95 results about "Ultrasonogram" patented technology

The invention discloses an online defect detection method for a main-grid-free photovoltaic cell panel, which comprises the following steps of: obtaining a life distribution diagram of a main-grid-free photovoltaic cell through time-resolved photoluminescence, and obtaining a heat dissipation diagram of the main-grid-free photovoltaic cell through optically-induced phase-locked thermal imaging; an ultrasonic diagram of the main-grid-free photovoltaic cell is obtained through laser ultrasound; preprocessing and registering the life distribution diagram, the heat dissipation diagram and the ultrasonic diagram so as to uniformly map the life distribution diagram, the heat dissipation diagram and the ultrasonic diagram to a cell coordinate system, extracting minority carrier life, heat dissipation power, ultrasonic propagation time delay offset and scattering energy, and forming a multi-modal feature together with a thermal phase; and based on the abnormal score, performing defect detection and classification on the multi-modal features of the possible defect area to obtain classification results of electrical defects, thermal defects and mechanical defects. The invention also discloses a system for realizing the method. According to the invention, full-coverage detection of electrical, thermal and mechanical defects is realized.

The application provides an ultrasonic image processing method, an automobile part processing device and a medium program, and is applied to the automobile part processing device. The automobile part processing device comprises an ultrasonic sensor. The method comprises the following steps: determining a target relative position parameter between the automobile part processing device and a target object through the ultrasonic sensor; determining a first working parameter corresponding to the target relative position parameter; and controlling the ultrasonic sensor to work at the first working parameter, so as to obtain a first image of the target object. The ultrasonic imaging effect of the automobile part processing device can be improved by adopting the application, so as to improve the accuracy of welding point identification.

An ultrasonic diagnostic apparatus includes: a lesion detection unit (26) that detects a suspected lesion region in a mammary gland region of a subject based on an ultrasonic image in which the mammary gland region is imaged; a mask data creation unit (27) that creates mask data of the detected suspected lesion region; an exclusion region setting unit (28) that sets an exclusion region to be excluded from a target of a glandular tissue component evaluation based on the mask data; and an evaluation unit (29) that performs the glandular tissue component evaluation on an evaluation target region obtained by excluding the exclusion region from the mammary gland region.

The invention provides an ultrasonic image processing method and device, electronic equipment, a storage medium and a computer product. The ultrasonic image processing method comprises the following steps: acquiring an ultrasonic image containing at least one blood vessel region; for a blood vessel region in the ultrasonic image, image segmentation is carried out on the ultrasonic image to obtain a first segmented image, and the first segmented image comprises the blood vessel region; determining a central pixel of each blood vessel region in the first segmented image; correcting a blood vessel region in the first segmented image based on the central pixel and the ultrasonic image to obtain a second segmented image; and synthesizing the second segmented image and the ultrasonic image to obtain a tissue attenuation image of which the blood vessel region is filtered. According to the scheme, the tissue attenuation image of the blood vessel filtering area can be obtained more accurately, and accurate diagnosis of medical staff is facilitated.

The invention discloses a defect detection method and device, electronic equipment and a computer readable storage medium. The method comprises the steps that an ultrasonic module is controlled to transmit ultrasonic signals corresponding to multiple frequencies to a screen assembly, and actually measured ultrasonic images corresponding to the multiple frequencies are determined based on echo signals corresponding to the multiple frequencies and returned by the screen assembly; performing diffraction ring detection on the actually measured ultrasonic image corresponding to each frequency, and determining an actually measured diffraction ring detection result corresponding to each frequency; and determining a defect detection result of the screen assembly based on the actually measured diffraction ring detection results corresponding to the plurality of frequencies. Due to different interactions between the defects at different positions of the screen assembly and the ultrasonic signals at different frequencies, the shapes, positions, sizes and the like of the diffraction rings existing in the actually measured ultrasonic images formed by the ultrasonic signals at different frequencies are different, so that the detection results of the actually measured diffraction rings at a plurality of frequencies can be used for detecting the detection results of the diffraction rings at different frequencies. And the accuracy of defect detection results can be ensured.

The invention provides a panoramic ultrasound image forming apparatus, a recording medium, and a program product. The present invention addresses the problem of improving the image quality of a panoramic ultrasound image. Alternatively, the amount of computation for forming the panoramic ultrasound image is reduced. A probe information acquisition unit (48) acquires a plurality of pieces of position information indicating the position of an ultrasonic probe (14) when a reception signal corresponding to each frame for forming a panoramic ultrasonic image is acquired. The synthesis processing unit (50) performs synthesis processing on the basis of the difference between a first position (14a), which is the position of the ultrasonic probe (14) when a reception signal corresponding to a first frame (60a) constituting the panoramic ultrasound image (62) is acquired, and a second position (14b), which is the position of the ultrasonic probe (14) when a reception signal corresponding to a second frame (60b) constituting the panoramic ultrasound image (62) is acquired. After the second frame (60b) is arranged offset from the first frame (60a) in the scanning direction, the first frame (60a) and the second frame (60b) are combined.

The present application provides an ultrasonic diagnostic apparatus, a control method of an ultrasonic diagnostic apparatus, a recording medium, and a computer program product. The present application is directed to accepting designation of a two-dimensional position on an ultrasonic image and being able to control the ultrasonic diagnostic apparatus in accordance with the designated position. A display section (118) accepts designation of a point on a displayed ultrasonic image through a touch operation or the like. A position information conversion section (130) converts coordinates of the point shown in a coordinate system of the ultrasonic image into coordinates in a coordinate system used by the ultrasonic diagnostic apparatus (100) in ultrasonic beam scanning. A central control section (120) and a control position setting section (132) use the coordinates obtained through the coordinate conversion to perform control of the ultrasonic diagnostic apparatus (100) (e.g., setting of a ROI).

The present invention addresses the problem of providing an ultrasound diagnostic device and a method for controlling the ultrasound diagnostic device, whereby it is possible to easily and accurately correct the contour line of a heart cavity. This ultrasound diagnostic device is provided with: a cardiac cavity extraction unit (25) that extracts a cardiac cavity from an ultrasound image obtained by imaging the heart of a subject; a correction likelihood estimation unit (26) that estimates the likelihood of correction for each portion of the contour line by analyzing the extracted contour line of the heart cavity; a control point specifying unit (27) that specifies a control point on the contour line on the basis of the estimated correction likelihood; an input device (32) for a user to perform an input operation; a correction operation reception unit (28) that receives a correction operation performed by a user on the specified control point via an input device (32); and a contour line correction unit (29) that corrects the contour line in accordance with the received correction operation.

This invention provides an ultrasonic endoscope and its front end unit capable of depicting ultrasonic images based on the base end of an ultrasonic transducer. In the ultrasonic endoscope, the outer peripheral surface of the front end body includes: a first surface disposed on the base end side of the ultrasonic transducer, along the long axis of the insertion portion; a second surface disposed on the base end side of the first surface, along the long axis, and located on a direction side perpendicular to the long axis relative to the first surface in a first direction; and a stepped surface connecting the base end side of the first surface and the front end side of the second surface. The direction perpendicular to both the long axis and the first direction is defined as the second direction. An effective angle is defined as the angle representing the irradiation range of the ultrasonic waves emitted from the ultrasonic transducer when observing the front end body from the second direction side. When the intersection point of the tangent that contacts the ultrasonic transducer and is in contact with the ultrasonic transducer at the position closest to the first direction side of the stepped surface and the ultrasonic transducer is defined as the first intersection point, the first intersection point is contained within 1 / 3 of the effective angle on the base end side.

The application provides a flow limiting ring detection method and system, and relates to the technical field of flow limiting ring detection. The method comprises the following steps: acquiring ultrasonic images of multiple flow limiting rings and flow information of inflow under a working environment of the flow limiting rings; determining a preliminary abnormal flow limiting ring by using an abnormal flow limiting ring model based on the ultrasonic images of the multiple flow limiting rings; determining K test flow rates and multiple simulation flow rates based on the flow information of the inflow under the working environment of the flow limiting rings; acquiring infrared thermal image videos of the preliminary abnormal flow limiting ring under the K test flow rates; and determining whether the preliminary abnormal flow limiting ring is qualified based on the infrared thermal image videos of the preliminary abnormal flow limiting ring under the K test flow rates and the infrared thermal image videos of the preliminary abnormal flow limiting ring under the multiple simulation flow rates. The method can efficiently, comprehensively and accurately detect whether the flow limiting ring is qualified.

An ultrasonic diagnostic apparatus is provided. A control section has a processor functioning as a synchronization signal generation section that generates a first synchronization signal, controls an ultrasonic probe in accordance with the first synchronization signal, a processor functioning as an ultrasonic image generation section, and a connector that has a synchronization signal line that transmits a second synchronization signal generated by the synchronization signal generation section and a data line that transmits data, outputs the second synchronization signal to the outside via the synchronization signal line, can be connected to a light source device that emits light to be incident on an insert, causes the second synchronization signal to be output via the synchronization signal line, the insert has a photoacoustic wave generation section that generates a photoacoustic wave by absorbing light, can also be connected to an electrocardiograph that stores identification information for identifying the apparatus, and outputs the second synchronization signal corresponding to the electrocardiograph via the connector when the identification information is acquired via the connector and it is detected that the electrocardiograph is connected in accordance with the identification information.

An ultrasonic diagnostic apparatus includes: an image acquisition unit (24) that acquires an ultrasonic image in which a mammary gland region of a subject is imaged; a monitor (23) that displays the ultrasonic image; a mammary gland region extraction unit (25) that extracts the mammary gland region from the ultrasonic image; an evaluation unit (27) that performs a glandular tissue component evaluation based on the mammary gland region; a schematic diagram creation unit (30) that creates a breast schematic diagram showing a breast divided into a plurality of partial regions; and a display control unit (22) that displays an evaluation result of the glandular tissue component evaluation on the monitor (23) in association with a partial region, which corresponds to a position where the ultrasonic image is captured, among the plurality of partial regions in the breast schematic diagram.

The invention discloses a geologic data-based terrestrial heat drilling parameter optimization method and system, and relates to a terrestrial heat drilling control optimization technical scheme. Comprising the following steps: constructing a well wall ultrasonic image by utilizing ultrasonic detection equipment, corresponding to a well depth reference line, and determining a key mapping point; driving a drill bit to rotate at a fixed rotating speed based on well depth, and detecting and associating drill bit temperature and mapping points; well wall abnormal risk points are recognized and marked; combining the well wall image, the drill bit temperature and the abnormal points into a reference geological data set, and performing mixed classification after cutting; performing reproducibility analysis on the groups in the same depth interval, and storing the groups meeting the standard to a reference geological database; the real-time temperature is analyzed through a drill bit temperature sequence in the database, and a depth section concerned for optimization is determined; by integrating ultrasonic imaging and drill bit temperature data, dynamic recognition of the geological condition of the well wall is achieved, the depth section where parameters need to be optimized is accurately determined, and the geothermal drilling efficiency and safety are improved.

The invention provides an ultrasonic image enhancement method and system, and the method comprises the steps: inputting a to-be-processed medical ultrasonic image into an encoder network, and obtaining an original feature map; dividing a channel into a plurality of groups, performing global average pooling and global maximum pooling on each group in parallel, and generating a group representation according to a splicing result; calculating the attention weight of each channel, and multiplying the attention weight with the corresponding channel of the original feature map to obtain a first enhanced feature map; performing two-dimensional Fourier transform on the original feature map to obtain a spectrogram of each channel; calculating a frequency-energy ratio, and combining the attention weight and the frequency-energy ratio to generate a spectrum enhancement mask; performing inverse transformation after the mask is multiplied by the spectrogram to obtain a second enhanced feature map; calculating variances of all the group expressions to obtain a feature differentiation degree, and generating a fusion coefficient based on the feature differentiation degree; performing weighted fusion on the first enhanced feature map and the second enhanced feature map by using a fusion coefficient to obtain a fused feature map; and inputting the fused feature map into a decoder network, and outputting a medical ultrasonic image.

The present application relates to the technical field of ultrasonic scanning path planning, and discloses an ultrasonic scanning trajectory planning method and system based on a variational autoencoder. The ultrasonic scanning trajectory planning method is applied to an ultrasonic scanning robot and specifically comprises the following steps: S101: receiving an ultrasonic image acquisition instruction sent by a user terminal, wherein the ultrasonic image acquisition instruction comprises an activation command of a carried ultrasonic probe, target region data collected by an ultrasonic image, and feature information of the ultrasonic probe when collecting the image; S102: acquiring ultrasonic wave image data collected by the target region, and sequentially placing the ultrasonic wave image data in an image preprocessing model to sequentially denoise the ultrasonic wave image data. The present application trains and optimizes an ultrasonic diagnosis model through few-sample learning, plans a trajectory through high-precision control and intelligent decision of an ultrasonic scanning robot, and automatically completes ultrasonic scanning operation, thereby improving the accuracy and stability of a diagnosis result.

The invention relates to a method for ultrasonic detection of pore area type defects in a to-be-tested workpiece. The method comprises the following steps: receiving an ultrasonic image of the to-be-tested workpiece; receiving a thickness map of at least one part of the to-be-tested workpiece; based on the thickness map of the at least one part of the to-be-tested workpiece, a simulated ultrasonic map of a corresponding area of the non-pore area type defect workpiece is determined, and the component and the thickness map of the corresponding area of the non-pore area type defect workpiece are the same as those of the corresponding area of the to-be-tested workpiece; based on the ultrasonic image of the to-be-tested workpiece and the simulated ultrasonic image, determining a detection image of the to-be-tested workpiece; and determining whether the pore area type defect exists or not in the to-be-tested workpiece based on the detection graph.

The application relates to a method and device for estimating a ventricular wall motion based on an adaptive regularization optical flow model, belonging to the technical field of ultrasonic image processing. The method is characterized in that: firstly, the obtained optical flow vector is analyzed through two-dimensional wavelet analysis and function mapping to obtain motion boundary information of the motion field relative to sudden change; secondly, the sudden change motion boundary information is adaptively fed back to the optical flow calculation model to correct the regularization coefficient of the smoothing term and recalculate the optical flow field; finally, the optical flow calculation process is repeated until the wavelet high-frequency component of the optical flow field converges; the method reflects the gradient difference between the myocardial ventricular wall and the surrounding tissue in the regularization coefficient, thereby improving the accuracy of motion estimation.

The application discloses a method and system for three-dimensional positioning of a medical diagnosis position by ultrasound. The method comprises the following steps: obtaining ultrasound images of different ultrasound positions and ultrasound angles; detecting features of each ultrasound image to obtain an ultrasound feature map containing information of a detected object; converting a gray value of the ultrasound image into a distance from the detected object; constructing a three-dimensional position matrix capable of representing the distance by a position and containing the ultrasound features; detecting features of a diagonal line using the three-dimensional position matrix; detecting features of multiple ultrasound positions and multiple ultrasound angles as values for judging whether the detected diagnosis position is accurate; and fusing the features of the diagonal line when detecting the diagnosis position.

A mammary gland region specifying unit specifies a mammary gland region in a target breast ultrasound image formed by transmitting and receiving an ultrasound wave to and from a breast. A fat region specifying unit specifies a fat region in the target breast ultrasound image. A threshold value specifying unit specifies a brightness threshold value based on a brightness value of each pixel constituting the fat region. A GTC calculation unit divides a pixel group constituting the mammary gland region into a high-brightness pixel of which a brightness value is equal to or more than a brightness threshold value and a low-brightness pixel of which a brightness value is less than the brightness threshold value. The GTC calculation unit calculates a GTC that is a parameter indicating a ratio of the number of low-brightness pixels in the mammary gland region.

A medical image processing device capable of presenting an examiner with a captured ultrasonic image, an image capture condition, and information relating to an examination, the medical image processing device comprising an image processing unit, an identification unit, and a display control unit. The image processing unit sequentially generates, on the basis of the reflected wave signal, ultrasonic still images in which time information indicating the elapsed time from the reference time to the time when the reflected wave signal is collected is associated. An ultrasonic moving image including an ultrasonic still image for a period corresponding to an imaging condition predetermined according to the purpose of ultrasonic inspection is generated. The recognition unit outputs, on the basis of time information associated with an ultrasonic still image included in the ultrasonic moving image, recognition information indicating the recognized imaging condition. The display control unit associates the ultrasonic image of the ultrasonic moving image and / or the ultrasonic still image, the time information, and the identification information, and causes the display device to display the ultrasonic image and the time information corresponding to the selected identification information.

To provide an image processing device, an endoscope system, an image processing method, and a program capable of outputting an accurate recognition result for an observation object region shown in an ultrasonic image obtained by a B mode method.SOLUTION: An image processing device includes a processor. The processor acquires an ultrasonic image obtained by a B mode method showing an observation object region of a subject in ultrasonic diagnosis for the subject, and blood flow distribution information obtained by a Doppler method used together with the B mode method in the ultrasonic diagnosis. The processor outputs a recognition result acquired by performing recognition processing for causing a learned model to recognize the observation object region by inputting the ultrasonic image and the blood flow distribution information to the learned model.SELECTED DRAWING: Figure 6

The purpose of the present invention is to provide an ultrasound image processing device and a program product that facilitate diagnosis based on display of evaluation values for ultrasound image data. An ultrasound diagnostic device (100) is provided with a processor. The processor acquires an evaluation value for each of ultrasonic image data sequentially acquired according to transmission and reception of ultrasonic waves, sequentially updates and displays an evaluation chart indicating the evaluation value when ultrasonic images based on the sequentially acquired ultrasonic image data are sequentially displayed, and displays an evaluation chart indicating the evaluation value when the ultrasonic images based on the sequentially acquired ultrasonic image data are sequentially displayed. A memory map is displayed for ultrasonic image data sequentially acquired according to transmission and reception of ultrasonic waves. The memory map represents a storage position in a memory in which each piece of ultrasound image data is stored.

The present application provides an ultrasonic diagnostic apparatus, an image processing method, and a storage medium. The image processing method includes: a puncture needle initial detection step of detecting a puncture needle connected domain signal frame by frame in an ultrasonic image; a region of interest setting step of forming a region of interest for predicting a movement trajectory of the puncture needle within a frame in which the puncture needle connected domain signal is first detected, and performing emphasized display of the puncture needle connected domain movement signal on the ultrasonic image; a puncture needle continued movement detection step of detecting whether a puncture needle continued movement signal exists with respect to the region of interest from a next frame of the frame; and a display control step of displaying the last detected puncture needle connected domain movement signal which is emphasized displayed if the puncture needle continued movement signal is not detected, and performing emphasized display of the puncture needle continued movement signal if the puncture needle continued movement signal is detected.

An ultrasonic diagnostic apparatus includes an ultrasonic probe, an image generation section which generates an ultrasonic image which photographs a breast of a subject by using transmission and reception of an ultrasonic beam to the subject using the ultrasonic probe, a schematic image generation section which generates a schematic image which draws a region of interest on the basis of a composite two-dimensional image which is generated using a series of radiographic images which are obtained by tomography and which photograph the breast of the subject, information of a tomographic image which is attached to the composite two-dimensional image and which corresponds to the region of interest on the composite two-dimensional image, and information of the region of interest, and a monitor which displays the ultrasonic image, the composite two-dimensional image, and the schematic image.

The present application provides an ultrasonic diagnostic apparatus capable of improving the accuracy of a likelihood image representing a target region in ultrasonic image diagnosis using a spatial compounding method. An ultrasonic diagnostic apparatus (1) according to the present disclosure includes a transmission / reception unit (11) that causes an ultrasonic probe (20) to perform transmission / reception of an ultrasonic beam; a signal processing unit (12) that generates an ultrasonic image based on a reception signal acquired from the ultrasonic probe (20); a target recognition unit (13c) that performs a segmentation process based on a structure type on the ultrasonic image to generate a likelihood image representing a region where a target exists in the ultrasonic image; and a likelihood image synthesis unit (13e) that synthesizes the likelihood images of a plurality of ultrasonic images generated by ultrasonic scanning using ultrasonic beams having mutually different deflection angles to generate a spatially compounded likelihood image.

The embodiment of the invention discloses an ultrasonic image generation method and device, and relates to the technical field of artificial intelligence data collection, and the method comprises the steps: constructing a geometric model of a muscle-tendon complex; at least one activation mode is adopted for the geometric model, the muscle deformation process is simulated, and three-dimensional structure data corresponding to the muscle deformation process is obtained; processing the three-dimensional structure data to obtain a tendon mask and a muscle beam mask; obtaining a sparse muscle beam mask based on the muscle beam mask, and performing image superposition operation on the sparse muscle beam mask and the tendon mask to generate a muscle map; and inputting the muscle atlas into a preset diffusion model to obtain ultrasonic images of different muscle forms. Therefore, through geometric modeling and activation mode simulation, three-dimensional structure data reflecting muscle biomechanical rules are accurately generated, ultrasonic imaging features are simulated in combination with the sparse muscle beam mask, it is ensured that ultrasonic images are close to clinical reality, manual scanning and labeling are not needed, and large-scale diversified data can be generated in batches.

The application provides a power optical cable preparation method and system based on image recognition, and relates to the technical field of optical cable preparation.The method comprises the following steps: acquiring a power optical cable image and a short-term environment video of power optical cable laying; determining a plurality of preliminary extrusion pressures based on the power optical cable image; determining a vibration frequency sequence of a test machine based on the short-term environment video of power optical cable laying; controlling an extruder to extrude plastic melt on a plurality of test power optical cables based on the plurality of preliminary extrusion pressures, and after cooling, controlling the test machine to perform vibration testing on each test power optical cable based on the vibration frequency sequence of the test machine; acquiring an ultrasonic image of each test power optical cable after the vibration testing is completed; and determining a target extrusion pressure based on the ultrasonic image of each test power optical cable after the vibration testing is completed, so that the extrusion pressure suitable for the environmental vibration requirement can be accurately determined to guarantee the quality of the power optical cable coating layer.

The present application discloses an ultrasonic image sensor and a related electronic device. The ultrasonic image sensor is coupled to a sinusoidal pulse signal generating circuit. The ultrasonic image sensor and the sinusoidal pulse signal generating circuit are provided below a cover plate. The ultrasonic image sensor is used to sense a surface pattern of an object to be measured that makes contact with the cover plate from above the cover plate. The ultrasonic image sensor includes: an upper electrode; a lower electrode array; a piezoelectric layer, which is provided between the upper electrode and the lower electrode array, wherein the piezoelectric layer is excited by means of a sinusoidal pulse signal generated by the sinusoidal pulse signal generating circuit so as to generate an ultrasonic wave, the ultrasonic wave is transmitted along the cover plate to the object to be measured and then a reflected echo is generated.

The invention provides a lung focus positioning method, and the method comprises the steps: automatically recognizing the position of a focus in a lung image through a focus positioning model, and outputting the position data of the focus to an ultrasonic device. The ultrasonic device automatically sets the body position of ultrasonic detection according to the position data and automatically marks the position information on the ultrasonic image, errors caused by manual identification of the position of the focus and manual marking of the position information of the focus are avoided, and therefore the accuracy and efficiency of focus positioning are improved.

An ultrasonic diagnostic apparatus includes: an image acquisition unit (24) that acquires an ultrasonic image in which a mammary gland region of a subject is imaged; a monitor (23) that displays the ultrasonic image; a mammary gland region extraction unit (25) that extracts the mammary gland region from the ultrasonic image; an evaluation unit (27) that performs a glandular tissue component evaluation based on the mammary gland region; a schematic diagram creation unit (30) that creates a breast schematic diagram showing a breast divided into a plurality of partial regions; and a display control unit (22) that displays an evaluation result of the glandular tissue component evaluation on the monitor (23) in association with a partial region, which corresponds to a position where the ultrasonic image is captured, among the plurality of partial regions in the breast schematic diagram.