine wall region in a frame of ultrasound image (a high-echo curve in the section) is higher than a preset threshold. If so, the judgment result is that the quality does not meet the preset requirements; (3) determining whether the average motion amplitude of a partial region (such as a frame or line) or the entire region outside the uterus in a frame of ultrasound image is higher than a preset threshold. If so, the judgment result is that the quality does not meet the preset requirements. The quality does not meet the preset requirements; (4) Determine whether the average movement amplitude of the selected area (such as a box or line) inside the uterus outside the endometrium (as far away from the endometrium as possible) in a frame of ultrasound image is higher than a preset threshold. If so, the judgment result is that the quality does not meet the preset requirements; (5) Determine whether the average movement amplitude of the center of gravity of the endometrium in a frame of ultrasound image is higher than a preset threshold. If so, the judgment result is that the quality does not meet the preset requirements (because the violent peristalsis of the endometrium will not cause the center of gravity of the endometrium as a whole to shift too much); (6) Determine whether the matching degree of the characteristics of the uterus in each two frames of ultrasound images is lower than a preset threshold. If so, the judgment result is that the quality does not meet the preset requirements.

[0048] That is, the average motion amplitude (or weighted average motion amplitude) of a preset area (such as the entire area, the uterine wall area, part or all of the area outside the uterus, the selected area inside the uterus outside the endometrium, the center of gravity of the endometrium, etc.) of a frame of ultrasound image relative to the previous frame of ultrasound image can be determined, and the average motion amplitude is compared with a preset threshold. If it is higher than the preset threshold, it means that the image quality of the frame of ultrasound image does not meet the preset requirements. Alternatively, it can be determined whether the matching degree of the characteristics of the uterus in each two frames of ultrasound images is lower than the preset threshold. If so, the judgment result is that the quality does not meet the preset requirements. Among them, the characteristics of the uterus can include at least one of the following: the position of the uterus, the shape of the uterus, and the size of the uterus.

[0049] In addition, as mentioned above, the image quality assessment result of the ultrasound image may include information related to the judgment result of the quality level of the ultrasound image. In this embodiment, the preset area of ​​a frame of ultrasound image (such as the entire area, the uterine wall area, part or all of the area outside the uterus, the selected area inside the uterus outside the endometrium, the center of gravity position of the endometrium, etc.) can be graded relative to the average motion amplitude of the previous frame of ultrasound image. The smaller the average motion amplitude, the better the quality and the higher the quality level. Similarly, the matching degree of the features of the uterus in every two frames of ultrasound images can be graded. The higher the matching degree, the higher the quality level.

[0050] Combine the following Figure 3 and Figure 4 An example of ultrasound image quality and space-time diagram displayed in a method for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application is described.

[0051] Figure 3 The figure shows a region of interest manually selected by the user (or automatically selected by the system) after a period of ultrasound data acquisition is completed (in this example, the region of interest is a line segment, and in other examples, the region of interest can also be in other forms), and a spatiotemporal diagram of the region of interest generated according to the position of the region of interest in each frame of ultrasound image during this period of time (the spatiotemporal diagram reflects the movement trajectory of the region of interest in the ultrasound image during a period of time). Figure 3 As shown, the horizontal axis of the space-time diagram is time, and the vertical axis is the position (of the region of interest in each frame of ultrasound image), so the space-time diagram is used to characterize the position change of the region of interest over time.

[0052] In addition, Figure 3 In , the image quality assessment results of ultrasound images are presented in a spatiotemporal diagram, e.g. Figure 3 The five-star mark and one-star mark in the image are shown in Figure 1 (for example only, any other mark information can be used as long as it can distinguish different qualities, and it is not limited to visual information, but can also be sound information, etc.), where the five-star mark indicates that the quality of the ultrasound image during this period is good, and the one-star mark indicates that the quality of the ultrasound image during this period is poor (in order to reduce the number of marks and improve simplicity, the same mark information is displayed in the interval corresponding to multiple consecutive frames of ultrasound images with the same quality, as mentioned above). Based on the mark information, the user can know that the part of the space-time diagram corresponding to the five-star mark is the valid part, and the propagation state of the endometrial peristaltic wave of the target object can be analyzed based on the space-time diagram of the valid part. In addition, the part of the space-time diagram corresponding to the one-star mark becomes darker as a whole (for example only, any other method can be used as long as the space-time diagram parts corresponding to different qualities can be distinguished from each other), and the user can more clearly ignore this part of the space-time diagram and not use this part of the space-time diagram for analysis to avoid obtaining inaccurate results.

[0053] on the whole, Figure 3 The example shown displays ultrasound image quality information on a space-time diagram, so it can be called a quality space-time diagram. Since it is a space-time diagram generated after the data acquisition is completed, compared with the space-time diagram generated in real time from real-time acquisition data to be described later, the quality space-time diagram here can be called a static quality space-time diagram, and the space-time diagram generated in real time from real-time acquisition data to be described later is called a dynamic (quality) space-time diagram.

[0054] Figure 4 FIG. 2 shows an example of a display interface that displays ultrasound image quality information on both the ultrasound image and the spatiotemporal graph. Figure 4 As shown in the figure, the upper part shows a frame of ultrasound grayscale image, and the quality information of the frame of ultrasound image (five-star logo) is displayed in the upper right corner, and the lower part is Figure 3 The same space-time diagram. In this example, Figure 4 The upper part can dynamically display each frame of ultrasound images generated over time and their respective quality information, and the lower part can display a static quality time-space diagram after all ultrasound data acquisition is completed (after all frames of ultrasound images are displayed).

[0055] The above exemplary describes the method for displaying ultrasound image quality and time-space diagram according to one embodiment of the present application. Figures 5 to 7 A method for displaying ultrasound image quality and spatiotemporal diagram according to another embodiment of the present application is described.

[0056] Figure 5 FIG. 5 is a schematic flow chart of a method 500 for displaying ultrasound image quality and spatiotemporal graph according to another embodiment of the present application. Figure 5 As shown, the method 500 for displaying ultrasound image quality and space-time diagram includes the following steps:

[0057] In step S510, the ultrasonic probe is controlled to transmit a first ultrasonic wave to the uterine region of the target object, and an ultrasonic echo based on the first ultrasonic wave is received to obtain a first ultrasonic echo signal.

[0058] In step S520, a first ultrasonic image is generated in real time according to the first ultrasonic echo signal, and an image quality assessment result of the first ultrasonic image is determined.

[0059] In step S530, a region of interest in the first ultrasound image is determined, and a space-time diagram of the region of interest is generated according to the position of the region of interest in the first ultrasound image, wherein the tissue region corresponding to the region of interest includes tissue that generates peristaltic waves, and the space-time diagram is used to characterize the position change of the region of interest over time.

[0060] In step S540, the ultrasonic probe is controlled to transmit a second ultrasonic wave to the uterine region, and an ultrasonic echo based on the second ultrasonic wave is received to obtain a second ultrasonic echo signal.

[0061] In step S550, a second ultrasound image is generated in real time according to the second ultrasound echo signal, an image quality assessment result of the second ultrasound image is determined, and the space-time diagram is updated according to the position of the region of interest in the second ultrasound image.

[0062] In step S560, the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram are dynamically displayed.

[0063] The method 500 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application is similar to the method 200 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application described above, with the difference being that the method 200 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application generates a static space-time diagram once after collecting ultrasound data for a period of time, while the method 500 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application generates a space-time diagram in real time based on ultrasound data collected in real time, and the space-time diagram is updated in real time as the ultrasound data is collected (the data of the space-time diagram is increased as the time represented by the horizontal axis passes), and is displayed dynamically.

[0064] Similar to the method 200 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application, the method 500 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application displays the generated space-time diagram, and the user (such as a doctor) can understand the propagation state of the endometrial peristaltic wave of the current target object (such as a patient) from the space-time diagram; in addition, combined with the image quality information of the displayed ultrasound image, the user can understand which parts of the space-time diagram are more effective (corresponding to the position of the area of ​​interest in the ultrasound image with good image quality) and which parts are likely to be invalid or have poor effects (corresponding to the position of the area of ​​interest in the ultrasound image with poor image quality) in combination with the image quality information; based on this, the user can mainly analyze the propagation state of the endometrial peristaltic wave of the target object based on the effective parts of the space-time diagram, thereby improving the accuracy of the analysis results, which is conducive to more accurate diagnosis of the disease.

[0065] Similar to the method 200 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application, in the display method 500, the image quality evaluation result of the ultrasound image may include information related to the quality judgment result of whether the image quality of the ultrasound image meets the preset requirements. For example, when the image quality of a frame of ultrasound image meets the preset requirements, the image quality evaluation result of the ultrasound image may include first identification information; when the image quality of a frame of ultrasound image does not meet the preset requirements, the image quality evaluation result of the ultrasound image may include second identification information. Based on these two different types of information, the user can distinguish between the valid part and the invalid part in the space-time diagram, and analyze the propagation state of the endometrial peristaltic wave of the target object according to the valid part.

[0066] In addition, the parts of the ultrasound image in the time-space diagram corresponding to the image quality that meets the preset requirements and does not meet the preset requirements can be displayed in a distinguishable manner, which can make the user clearly understand the valid parts and invalid parts in the time-space diagram, so that the user can directly ignore the invalid parts and only analyze the valid parts to determine the propagation state of the endometrial peristaltic wave of the target object. For example, in the time-space diagram, the brightness of the part of the ultrasound image that does not meet the preset requirements is lower or blurred relative to the part of the ultrasound image that meets the preset requirements.

[0067] In addition, the image quality assessment result of the ultrasound image can be displayed on the ultrasound image, on the time-space diagram, or on both. When the image quality assessment result of the ultrasound image is displayed in the time-space diagram, when the quality judgment result of a frame of ultrasound image jumps relative to the quality judgment result of the previous frame of ultrasound image, the same identification information is displayed in the interval corresponding to the continuous multiple frames of ultrasound images with the same quality judgment result before the frame of image, which makes the image quality information displayed on the time-space diagram more concise and improves the user's viewing experience.

[0068] Among them, the average motion amplitude (or weighted average motion amplitude) of a preset area (such as the entire area, the uterine wall area, part or all of the area outside the uterus, the selected area inside the uterus outside the endometrium, the center of gravity position of the endometrium, etc.) of a frame of ultrasound image relative to the previous frame of ultrasound image can be determined, and the average motion amplitude is compared with a preset threshold. If it is higher than the preset threshold, it means that the image quality of the frame of ultrasound image does not meet the preset requirements. Alternatively, it can be determined whether the matching degree of the characteristics of the uterus in each two frames of ultrasound images is lower than the preset threshold. If so, the judgment result is that the quality does not meet the preset requirements. Among them, the characteristics of the uterus can include at least one of the following: the position of the uterus, the shape of the uterus, and the size of the uterus.

[0069] Further, the image quality assessment result of the ultrasound image may include information related to the judgment result of the quality level of the ultrasound image. Based on this, the preset area of ​​a frame of ultrasound image (such as the entire area, the uterine wall area, part or all of the area outside the uterus, the selected area inside the uterus outside the endometrium, the center of gravity position of the endometrium, etc.) can be graded relative to the average motion amplitude of the previous frame of ultrasound image. The smaller the average motion amplitude, the better the quality and the higher the quality level. Similarly, the matching degree of the features of the uterus in every two frames of ultrasound images can be graded. The higher the matching degree, the higher the quality level. In this embodiment, the quality of the ultrasound image is graded, so that the effectiveness of the corresponding space-time graph part can also be graded. The user can determine the space-time graph part to be analyzed according to the effectiveness of the space-time graph, which can further improve the accuracy of the analysis result.

[0070] Combine the following Figure 6 and Figure 7 An example of ultrasound image quality and space-time diagram displayed in the method 500 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application is described.

[0071] Figure 6 What is shown is a dynamically displayed space-time diagram, and the black dotted line corresponds to the current moment. That is to say, in the process of collecting ultrasound data, the position of the region of interest in each frame of ultrasound image is synchronously updated and displayed in the space-time diagram. When the data collection is completed, the space-time diagram is updated. The updated space-time diagram shows the position change of the region of interest over time during the period of data collection.

[0072] In addition, Figure 6 In , the image quality assessment results of ultrasound images are presented in a spatiotemporal diagram, e.g. Figure 6 The five-star mark and one-star mark in the image are shown in Figure 1 (for example only, any other mark information can be used as long as it can distinguish different qualities, and it is not limited to visual information, but can also be sound information, etc.), where the five-star mark indicates that the quality of the ultrasound image during this period is good, and the one-star mark indicates that the quality of the ultrasound image during this period is poor (in order to reduce the number of marks and improve simplicity, the same mark information is displayed in the interval corresponding to multiple consecutive frames of ultrasound images with the same quality, as mentioned above). Based on the mark information, the user can know that the part of the space-time diagram corresponding to the five-star mark is the valid part, and the propagation state of the endometrial peristaltic wave of the target object can be analyzed based on the space-time diagram of the valid part. In addition, the part of the space-time diagram corresponding to the one-star mark becomes darker as a whole (for example only, any other method can be used as long as the space-time diagram parts corresponding to different qualities can be distinguished from each other), and the user can more clearly ignore this part of the space-time diagram and not use this part of the space-time diagram for analysis to avoid obtaining inaccurate results.

[0073] on the whole, Figure 6 The example shown displays ultrasound image quality information on a space-time diagram, so it can be called a quality space-time diagram. Since the space-time diagram is generated in real time by acquiring data in real time, the quality space-time diagram here can be called a dynamic quality space-time diagram compared to the static quality space-time diagram described above.

[0074] Figure 7 FIG. 2 shows an example of a display interface that displays ultrasound image quality information on both the ultrasound image and the time-space diagram. Figure 7 As shown in the figure, the upper part shows a frame of ultrasound grayscale image, and the quality information of the frame of ultrasound image (five-star logo) is displayed in the upper right corner, and the lower part is Figure 6 The same space-time diagram. In this example, Figure 7 The upper part can dynamically display each frame of ultrasound images generated over time and their respective quality information, and the lower part can dynamically display a dynamic quality time-space diagram. The quality time-space diagram is generated and dynamically displayed in real time, and the user can use the dynamic quality time-space diagram to adjust the ultrasound data acquisition operation (such as adjusting the transmission parameters of the probe) to obtain better quality ultrasound data, thereby obtaining a better time-space diagram.

[0075] The above exemplarily describes a method for displaying ultrasound image quality and a spatiotemporal diagram according to another embodiment of the present application.

[0076] In the above embodiment, it is mainly described that a spatiotemporal graph of a region of interest is generated according to the position of the region of interest in each frame of ultrasound image. In other embodiments, a spatiotemporal graph may also be generated according to the motion parameters of the region of interest in the ultrasound image. In this embodiment, the generated spatiotemporal graph may be used to characterize the motion size and / or direction of the tissue pixel points in the region of interest, such as at least one of the size and direction of the speed, etc. That is, the spatiotemporal graph may also reflect the motion information of the region of interest, such as reflecting the motion trajectory of the region of interest in the ultrasound image over a period of time.

[0077] Based on the above description, the ultrasound image quality and space-time diagram display methods 200 and 500 according to the embodiments of the present application display a space-time diagram representing the changes of the region of interest in the ultrasound image (including the tissue region that generates peristaltic waves) over time, and display the image quality evaluation results of the ultrasound image, so that the doctor can determine the validity of the space-time diagram based on the image quality of the ultrasound image, and then analyze the propagation state of the endometrial peristaltic waves of the target object according to the effective part of the space-time diagram, thereby improving the accuracy of the analysis results.

[0078] Combine the following Figures 8 to 11 A schematic flow chart describing a method for displaying ultrasound image quality and spatiotemporal diagram according to other embodiments of the present application. These embodiments are extended applications of the embodiments described above.

[0079] Figure 8 FIG. 8 is a schematic flow chart of a method 800 for displaying ultrasound image quality and spatiotemporal graph according to another embodiment of the present application. Figure 8 As shown, the method 800 for displaying ultrasound image quality and time-space diagram includes the following steps:

[0080] In step S810, ultrasonic images collected within a period of time for a target area of ​​a target object are acquired.

[0081] In step S820, an image quality assessment result of the ultrasound image is determined, and a region of interest in the ultrasound image is determined.

[0082] In step S830, a spatiotemporal graph of the region of interest is generated according to the position of the region of interest in each frame of ultrasound image, and the spatiotemporal graph is used to represent the position change of the region of interest over time.

[0083] In step S840, the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram are displayed.

[0084] The method 800 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application is similar to the method 200 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application described above, except that the display method 800 does not limit the tissue region corresponding to the region of interest to include tissue generating peristaltic waves, but can be any region of interest. For the sake of brevity, further details are not described here.

[0085] Fig. 9 FIG. 8 is a schematic flow chart of a method 900 for displaying ultrasound image quality and spatiotemporal diagram according to another embodiment of the present application. Fig. 9 As shown, the method 900 for displaying ultrasound image quality and space-time diagram includes the following steps:

[0086] In step S910, a first ultrasound image is acquired in real time with respect to a target area of ​​a target object, the image quality of the first ultrasound image is determined, a region of interest in the first ultrasound image is determined, and a spatiotemporal diagram of the region of interest is generated according to the position of the region of interest in the first ultrasound image, wherein the spatiotemporal diagram is used to characterize the position change of the region of interest over time.

[0087] In step S920, a second ultrasound image is acquired for the target area, an image quality assessment result of the second ultrasound image is determined, and the space-time graph is updated according to the position of the region of interest in the second ultrasound image.

[0088] In step S930, the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram are dynamically displayed.

[0089] The method 900 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application is similar to the method 500 for displaying ultrasound image quality and space-time diagram according to the embodiment of the present application described above, except that the display method 900 does not limit the tissue region corresponding to the region of interest to include tissue generating peristaltic waves, but can be any region of interest. For the sake of brevity, further details are not described here.

[0090] The display methods 800 and 900 of ultrasound image quality and space-time diagrams according to the embodiments of the present application display a space-time diagram representing the changes of a region of interest in an ultrasound image over time, and display an image quality assessment result of the ultrasound image, so that a doctor can determine the validity of the space-time diagram based on the image quality of the ultrasound image, thereby assisting in the diagnosis of tissue lesions based on the space-time diagram.

[0091] Fig.10 FIG. 1 is a schematic flow chart of a method 1000 for displaying ultrasound image quality and spatiotemporal diagram according to another embodiment of the present application. Fig.10 As shown, the method 1000 for displaying ultrasound image quality and time-space diagram includes the following steps:

[0092] In step S1010 , ultrasonic images collected within a period of time for a target area of ​​a target object are acquired.

[0093] In step S1020, an image quality assessment result of the ultrasound image is determined.

[0094] In step S1030, a space-time diagram of the ultrasound image is generated, where the space-time diagram is used to represent the position change of each position in the ultrasound image over time.

[0095] In step S1040, the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram are displayed.

[0096] The method 1000 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application is similar to the method 800 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application described above, except that the display method 1000 does not select a region of interest, but generates a space-time diagram of the entire ultrasound image, or it can be understood that all regions of the ultrasound image are regions of interest. For the sake of brevity, further details are not described here.

[0097] Fig.11 FIG. 1 is a schematic flow chart of a method 1100 for displaying ultrasound image quality and spatiotemporal diagram according to another embodiment of the present application. Fig.11As shown, the method 1100 for displaying ultrasound image quality and space-time diagram includes the following steps:

[0098] In step S1110, a first ultrasound image is acquired in real time with respect to a target area of ​​a target object, an image quality of the first ultrasound image is determined, and a space-time diagram of the first ultrasound image is generated, wherein the space-time diagram is used to characterize position changes of various positions of the ultrasound image over time.

[0099] In step S1120, a second ultrasound image is acquired for the target area, an image quality assessment result of the second ultrasound image is determined, and the space-time graph is updated according to the second ultrasound image.

[0100] In step S1130, the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram are dynamically displayed.

[0101] The method 1100 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application is similar to the method 900 for displaying ultrasound image quality and space-time diagram according to an embodiment of the present application described above, except that the display method 1100 does not select a region of interest, but generates a space-time diagram of the entire ultrasound image, or it can be understood that all regions of the ultrasound image are regions of interest. For the sake of brevity, further details are not described here.

[0102] The display methods 1000 and 1100 of ultrasound image quality and space-time diagram according to the embodiments of the present application display a space-time diagram representing the changes of each position in the ultrasound image over time, and display the image quality evaluation result of the ultrasound image, so that the doctor can determine the validity of the space-time diagram based on the image quality of the ultrasound image, thereby assisting in the diagnosis of tissue lesions based on the space-time diagram.

[0103] Combine the following Fig.12 An ultrasonic imaging device provided according to another aspect of the present application is described, which can be used to implement the ultrasonic image quality and the method for displaying the spatiotemporal diagram according to the embodiments of the present application described above.

[0104] Fig.12 FIG. 1 shows a schematic block diagram of an ultrasonic imaging device 1200 according to an embodiment of the present application. Fig.12As shown, the ultrasonic imaging device 1200 may include a transmit / receive sequence controller 1210, an ultrasonic probe 1220, a processor 1230, and a display 1240. The transmit / receive sequence controller 1210 is used to control the ultrasonic probe 1220 to transmit ultrasonic waves to the target object, and receive ultrasonic echoes based on the ultrasonic waves to obtain ultrasonic echo signals; the processor 1230 is used to perform the above-described method for displaying the ultrasonic image quality and the time-space diagram according to the embodiment of the present application based on the ultrasonic echo signals; the display 1240 is used to display the image quality evaluation results of the generated ultrasonic images and the corresponding time-space diagrams. Those skilled in the art can understand the structure and operation of the ultrasonic imaging device in combination with the above description, and for the sake of brevity, they will not be repeated here.

[0105] In addition, according to an embodiment of the present application, a storage medium is also provided, on which program instructions are stored, and when the program instructions are executed by a computer or a processor, the corresponding steps of the method for displaying the ultrasound image quality and the time-space diagram of the embodiment of the present application are used. The storage medium may include, for example, a memory card of a smart phone, a storage component of a tablet computer, a hard disk of a personal computer, a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a portable compact disk read-only memory (CD-ROM), a USB memory, or any combination of the above storage media. The computer-readable storage medium may be any combination of one or more computer-readable storage media.

[0106] In addition, according to an embodiment of the present application, a computer program is also provided, which can be stored in a cloud or local storage medium. When the computer program is run by a computer or a processor, it is used to execute the corresponding steps of the method for displaying ultrasound image quality and spatiotemporal diagrams of the embodiment of the present application.

[0107] Based on the above description, the method for displaying ultrasound image quality and space-time diagram and the ultrasound imaging device according to the embodiments of the present application display a space-time diagram representing the changes over time of each position within the ultrasound image (the region of interest in the ultrasound image, such as the tissue region that generates peristaltic waves), and display the image quality evaluation result of the ultrasound image, so that the doctor can determine the validity of the space-time diagram based on the image quality of the ultrasound image, thereby assisting in the diagnosis of tissue lesions based on the space-time diagram.

[0108] Although example embodiments have been described herein with reference to the accompanying drawings, it should be understood that the above example embodiments are merely exemplary and are not intended to limit the scope of the present application to this. Those of ordinary skill in the art may make various changes and modifications therein without departing from the scope and spirit of the present application. All these changes and modifications are intended to be included within the scope of the present application as required by the appended claims.

[0109] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0110] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of the units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed.

[0111] In the description provided herein, a large number of specific details are described. However, it is understood that the embodiments of the present application can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0112] Similarly, it should be understood that in order to streamline the present application and help understand one or more of the various inventive aspects, in the description of the exemplary embodiments of the present application, the various features of the present application are sometimes grouped together into a single embodiment, figure, or description thereof. However, the method of the present application should not be interpreted as reflecting the following intention: the claimed application requires more features than the features clearly stated in each claim. More specifically, as reflected in the corresponding claims, the inventive point is that the corresponding technical problem can be solved with features less than all the features of a single disclosed embodiment. Therefore, the claims following the specific embodiment are hereby explicitly incorporated into the specific embodiment, wherein each claim itself serves as a separate embodiment of the present application.

[0113] It will be understood by those skilled in the art that, except for mutually exclusive features, all features disclosed in this specification (including the accompanying claims, abstracts and drawings) and all processes or units of any method or device disclosed in this specification may be combined in any combination. Unless otherwise expressly stated, each feature disclosed in this specification (including the accompanying claims, abstracts and drawings) may be replaced by an alternative feature that provides the same, equivalent or similar purpose.

[0114] In addition, those skilled in the art will appreciate that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0115] The various component embodiments of the present application can be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. It should be understood by those skilled in the art that a microprocessor or digital signal processor (DSP) can be used in practice to implement some or all of the functions of some modules in the article analysis device according to the embodiment of the present application. The present application can also be implemented as a device program (e.g., computer program and computer program product) for executing part or all of the methods described herein. Such a program implementing the present application can be stored on a computer-readable medium, or can have the form of one or more signals. Such a signal can be downloaded from an Internet website, or provided on a carrier signal, or provided in any other form.

[0116] It should be noted that the above embodiments illustrate the present application rather than limit the present application, and that those skilled in the art may design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference symbol between brackets should not be constructed as a limitation to the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "one" or "an" preceding an element does not exclude the presence of multiple such elements. The present application may be implemented by means of hardware including several different elements and by means of a suitably programmed computer. In a unit claim that lists several devices, several of these devices may be embodied by the same hardware item. The use of the words first, second, and third, etc. does not indicate any order. These words may be interpreted as names.

[0117] The above is only a specific implementation or description of a specific implementation of the present application, and the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. The protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A method for displaying ultrasound image quality and space-time diagram, characterized in that: The method comprises: Acquire ultrasound images collected from a uterine region of a target object over a period of time, and determine image quality assessment results of the ultrasound images; Determine a region of interest in the ultrasound image, wherein the tissue region corresponding to the region of interest includes tissue generating peristaltic waves; Generating a spatiotemporal graph of the region of interest according to the position of the region of interest in each frame of ultrasound image, wherein the spatiotemporal graph is used to characterize the position change of the region of interest over time; Displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram; Wherein, displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram includes: When the image quality of a frame of ultrasound image meets the preset requirements, first identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, second identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; and / or In the space-time diagram, relative to the portion corresponding to the ultrasound image whose image quality meets the preset requirement, the portion corresponding to the ultrasound image whose image quality does not meet the preset requirement has lower brightness or is blurred.

2. A method for displaying ultrasound image quality and space-time diagram, characterized in that: The method comprises: Controlling the ultrasonic probe to transmit a first ultrasonic wave to the uterine region of the target object, and receiving an ultrasonic echo based on the first ultrasonic wave to obtain a first ultrasonic echo signal; generating a first ultrasonic image in real time according to the first ultrasonic echo signal, and determining an image quality evaluation result of the first ultrasonic image; Determine a region of interest in the first ultrasound image, and generate a time-space diagram of the region of interest according to the position of the region of interest in the first ultrasound image, wherein the tissue region corresponding to the region of interest includes tissue that generates peristaltic waves, and the time-space diagram is used to characterize the position change of the region of interest over time; Controlling the ultrasonic probe to transmit a second ultrasonic wave to the uterine region, and receiving an ultrasonic echo based on the second ultrasonic wave to obtain a second ultrasonic echo signal; generating a second ultrasound image in real time according to the second ultrasound echo signal, determining an image quality assessment result of the second ultrasound image, and updating the space-time graph according to the position of the region of interest in the second ultrasound image; Dynamically displaying the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram; The image quality assessment result of the ultrasound image generated by the dynamic display and the corresponding space-time diagram include: When the image quality of a frame of ultrasound image meets the preset requirements, first identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, second identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; and / or In the space-time diagram, relative to the portion corresponding to the ultrasound image whose image quality meets the preset requirement, the portion corresponding to the ultrasound image whose image quality does not meet the preset requirement has lower brightness or is blurred.

3. The method according to claim 1 or 2, characterized in that: The image quality assessment result is also displayed on the corresponding ultrasound image.

4. The method according to claim 3, characterized in that When the image quality of a frame of ultrasound image meets the preset requirement, the image quality evaluation result is represented by a first mark; When the image quality of a frame of ultrasound image does not meet the preset requirement, the image quality evaluation result is represented by a second identifier.

5. The method according to claim 1, characterized in that The method further comprises: In the time-space diagram, when the quality judgment result of a frame of ultrasound image jumps relative to the quality judgment result of the previous frame of ultrasound image, the same identification information is displayed in the interval corresponding to multiple consecutive frames of ultrasound images with the same quality judgment results before the frame of image.

6. The method according to claim 1, characterized in that Determining whether the image quality of a frame of ultrasound image meets the preset requirements includes at least one of the following: Determine whether the average motion amplitude of all regions of a frame of ultrasound image is higher than a preset threshold, and if so, determine that the quality does not meet the preset requirements; Determine whether the average motion amplitude of the uterine wall region in a frame of ultrasound image is higher than a preset threshold, and if so, determine that the quality does not meet the preset requirements; Determine whether the average motion amplitude of part or all of the area outside the uterus in a frame of ultrasound image is higher than a preset threshold, and if so, determine that the quality does not meet the preset requirements; Determine whether the average motion amplitude of the selected area inside the uterus outside the endometrium in a frame of ultrasound image is higher than a preset threshold, and if so, determine that the quality does not meet the preset requirements; Determine whether the average movement amplitude of the center of gravity of the endometrium in a frame of ultrasound image is higher than a preset threshold, and if so, determine that the quality does not meet the preset requirements; It is determined whether the matching degree of the features of the uterus in each two frames of ultrasound images is lower than a preset threshold. If so, the result of the determination is that the quality does not meet the preset requirement.

7. The method according to claim 6, characterized in that The characteristics of the uterus include at least one of the following: the position of the uterus, the shape of the uterus, and the size of the uterus.

8. The method according to claim 1 or 2, characterized in that: The image quality assessment result includes information related to the judgment result of the quality level of the ultrasound image.

9. The method according to claim 1 or 2, characterized in that: The space-time diagram is also generated according to the motion parameters of the region of interest in the ultrasound image, and the space-time diagram is also used to characterize the motion size and / or direction of the tissue pixel points in the region of interest.

10. The method according to claim 1 or 2, characterized in that: The region of interest is a line segment, and the space-time diagram reflects the movement trajectory of the region of interest in the ultrasound image within a period of time.

11. The method according to claim 2, characterized in that The method further comprises: A user instruction is received to adjust a transmission parameter of the ultrasound probe for the uterine region, wherein the user instruction is determined by the user according to the dynamically displayed space-time diagram.

12. A method for displaying ultrasound image quality and space-time diagram, characterized in that: The method comprises: Acquire an ultrasound image acquired over a period of time for a target area of ​​a target object; Determining an image quality assessment result of the ultrasound image, and determining a region of interest in the ultrasound image; Generating a spatiotemporal graph of the region of interest according to the position of the region of interest in each frame of ultrasound image, wherein the spatiotemporal graph is used to characterize the position change of the region of interest over time; Displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram; Wherein, displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram includes: When the image quality of a frame of ultrasound image meets the preset requirements, first identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, second identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; and / or In the space-time diagram, relative to the portion corresponding to the ultrasound image whose image quality meets the preset requirement, the portion corresponding to the ultrasound image whose image quality does not meet the preset requirement has lower brightness or is blurred.

13. A method for displaying ultrasound image quality and space-time diagram, characterized in that: The method comprises: Acquire a first ultrasound image in real time for a target area of ​​a target object, determine the image quality of the first ultrasound image, determine a region of interest in the first ultrasound image, and generate a spatiotemporal graph of the region of interest according to the position of the region of interest in the first ultrasound image, wherein the spatiotemporal graph is used to characterize position changes of the region of interest over time; Acquire and obtain a second ultrasound image for the target area, determine an image quality assessment result of the second ultrasound image, and update the space-time graph according to the position of the region of interest in the second ultrasound image; Dynamically displaying the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram; The image quality assessment result of the ultrasound image generated by the dynamic display and the corresponding space-time diagram include: When the image quality of a frame of ultrasound image meets the preset requirements, first identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, second identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; and / or In the space-time diagram, relative to the portion corresponding to the ultrasound image whose image quality meets the preset requirement, the portion corresponding to the ultrasound image whose image quality does not meet the preset requirement has lower brightness or is blurred.

14. A method for displaying ultrasound image quality and space-time diagram, characterized in that: The method comprises: Acquire an ultrasound image acquired over a period of time for a target area of ​​a target object; Determining an image quality assessment result of the ultrasound image; Generating a time-space diagram of the ultrasound image, wherein the time-space diagram is used to represent the position change of each position in the ultrasound image over time; Displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram; Wherein, displaying the image quality assessment result of at least one frame of the ultrasound image and the corresponding space-time diagram includes: When the image quality of a frame of ultrasound image meets the preset requirements, first identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, second identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; and / or In the space-time diagram, relative to the portion corresponding to the ultrasound image whose image quality meets the preset requirement, the portion corresponding to the ultrasound image whose image quality does not meet the preset requirement has lower brightness or is blurred.

15. A method for displaying ultrasound image quality and space-time diagram, characterized in that: The method comprises: Acquire a first ultrasound image in real time for a target area of ​​a target object, determine the image quality of the first ultrasound image, and generate a time-space diagram of the first ultrasound image, wherein the time-space diagram is used to characterize position changes of each position of the ultrasound image over time; Acquire and obtain a second ultrasound image for the target area, determine an image quality assessment result of the second ultrasound image, and update the space-time graph according to the second ultrasound image; Dynamically displaying the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram; The image quality assessment result of the ultrasound image generated by the dynamic display and the corresponding space-time diagram include: When the image quality of a frame of ultrasound image meets the preset requirements, first identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; when the image quality of a frame of ultrasound image does not meet the preset requirements, second identification information is displayed at a position near the portion corresponding to the frame of ultrasound image on the time-space diagram; and / or In the space-time diagram, relative to the portion corresponding to the ultrasound image whose image quality meets the preset requirement, the portion corresponding to the ultrasound image whose image quality does not meet the preset requirement has lower brightness or is blurred.

16. An ultrasonic imaging device, characterized in that: The ultrasonic imaging device comprises an ultrasonic probe, a transmit / receive sequence controller, a processor and a display, wherein: The transmit / receive sequence controller is used to control the ultrasonic probe to transmit ultrasonic waves to the target object, and receive ultrasonic echoes based on the ultrasonic waves to obtain ultrasonic echo signals; The processor is used to perform the method for displaying ultrasound image quality and spatiotemporal diagram according to any one of claims 1 to 15 based on the ultrasound echo signal; The display is used to display the image quality assessment result of the generated ultrasound image and the corresponding space-time diagram.

17. A storage medium, characterized in that: The storage medium stores a computer program, which, when running, executes the method for displaying ultrasound image quality and space-time diagram according to any one of claims 1 to 15.

Images