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High-frame-rate ultrasonic image blood vessel wall motion detail tracking method, system and device and readable storage medium

A technology for ultrasonic images and blood vessel walls, applied in the directions of ultrasonic/sonic/infrasonic image/data processing, ultrasonic/sonic/infrasonic Permian technology, organ movement/change detection, etc. To reflect the details of blood vessel wall motion and other issues, achieve the effect of repeated analysis, flexible execution, and avoid time complexity

Pending Publication Date: 2022-03-01
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In practical applications, logic algorithms are gradually replaced by non-logic algorithms. The reason is that there are speckles and nonlinear signals in ultrasound images, which are noise signals for the similarity calculation of ultrasound images, which will seriously affect the quantitative analysis of similarity.
Furthermore, another problem facing vessel wall motion tracking at this stage is that the frame rate of ultrasound images collected by line scan is only about 40Hz, which is not enough to reflect the movement details of the vessel wall

Method used

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  • High-frame-rate ultrasonic image blood vessel wall motion detail tracking method, system and device and readable storage medium
  • High-frame-rate ultrasonic image blood vessel wall motion detail tracking method, system and device and readable storage medium
  • High-frame-rate ultrasonic image blood vessel wall motion detail tracking method, system and device and readable storage medium

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Embodiment

[0054] The present invention provides a method and system for tracking the details of blood vessel wall movement in high frame rate ultrasound images. In order to clarify the purpose, technical solution, and achieved effects of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments . It should be noted that the embodiments described below are only used to explain the present invention, but not to limit the present invention.

[0055] The method for tracking the details of blood vessel wall motion in high frame rate ultrasound images provided by the present invention, such as figure 1 As shown, it specifically includes four steps: high frame rate ultrasound imaging, singular spatio-temporal filtering, vessel wall motion tracking, and tracking result analysis.

[0056] 1. High frame rate ultrasound imaging uses plane wave imaging combined with multi-angle composite methods to obtain ul...

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Abstract

The invention discloses a high-frame-rate ultrasonic image blood vessel wall motion detail tracking method, system and device and a readable storage medium. High-frame-rate ultrasonic imaging is carried out on a blood vessel wall to form a cluster of images, filtering based on singular value decomposition is carried out on the cluster of images, a multi-dimensional matrix for describing information of each frame is recombined, and the multi-dimensional matrix is recovered into the cluster of images; initializing the image, selecting a point on the blood vessel wall of the first frame of image as a central point of a tracking block, defining the size of the tracking block, and selecting the maximum cross-correlation value as a tracking result through cross-correlation calculation to obtain a matched central point and a corresponding image block; analyzing the horizontal and vertical coordinates of the image center point of the tracking result to analyze the heart rate or the vascular elasticity or dynamically playing the tracking result, and observing the image information. And through high-frame-rate imaging, motion detail information of tracking records is increased. And the accuracy of motion tracking is effectively improved by combining the difference between the tissue and blood flow components in the ultrasonic image and the random noise.

Description

technical field [0001] The invention belongs to the technical field of blood vessel wall motion tracking in ultrasonic angiography, in particular to a method, system, device and readable storage medium for tracking the details of blood vessel wall motion in high frame rate ultrasound images. Background technique [0002] With the change of people's lifestyle and eating habits, more and more people will develop vascular-related diseases, such as thrombosis, vascular plaque, atherosclerosis and other diseases. If the corresponding vascular disease occurs in the arteries, it will cause more serious consequences. The same clinical manifestation of these diseases is that the elasticity of the blood vessels changes, that is, the arterial blood vessels become weak with the pulsation of the heart ejecting blood, and the displacement of the blood vessel wall will be very small in one pulsation. [0003] In the existing clinical imaging technology, B-mode ultrasound image, as a tradi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08
CPCA61B8/0891A61B8/02A61B8/485A61B8/52
Inventor 贠卫国马祎欣
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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