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2416 results about "Ultrasonic imaging" patented technology

Ultrasonic images, also known as sonograms, are made by sending pulses of ultrasound into tissue using a probe. The ultrasound pulses echo off tissues with different reflection properties and are recorded and displayed as an image. Many different types of images can be formed.

Intelligent optimization method for ultrasonic image quality enhancement

The invention discloses an intelligent optimization method for ultrasonic image quality enhancement. The intelligent optimization method comprises the following steps: acquiring an original ultrasonic image through ultrasonic imaging equipment; performing multi-stage preprocessing on the obtained original ultrasonic image; extracting multi-scale features from the ultrasonic image subjected to the multi-stage preprocessing; performing intelligent scoring on the images subjected to multi-stage preprocessing and multi-scale feature extraction; dynamically optimizing the processing parameters under the guidance of the image quality score; identifying and emphatically enhancing a target area in the ultrasonic image; fusing a local optimization result with the global image; and outputting the optimized ultrasonic image and the corresponding quality scoring report. Compared with the prior art, the ultrasonic image quality enhancement method has the following advantages and effects that the ultrasonic image quality enhancement method provided by the invention has remarkable innovativeness in technology, solves the ultrasonic image quality problem existing in the prior art, provides a more efficient and accurate auxiliary tool for clinical diagnosis, and has wide application prospect and practical value.
Owner:SHENZHEN YINO INTELLIGENCE TECH +1

Thyroid ultrasonic robot automatic scanning method, device and equipment based on RGB image and depth information and medium

The invention relates to the technical field of computer vision, and discloses a thyroid ultrasonic robot automatic scanning method, device and equipment based on RGB images and depth information and a medium, and the method comprises the steps: obtaining image information and depth information, coding the depth information, fusing and recognizing a target scanning area, determining an initial scanning point and an initial scanning direction, controlling the scanning probe to scan and collect a real-time scanning image, analyzing the real-time scanning image to recognize a preset target and an artifact area, adjusting a scanning posture and a scanning path based on a recognition result, monitoring a continuous existence state of the preset target, and stopping scanning when the preset target is not recognized continuously. The target area is identified by fusing the multi-modal image information, the scanning posture and path are dynamically adjusted in combination with real-time image analysis, scanning termination is intelligently controlled according to the target detection result, the positioning accuracy, image quality and standardization level of ultrasonic scanning are improved, and the method is suitable for automatic ultrasonic imaging of thyroid and superficial organs.
Owner:SHENZHEN BEAUTIFUL RUBIKS CUBE ROBOT CO LTD

High-precision automatic vein blood sampling system and method

The invention relates to the technical field of medical instruments, and particularly discloses a high-precision automatic vein blood sampling system and method, and the system comprises an optimal puncture blood vessel decision module which determines an optimal puncture blood vessel data set; the dynamic ultrasonic data acquisition module is used for guiding an ultrasonic probe on a mechanical arm to perform skin fitting ultrasonic imaging based on the optimal puncture blood vessel coordinate under the camera coordinate system to obtain dynamic ultrasonic data of the optimal puncture area; the ultrasonic blood vessel data acquisition module performs enhancement and ROI extraction on blood vessel signals in the dynamic ultrasonic data; an ultrasonic blood vessel data analysis module extracts all potential blood vessel form distribution data sets from the time sequence blood vessel ROI candidate set, and performs puncture optimization degree and credibility analysis on all the potential blood vessel form distribution data sets to determine a final needle insertion point and a final puncture angle; the vein blood sampling puncture control module is used for controlling a puncture needle to perform puncture blood sampling at a final puncture position at a final puncture angle; the device is used for realizing high-precision automatic control of vein blood sampling.
Owner:CHENGDU KAIRUI MEDICAL TECH CO LTD

Full-focusing super-resolution imaging method based on deconvolution

The invention discloses a deconvolution-based full-focusing super-resolution imaging method, and relates to the technical field of full-focusing super-resolution imaging, and the method specifically comprises the steps: 1, carrying out the data collection based on a full-matrix collection mode, and carrying out the initial image reconstruction through a full-focusing method, and 2, carrying out the reconstruction of an initial image through the analysis of a point spread function of an imaging system, the method comprises the following steps: step 1, establishing a physical convolution model to describe a fuzzy effect in an imaging process, and step 2, by taking minimization of an imaging error as a target and introducing sparse constraint, promoting generation of non-zero reaction only at a position where a defect actually exists in a reconstructed image and inhibiting background noise and artifacts. A point spread function modeling imaging process is introduced, sparse deconvolution solution is carried out on defect distribution by utilizing a fast iteration threshold method, and a super-resolution imaging scheme which has a physical basis and is high in robustness and calculation efficiency is provided for guided wave ultrasonic imaging.
Owner:NINGBO ORIENTAL UNIV OF TECH (TEMPORARY NAME)

Method and system for determining local weakening of blood vessels using 2D ultrasonic imaging

A method and system for determining a regional weakening (RW) value in a blood vessel using ultrasonic imaging. A set of images of a portion of a given patient's body collected over time is received. A set of measurements representing the movement of the tissue of the blood vessel is received, and the set of measurements is determined based on the set of images. The movement of the wall and lumen at least partially indicates strain. A blood flow velocity value in the blood vessel is determined based on a Doppler image, and an RW parameter indicating the state of weakening in a region of the blood vessel is determined based on at least the set of measurements, thrombus burden, and blood flow velocity value. A map showing the circumference of the blood vessel including the regional weakening value and the strain value may be displayed.
Owner:VITAA MEDICAL SOLUTIONS INC

Heart interventional operation scene reconstruction method based on 3D ultrasonic imaging rendering

The invention discloses a cardiac interventional operation scene reconstruction method based on 3D ultrasonic imaging rendering. The method comprises the following steps: collecting a preoperative computed tomography or magnetic resonance imaging image as prior information; the real-time 3D ultrasonic image sequence is preprocessed; the method comprises the following steps of: performing voxelization on an image by combining prior information, converting image data into voxel representation in a three-dimensional space, and creating an initial 3D Gaussian function set; parameters of the initial Gaussian function are optimized through an iterative optimization algorithm, so that the difference between the reconstructed image and the actual image is minimized; in combination with interventional catheter shape constraint, adaptive density control of a 3D Gaussian function is alternately carried out; and rendering tiles one by one by adopting a Gaussian sputtering technology based on the tiles to realize real-time three-dimensional scene reconstruction and display. According to the method, prior information and interventional catheter shape constraints are combined, various structures in an operation scene are represented and simulated by using a 3D Gaussian function, and efficient rendering is realized through a tile-based sputtering technology.
Owner:TONGJI UNIV

Ultrasound Imaging System for Generation of a Three-Dimensional Ultrasound Image

An ultrasound imaging system configured to generate a three-dimensional (3D) ultrasound image of a target area. The ultrasound imaging system includes a console including one or more processors and non-transitory computer readable medium having stored thereon one or more logic modules, and an ultrasound probe configured to acquire a plurality of ultrasound images of a target area. The ultrasound probe can be coupled to the console by an ultrasound probe connector having optical fiber including one or more core fibers. The console is configured to generate the 3D ultrasound image by stitching together the plurality of ultrasound images, starting from a point of reference. The point of reference can be the ultrasound probe, one or more anatomical targets, an elongate medical device, a reference magnet, or one or more accelerometers.
Owner:BARD ACCESS SYSTEMS INC

Intelligent assembling and welding manufacturing method and system for open type pressure machine tool body

The invention provides an intelligent assembling and welding manufacturing method and system for an open-type pressure machine tool body, and relates to the technical field of open-type pressure machine tool body assembling and welding. The method comprises the steps that according to the structural characteristics of the open-type pressure machine tool body, the machine tool body is divided into a plurality of independent functional modules, and the functional modules are positioned and clamped; the assembled open type pressure machine tool body is obtained; the method comprises the steps that a welding sequence optimization model of welding seams is established according to a key stress structure of an open type pressure machine tool body, and the optimal welding sequence of the welding seams is obtained by solving the welding sequence optimization model; welding the assembled open-type pressure machine tool body by utilizing the optimal welding sequence, and in the welding process, identifying a welding seam type and defect characteristics by adopting a phased array ultrasonic imaging technology, outputting a welding defect ultrasonic imaging result, predicting an expansion evolution behavior of the defect according to an intelligent detection result, and forming a quantitative defect evaluation system; and multi-information fusion intelligent evaluation of the welding quality is realized.
Owner:TIANJIN HANYANG METAL EQUIP

Miniature ultrasonic image reconstruction method, device and equipment based on deep learning

The invention belongs to the technical field of image processing, and discloses a miniature ultrasonic image reconstruction method, device and equipment based on deep learning. The method comprises the following steps: constructing a lightweight U-Net model by a processed signal; a mixed loss function and a quantitative perception optimization and compression lightweight U-Net model are adopted, the processed model is deployed on an FPGA, a layered mapping strategy and a double-buffering mechanism are adopted to execute reasoning, and a reconstructed image is output; an up-sampling strategy is dynamically selected through a closed-loop feedback super-resolution module to optimize a reconstructed image, the ultrasonic imaging quality is improved through a lightweight U-Net architecture, hardware collaborative optimization and an end-to-end imaging pipeline, and a depth separable convolution, multi-scale attention gating and mixed loss function optimization algorithm is adopted; the power consumption is reduced through FPGA accelerated reasoning, dynamic voltage frequency adjustment and on-chip memory optimization, the imaging effect is improved through quantitative perception training, and the system is high in resolution, low in power consumption, high in real-time performance and suitable for portable medical equipment.
Owner:HUBEI ENG UNIV

Ultrasound Systems and Methods for Sustained Spatial Attention

An ultrasound probe for sustained spatial attention. The ultrasound probe can include a display screen on a visible side of the ultrasound probe, the display screen coupled to ultrasound imaging components in the ultrasound probe, the ultrasound imaging components configured to capture live subcutaneous images and render the live subcutaneous images on the display screen. The ultrasound probe can further include one or more needle trajectories depicted on the display over the live subcutaneous images, the one or more needle trajectories configured to assist a user in guided insertion of a needle into an anatomical target under the ultrasound probe. The ultrasound probe can further include a light-pattern projector on the visible side of the ultrasound probe adjacent the display screen, the light-pattern projector configured to project a light pattern corresponding to a subcutaneous depth accessible by a needle.
Owner:BARD ACCESS SYSTEMS INC

Dynamic three-dimensional ultrasonic spine detection method and imaging system

The invention discloses a dynamic three-dimensional ultrasonic spine detection method and imaging system, and belongs to the field of medicine.The method adopts a mature three-dimensional spine ultrasonic imaging system to be matched with a wearable wireless ultrasonic probe to collect real-time ultrasonic images, a depth camera records space coordinate changes of spine feature points in real time when the spine of a patient is bent, and the dynamic three-dimensional spine ultrasonic imaging system is obtained. A three-dimensional ultrasonic image, a real-time ultrasonic image and a dynamic three-dimensional image of a back form are fused to obtain a dynamic three-dimensional ultrasonic spine image, and a deep learning algorithm is combined according to the dynamic three-dimensional ultrasonic spine image to carry out Lenke typing parameter measurement and calculation and carry out dynamic comprehensive evaluation on the spine. Scoliosis typing is improved from a traditional X-ray plane evaluation mode based on radiation hazards to non-radiation dynamic three-dimensional ultrasonic analysis, and the problems that in the prior art, the error rate of data collected under the static condition is high, and collection parameters are insufficient are solved.
Owner:TELEFIELD MEDICAL IMAGING (SHENZHEN) LTD

Ultrasound imaging apparatus and operating method thereof

Provided is an ultrasound imaging apparatus including a display, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory, wherein, by executing the one or more instructions, the processor is further configured to generate at least one contrast-enhanced image of an object based on first ultrasonic signals obtained when a probe sweeps the object in a first direction, generate at least one ultrasonic image of the object based on second ultrasonic signals obtained when the probe sweeps the object in a second direction different from the first direction, and control the display to display the at least one contrast-enhanced image and the at least one ultrasonic image.
Owner:SAMSUNG MEDISON CO LTD

Full-focusing ultrasonic imaging method for multi-modal damage of composite material

The invention provides a full-focusing ultrasonic imaging method for multi-modal damage of a composite material, and the method comprises the steps: calculating the correlation of the reflection intensity of a sound wave signal at different moments and spatial positions through employing an established quantitative corresponding relation, recognizing a close contact region and a loose separation region between a bonding layer and a substrate, and carrying out the recognition of the close contact region and the loose separation region. Judging the continuity distribution condition of the interface contact state; according to the continuous distribution condition of the interface contact state, key feature points of dynamic damage evolution are extracted, a time sequence analysis method is adopted to track the feature points to adapt to damage features of dynamic changes, and prediction data of the damage expansion trend are obtained; and according to the dynamic representation result of the interface state, fusing the obtained multi-period signal characteristic data, carrying out quantitative calculation on the area change of the debonding region, judging the residual distribution state of the bonding strength, and obtaining a comprehensive evaluation report of the damage degree of the bonding interface.
Owner:CHONGQING AEROSPACE POLYTECHNIC COLLEGE

Breast tumor benign and malignant identification system based on double-branch attention distillation network

The invention discloses a breast tumor benign and malignant identification system based on a double-branch attention distillation network, belongs to the field of medical image processing, and particularly relates to the breast tumor benign and malignant identification system based on the double-branch attention distillation network. The invention aims to solve the problem that the existing method based on deep learning is insufficient in feature extraction capability and cannot accurately focus a lesion area. The system comprises an ultrasonic image preprocessing main module used for preprocessing collected breast ultrasonic images, obtaining ultrasonic imaging areas, unifying the image size of the obtained ultrasonic imaging areas, obtaining preprocessed breast ultrasonic images, and taking the preprocessed breast ultrasonic images as a training set; the double-branch convolutional neural network main module is used for building a double-branch attention distillation network model; the model training main module is used for obtaining a trained double-branch attention distillation network model; and the model test main module is used for loading the trained double-branch attention distillation network model and classifying breast ultrasound images to be diagnosed.
Owner:HARBIN INST OF TECH

Deep learning-based multimodal image fusion method for soft tissue photoacoustic / ultrasound imaging

The invention discloses a deep learning-based multimodal image fusion method for soft tissue photoacoustic / ultrasound imaging. Steps: an ultrasound-photoacoustic imaging device acquires photoacoustic and ultrasound images of human soft tissue and performs size normalization processing; an input spatial transformation module converts the images to the YCbCr space; an input pre-convolution module modifies the number of data channels; an input multi-scale feature extraction module extracts salient features from the source images; an input filter prediction module derives multi-scale filters; and an input filter fusion and adaptive enhancement module combines the input source images to obtain the final fused result. The invention has superior fusion performance compared to several traditional fusion methods and deep learning-based fusion methods, and more importantly, it exhibits excellent real-time performance. Furthermore, various modes of photoacoustic / ultrasound fusion extension experiments have verified the effectiveness of the method proposed in the invention.
Owner:HARBIN INST OF TECH +1

Gravel equipment and control method thereof

PendingCN121154244AComputer-aided surgeryOptical reflectionExtracorporeal shock wave lithotripsy
The invention discloses lithotripsy equipment and a control method thereof. The lithotripsy equipment comprises a lithotripsy device, an optical tracking device, a display and control device and an ultrasonic imaging device, the lithotripsy device comprises a mechanical arm module, a shock wave module and a control module; the mechanical arm module and the shock wave module are both electrically connected with the control module, and the control module and the optical tracking device are both electrically connected with the display and control device. The ultrasonic imaging device comprises a handheld ultrasonic probe; the handheld ultrasonic probe is in communication connection with the display and control device; the mechanical arm module comprises a mechanical arm, the shock wave module comprises a shock wave generator, and the shock wave generator is arranged at the front end of the mechanical arm; and a plurality of optical reflection markers are arranged on the backs of the handheld ultrasonic probe and the shock wave generator. According to the lithotripsy equipment provided by the embodiment of the invention, the intelligent degree of the extracorporeal shock wave lithotripsy machine is improved, the extracorporeal shock wave lithotripsy treatment process is simplified, and the treatment positioning precision is improved.
Owner:ULTRASOUND ASSISTED MEDTECH PTE LTD

Tablet ultrasound system

Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamforming or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.
Owner:TERA TECH CORP

Phase distortion correction method for transcranial ultrasonic imaging

The invention belongs to the technical field of ultrasonic imaging, and particularly relates to a phase distortion correction method for craniocerebral ultrasonic imaging. The method comprises the following steps: acquiring ultrasonic echo data in a skull scene and a B-mode image obtained after beam forming; identifying the skull boundary of the transcranial B-mode image, and constructing a craniocerebral sound velocity model; solving a sound wave travel time matrix under the current sound velocity model on the basis of a ray theory method or an EiKonal equation, and applying the sound wave travel time matrix to beam forming to obtain an image after phase distortion correction; and a transcranial imaging result after beam forming is optimized, including space-time signal filtering processing, Doppler processing, microbubble detection positioning and tracking processing and compensation processing of signal attenuation caused by skull reverberation. According to the method, the axial blood flow velocity estimation precision can be greatly improved, the spatial resolution and saturation of an imaging result are improved, and high-quality skull imaging and hemodynamics and brain function research are facilitated.
Owner:FUDAN UNIVERSITY

All-optical ultrasonic imaging system based on phase modulation

The invention discloses an all-optical ultrasonic imaging system based on phase modulation, and belongs to the technical field of imaging. The system comprises a laser assembly, an ultrasonic detector, an interference device and an imaging assembly, the laser assembly is used for providing continuous laser for the interference device; the interference device comprises a reference optical fiber arm, a sample optical fiber arm and an optical path adjusting device and is located between the ultrasonic detector and the imaging assembly. Wherein the interference device is used for dividing laser into reference light and detection light, and transmitting the detection light to the ultrasonic detector for phase modulation; the optical path adjusting device is used for adjusting the optical path difference of the two arms, forming interference light of the reference light and the phase-modulated detection light and inputting the interference light into the imaging assembly; the ultrasonic detector is used for generating ultrasonic waves, projecting the ultrasonic waves to a to-be-detected area, and performing phase modulation on the detection light in response to ultrasonic echoes of the to-be-detected area; and the imaging assembly is used for generating a corresponding image according to the interference light.
Owner:BEIHANG UNIV +1

Dynamic sound velocity self-adaptive ultrasonic opto-acoustic bimodal imaging method and dynamic sound velocity self-adaptive ultrasonic opto-acoustic bimodal imaging system

The invention relates to the field of sound velocity, opto-acoustic and ultrasonic imaging, in particular to a dynamic sound velocity self-adaptive ultrasonic opto-acoustic bimodal imaging method and a dynamic sound velocity self-adaptive ultrasonic opto-acoustic bimodal imaging system. The method comprises the following steps: acquiring an ultrasonic signal and a photoacoustic signal; reconstructing a sound velocity distribution diagram according to the ultrasonic signal; based on the sound velocity distribution diagram, reconstructing a related time delay diagram; and reconstructing an ultrasonic image and a photoacoustic image based on the related time delay graph. The problems that a traditional sound velocity correction method is limited in application range, inconvenient to operate, high in cost, low in resolution and the like are solved; the adopted sound velocity correction algorithm is high in resolution, is suitable for various transducers of linear arrays, convex arrays, ring arrays, spherical arrays and the like, and is widely applied to most parts of a human body; cancerous tissues, normal tissues, muscles, fat and the like can be accurately distinguished; the ultrasonic and photoacoustic dual-mode imaging system is simple in structure, is not influenced by illumination, is high in sound velocity resolution and signal-to-noise ratio, supports seamless correction and registration of ultrasonic and photoacoustic dual-mode imaging, and promotes clinical application and development of ultrasonic and photoacoustic dual-mode imaging.
Owner:CHONGQING MEDICAL UNIVERSITY

Needle guide for an angled endocavity transducer

A needle guide for an angled ultrasound probe having a port tower with a plurality of needle ports aligned with an angled ultrasonic imaging plane. The needle ports in a port tower are aligned at the offset angle of the angled ultrasound probe and can support and guide a needle at the offset angle. Adjustment of the port tower along the transducer axis of the angled ultrasound probe maintains the alignment of the needle ports relative to the ultrasonic imaging plane and provides adjustment to accommodate differently sized patients. A method is also provided to securely align a needle with an angled ultrasonic imaging plane with an angled ultrasound probe such that the needle can accurately transect the ultrasound imaging plane.
Owner:EXACT IMAGING INC

Multi-channel ultrasonic imaging special integrated circuit suitable for integrated packaging

The invention belongs to the technical field of integrated circuits, and particularly relates to a multichannel ultrasonic imaging special integrated circuit suitable for integrated packaging. The application-specific integrated circuit is formed by cascading a plurality of multi-channel single chips, the multi-channel single chips adopt four ultrasonic channel input architectures, and each channel comprises an ultrasonic analog front end, an analog-to-digital converter and an ultrasonic digital signal processing module; the ultrasonic analog front end comprises four sub-modules, namely a low-noise amplifier, a voltage control attenuator, a programmable gain amplifier and an anti-aliasing low-pass filter; the analog-to-digital converter adopts a three-stage successive approximation register pipeline cascade structure to realize 14-bit digital output; the ultrasonic digital signal processing module is used for processing the ultrasonic signals quantized by the ADC, including ADC data preprocessing, data demodulation, signal interpolation and extraction, beam forming, test signal generation and the like; the number of channels is expanded through SIP packaging, and the method can be used for ultrasonic imaging of medical ultrasonic diagnosis and has high flexibility and expandability.
Owner:FUDAN UNIVERSITY

Control method and control system of ultrasonic therapeutic apparatus and ultrasonic therapeutic apparatus

The invention discloses a control method and a control system of an ultrasonic therapeutic apparatus and the ultrasonic therapeutic apparatus, and the method comprises the following steps: S1, transmitting ultrasonic waves to skins at a plurality of target positions one by one for sampling, and receiving an ultrasonic echo signal of each target position, the plurality of target positions are obtained by a transducer of the ultrasonic therapeutic apparatus moving along a skin surface area directly facing the end face of a probe of the ultrasonic therapeutic apparatus; s2, converting the received ultrasonic echo signal into an ultrasonic image; s3, skin features of each target position in the ultrasonic image are extracted, the distance between the skin of each target position and the end face of the probe is calculated, the calculated maximum distance is compared with a target threshold value, and if the maximum distance is smaller than or equal to the target threshold value, it is judged that the end face of the probe is effectively attached to the surface of the skin; otherwise, judging that the end face of the probe is not effectively attached to the skin surface. Positioning is carried out through ultrasonic imaging, it is ensured that operation is carried out in the state that the end face of the probe is effectively attached to the skin surface area, and the using effect and safety are ensured.
Owner:INNOLCON MEDICAL TECH (HEFEI) CO LTD

Ultrasonic imaging method and system for titanium alloy bar ultrasonic detection

The invention relates to the technical field of ultrasonic detection, in particular to an ultrasonic imaging method and system for ultrasonic detection of a titanium alloy bar, and the method comprises the steps: obtaining an ultrasonic detection signal of each detection point; the ultrasonic detection signals of the detection points form an initial imaging area according to the combined probing path, and a state label about amplitude deviation in the initial imaging area is recognized; performing conditional mapping on the frequency spectrum difference of each detection point and the interval time during detection by using the state label of the initial imaging area to obtain the difference classification of each detection point; according to the difference classification of each detection point, identifying the difference guidance of the current detection path, converting the corresponding detection point into a displacement component of the surface of the titanium alloy bar according to the combination position of each detection point in the difference guidance, analyzing partial data of a minimum value, a minimum value inflection point and an offset standard value of the displacement component distribution, and calculating the displacement of the titanium alloy bar. Identifying the surface defect form of the titanium alloy bar; and the titanium alloy bar defect identification accuracy and efficiency are realized.
Owner:BAOJI JUXINYUAN NEW MATERIAL CO LTD

Method and system for monitoring migration of separation grouting slurry

ActiveCN121322104AMining devicesSlurryCoal
The invention belongs to the technical field of geological engineering monitoring and multi-physics field intelligent sensing, and discloses a separation grouting slurry migration monitoring method and system, and the method comprises the steps: constructing an acoustics-optics-electricity-electromagnetism multi-physics field coupling monitoring system; a grouting hole and a monitoring drilling hole array are arranged in a target stratum, a distributed optical fiber sensor, a drilling hole ultrasonic imager, a resistivity measuring device and a transient electromagnetic detection device are installed, and a three-dimensional monitoring network is formed; synchronously acquiring sound field, light field, electric field and magnetic field data; four-field monitoring data and overlying strata multi-parameter observation data are fused, a coal seam mining three-dimensional overlying strata separation model is constructed, and a slurry diffusion three-dimensional visualization model is generated through numerical simulation; and based on the four-field monitoring response difference of the separation space before and after grouting, in combination with a monitoring frequency domain correction model of multiple indexes of grout diffusion, the diffusion range, compactness and filling effect of the grouting grout are evaluated, and abnormal early warning is triggered.
Owner:SHANDONG UNIV OF SCI & TECH +1

Ultrasonic imaging method and apparatus, computer device, medium and computer product

The present application relates to an ultrasonic imaging method and apparatus, a computer device, a medium and a computer product. The method comprises: acquiring an ultrasonic echo signal of a target area, wherein the ultrasonic echo signal is an echo signal reflected after an ultrasonic signal of a target transmitting frequency is sent to the target area; in the target area, presetting a tracer substance, and on the basis of the size relationship of the target transmitting frequency and a preset resonance frequency range of the tracer substance, determining a target imaging mode corresponding to the target area; and within a preset duration, on the basis of the target imaging mode, carrying out signal acquisition on the ultrasonic echo signal to obtain a plurality of target tracer signals, and by means of the target imaging mode, carrying out positioning tracking on each target tracer signal to obtain a target ultrasonic image. By means of the method, a high-resolution ultrasonic image can be obtained, and the accuracy and precision of the ultrasonic image can be further improved. Moreover, the method is applied to the field of medical detection, so that the detection efficiency can be improved while the detection costs are reduced.
Owner:VINNO TECH (SUZHOU) CO LTD

Apparatus, system and method for ultrasonic imaging and treatment of tissue micropathology

An apparatus, system and method are disclosed for two-dimensional (2D) and three-dimensional (3D) imaging including ultrasonic imaging and treatment of tissue micropathology within a body. An apparatus may include two or more arrays of ultrasonic transducers with a volume of tissue or other region or object between the arrays. Groups of elements in the first array are pulsed together, with the pulses time-delayed (phased) to create ultrasonic or electric beam patterns that focus the beam energy through the tissue, region or object onto individual elements of the second array. Computed tomography (CT) techniques process the signals to reconstruct a 2D or 3D structure. Micropathology within a tissue may be treated by transmitting pulses from both arrays, by pulsing groups of elements together, and / or by phasing the pulses to focus on and ablate the region of micropathology.
Owner:CALLIOPE BIOPHYSICS LLC

Insulating part defect identification method based on synthetic aperture ultrasonic imaging technology

The invention provides an insulating part defect identification method based on a synthetic aperture ultrasonic imaging technology, which belongs to the technical field of ultrasonic defect identification, and comprises the following steps: step 01, setting parameters of an ultrasonic transducer to enable the ultrasonic transducer to emit ultrasonic waves, and attaching the ultrasonic transducer to the surface of a detected insulating part; 02, connecting the ultrasonic sensor with an acquisition card, and acquiring real-time echo data by using acquisition software; step 03, importing the data into data processing software for data processing, and performing defect imaging by applying an imaging algorithm; and step 04, performing defect analysis and positioning on the formed ultrasonic image. According to the method, the accuracy, reliability and practicability of defect detection of the insulating part are remarkably improved, and more effective technical support is provided for quality control in the industrial field. Due to the automatic and intelligent characteristics of the system, the detection efficiency is greatly improved, the uncertainty caused by human factors is reduced, and the system has remarkable practical value and popularization significance.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY +2

Cervical cancer wettability risk assessment method and system based on combination of three-dimensional ultrasound and tomography ultrasound imaging

The embodiment of the invention discloses a cervical cancer wettability risk assessment method and system based on three-dimensional ultrasound and tomographic ultrasound imaging. The method comprises the steps that three-dimensional ultrasound image data and tomographic ultrasound imaging data of a target cervical region are acquired; carrying out preprocessing and image registration on the three-dimensional ultrasonic image data and the tomography ultrasonic imaging data; fusing the spatial structure information and the chromatography tissue information by adopting a weighted fusion algorithm to generate fused image data containing multi-dimensional features; performing feature extraction on the fused image data by using a feature extraction model, and combining morphological features and histological features to generate a high-dimensional feature vector; extracting hemodynamic parameters based on the three-dimensional ultrasonic image data; inputting the high-dimensional feature vector and the hemodynamic parameters into a risk assessment model to generate a cervical cancer wettability risk score; according to the risk score, outputting a cervical cancer wettability risk assessment result; and high-precision cervical cancer wettability evaluation is realized.
Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV

Array type optical fiber ultrasonic imaging system based on multi-path delay parallel detection

The invention discloses an array type optical fiber ultrasonic imaging system based on multi-path delay parallel detection, and belongs to the technical field of ultrasonic detection and imaging. The main working process of the system is as follows: continuous laser output by a laser is modulated into pulse laser to be transmitted to an optical fiber ultrasonic detector array, and ultrasonic waves emitted by an ultrasonic wave generating device act on each detection array element to cause the property change of a detection optical signal; through multi-path time delay with the optical fiber as the medium, the detection optical signal forms different transmission time in each channel, is distinguished in a time division mode and is combined into a single path to be output. After photoelectric conversion, electric signals containing multi-channel detection information are collected in parallel, the signals are analyzed at a terminal processor by means of an imaging algorithm with an array parallel architecture, information of a to-be-detected target is obtained, and image reconstruction is completed. The array type optical fiber ultrasonic imaging system has the advantages of being accurate and rapid in scanning detection, simple and compact in system structure and efficient and high-quality in image reconstruction, and large-scale and low-cost array type optical fiber ultrasonic imaging is achieved.
Owner:HUAZHONG UNIV OF SCI & TECH