42 results about "Ultrasonogram" patented technology

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.

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 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.

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.

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 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 present application relates to a kind of offshore wind power blade internal crack detection methods, including the image of offshore wind power blade is collected, is integrated to form data set after pretreatment, image includes ultrasonic C-Scan image and X-ray image;Based on Swin-FTransDeepLab model, improved feature extraction module is established to the feature extraction of image, constructs feature enhancement module and introduces multimodal feature information, the information of each modality of extracted feature is enhanced, the enhanced feature is sequentially input into channel weighting module and spatial weighting module and is allocated weight, then through cross attention module, the feature interaction fusion between different modalities is realized;The fused feature is up-sampled and input into prediction module to detect crack and predict, utilize the complementarity of multimodal and make a breakthrough in capturing features, improve the accuracy and efficiency of offshore wind power blade crack detection, provide strong support for the maintenance and safety management of offshore wind power blade.

This utility model discloses an interventional puncture needle, relating to the field of medical device technology. It includes a needle hub and a needle tube. One end of the needle tube is fixedly connected to the needle hub, and the other end is the puncture end. The outer wall of the needle tube is provided with three sections of composite texture. The outer wall of the puncture end of the needle tube has a double-helix cross-shaped groove. The outer wall of the middle section of the needle tube has a reverse-interlaced variable-pitch spiral pattern. The outer wall of the section of the needle tube near the needle hub has a wavy groove. The double-helix cross-shaped groove, the reverse-interlaced variable-pitch spiral pattern, and the wavy groove on the outer wall of the needle tube can generate obvious echo signals under the action of ultrasound. These echo signals form a clear imaging effect in the ultrasound image, significantly improving the clarity and stability of ultrasound imaging. Furthermore, the wavy groove can reduce needle tip stress and improve the bending strength of the needle tube, providing a more precise and safer tool for interventional medical treatment.

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.

An ultrasound device according to one embodiment of the present disclosure is disclosed. The ultrasound device may comprise: a main body module including an ultrasound scanner for acquiring an ultrasound image; and a mounting module which is mounted on the main body module and which generates focused ultrasound (FU) waves in a target area, wherein the main body module and the mounting module are coupled such that at least some of the ultrasonic waves generated by the ultrasound scanner of the main body module pass through the inside of the mounting module and are emitted at the target area.

The invention discloses an acousto-optic fusion flaw detection method and system for an underwater wind power pile foundation, and the method comprises the steps: collecting an optical image and an ultrasonic image of the underwater wind power pile foundation through a data collection device, and carrying out the preprocessing of image data; fusing the processed optical image and the ultrasonic image through an MDSFF cross-modal fusion mechanism; and performing defect identification and three-dimensional reconstruction according to the fused image data to obtain a reconstructed three-dimensional defect model and output defect information. According to the method, the optical features and the ultrasonic features of the underwater wind power pile foundation are aligned and fused through the MDSFF cross-modal fusion mechanism, feature alignment is carried out through the deformable self-alignment mechanism, feature alignment calculation can be limited to the most relevant local features in the image, the calculation complexity is reduced, and the accuracy of feature alignment is improved. And effective features are identified and selected for fusion by using a gating selection mechanism, so that redundant noise is suppressed, and the efficiency, accuracy and reliability of underwater wind power pile foundation defect identification are further improved.

The invention provides an ultrasound image processing apparatus, a computer program product, and a recording medium. The present invention addresses the problem of preventing or reducing blurring of a blood flow edge in display of flow rate data. A processor removes noise from power data (110) extracted from color stream data (100) (functional module (14)), and finds a gradient in each pixel from the power data (112) after noise removal as blood flow pattern information (114) (functional module (16)). And, the processor uses the blood flow morphology information (114) to noise remove flow rate data (120) extracted from the color flow data (100) (functional module (20)). In the noise removal, the processor uses, for example, a noise removal filter that takes into account only a group of pixels along a direction perpendicular to a gradient in the pixel for each pixel.

A computer-implemented method for identifying at least one defect in a wood panel (110) is provided, the method comprises: receiving (310) X-ray image data; receiving (330) ultrasound image data; the method further comprises: analyzing (320) the X-ray image data; analyzing (340) the ultrasound image data; and generating (350) a detection result to express at least one of: i) the defect originating from the error in glueing is present in the wood panel (110), ii) the defect originating from a missing portion of a layer is present in the wood panel (110) Also a computing system (120), a computer program and a detection system are provided to.

An ultrasound diagnostic apparatus (1) includes an ultrasound probe (21); an inclination angle sensor (13) that detects an inclination angle thereof; an image acquisition unit (5) that acquires an ultrasound image; a bladder extraction unit (8) that extracts a bladder region from the ultrasound image; a feature quantity calculation unit (9) that calculates a feature quantity of the bladder region; a first measurement unit (10) that measures a first maximum diameter and a second maximum diameter of the bladder region from the feature quantity; a manipulation assist unit (11) that assists a user in a slide manipulation of the ultrasound probe (21) such that a scanning section indicates the first maximum diameter and the second maximum diameter; a second measurement unit (14) that measures a third maximum diameter of the bladder region orthogonal to the scanning section on the basis of the ultrasound image and the inclination angle at the assisted position; and a bladder volume calculation unit (15) that calculates a volume of the bladder.

The present disclosure relates to a detection device, medical imaging apparatus, and medical puncture system. The detection device comprising: a compression unit, configured to compress an object; an X-ray detector, located on one side of the compression unit along a first direction, the X-ray device adapted for acquiring an X-ray image of the object; an ultrasonic detector, spaced apart from the X-ray detector and capable of moving relative to the X-ray detector along a second direction, the ultrasonic detector adapted for acquiring an ultrasonic image of the object.

The present application provides an ultrasonic diagnostic apparatus and a diagnostic assistance method. An image analysis section (28) has a reliability calculation section (29) that calculates a reliability that indicates a likelihood that a lesion candidate is a lesion. A marker display control section (30) displays a marker that notifies of the lesion candidate on an ultrasonic image. The marker is continuously displayed in a continuous detection state in which the reliability continuously satisfies a candidate detection condition. At this time, from a time point at which the candidate detection condition is first satisfied to a passage of a shape-invariant period, the shape of the marker is fixed, and thereafter, the shape of the marker is changed in correspondence with a change in the reliability.

An electronic stethoscope with a method of listening to sounds made by a heart, a lung, or blood flow along with using soundwaves transmitted from a transducer to observe a person's circulatory system wirelessly displayed onto a nearby monitor without switching devices.

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.

Provided is an ultrasonic diagnostic system, and the object is to display an angle at which puncture can be performed according to a mounting state of a puncture adapter to an ultrasonic probe. An intraperitoneal insertion type ultrasonic probe guides a puncture needle at an arbitrary angle within a prescribed angle range, and has a through-hole (214) having an inverted triangular shape in a head portion (210). A puncture adapter (400) is mounted to the head portion (210) by being inserted into the through-hole (214) through an insertion portion having an inverted triangular shape. The puncture adapter (400) has a needle guide hole (406) that guides the puncture needle at a fixed angle. An ultrasonic diagnostic apparatus generates a second graphic image having a third line (504c) indicating an inclination angle of the needle guide hole (406) and displays the second graphic image overlaid on an ultrasonic image when the puncture adapter (400) is mounted, and generates a first graphic image indicating the prescribed angle range determined by an inclination angle of an inner wall of the through-hole (214) and displays the first graphic image overlaid on the ultrasonic image when the puncture adapter (400) is not mounted.

[Problem] To provide an ultrasound image processing device, an ultrasound diagnostic system, and an ultrasound image processing method, which improve the operability of a display operation in the ultrasound image processing device. An ultrasonic image processing apparatus according to an embodiment of the present invention has a display device, a sensing unit, a setting unit, a display control unit, and a display processing unit. The display device has a display screen that displays an ultrasound image relating to a subject. The sensing unit senses a touch operation of a user on the display screen. When a first touch operation on the ultrasonic image is sensed, the setting unit sets a target point at a position on the ultrasonic image where the first touch operation has been performed. The display control unit displays a first GUI element for performing a display operation on the ultrasound image with reference to the target point in a predetermined region of the display screen. When a second touch operation on the first GUI element is sensed, the display control unit performs display processing on the ultrasound image in accordance with the second touch operation.

An information processing apparatus, an information processing method, and a storage medium capable of improving the accuracy of determining arteries and veins of a blood vessel are provided. An information processing apparatus that performs processing on an ultrasonic image (U) generated by transmitting an ultrasonic beam (UB) toward a living body (30) from a transducer array (13) and receiving ultrasonic echoes generated in the living body (30) has a blood vessel detection section (71) that detects a blood vessel region (Ra) containing a blood vessel (B) from the ultrasonic image (U), a structure detection section (72) that detects a structure other than the blood vessel (B) from the ultrasonic image (U), and an artery and vein determination section (73) that determines which of an artery and a vein the blood vessel (B) contained in the blood vessel region (Ra) is based on the relative positional relationship between the blood vessel region (Ra) and the structure.

This invention discloses a method and system for assessing vascular fibrosis burden based on intravascular ultrasound data, belonging to the field of image processing technology. The method involves acquiring ultrasound images, denoising the ultrasound images to obtain denoised ultrasound images, identifying the denoised ultrasound images using a target recognition model, calculating the fibrosis burden score based on the identification result, and providing early warnings based on the fibrosis burden score. By denoising the ultrasound images to improve image quality, and using a target recognition model to accurately analyze the denoised intravascular ultrasound images, the method enhances the model's ability to identify fibrotic plaques and insignificant features, thereby achieving automated, quantitative, and accurate calculation of the vascular fibrosis burden score and providing timely early warnings based on the quantified score.