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Image Noise Reduction Method for Intravascular Ultrasound System

An image noise reduction and ultrasonic image technology, applied in the directions of ultrasonic/sonic/infrasonic image/data processing, ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic diagnosis, etc., can solve difficult noise reduction processing, Increase the complexity of the system, can not effectively improve the image quality of ultrasound images, etc., to achieve the effect of reducing noise

Active Publication Date: 2021-05-07
SHENZHEN INSIGHT MED CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the processing process of the image to be processed in the above-mentioned prior art needs to use multiple images as the processing object, which increases the complexity of the system; and adopts an indiscriminate median filtering method, which is difficult to effectively filter the affected images in the image to be processed. Interfering pixels are subjected to noise reduction processing, which cannot effectively improve the image quality of ultrasound images

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  • Image Noise Reduction Method for Intravascular Ultrasound System
  • Image Noise Reduction Method for Intravascular Ultrasound System
  • Image Noise Reduction Method for Intravascular Ultrasound System

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[0031] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the drawings. In the following description, the same reference numerals are given to the same components, and repeated descriptions are omitted. In addition, the drawings are only schematic diagrams, and the ratio of dimensions between components, the shape of components, and the like may be different from the actual ones.

[0032] It should be noted that the terms "comprising" and "having" and any variations thereof in the present disclosure, such as a process, method, system, product or device that includes or has a series of steps or units, are not necessarily limited to the clearly listed instead, may include or have other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

[0033] In addition, subheadings and the like involved in the following description of the present disclosure are not intended to limit the co...

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Abstract

The present disclosure describes an image noise reduction method for an intravascular ultrasound system, which is characterized in that the intravascular ultrasound system is used to obtain the ultrasound image from the blood vessel; the original gray value of each pixel in the ultrasound image is obtained; For the first pixel area of ​​pixels, calculate the average value of the original grayscale values ​​of each pixel in the first pixel area as the average grayscale value of the first pixel area; compare the original grayscale values ​​of each pixel with those including the pixel Obtain the comparison result from the average gray value of the first pixel area, and mark the interference pixel according to the comparison result; select the second pixel area including the interference pixel, and calculate the original gray value of each pixel in the second pixel area , and use the median value to replace the original gray value of the interfering pixel. According to the present disclosure, it is possible to optimize the noise reduction process and effectively improve the image quality of the ultrasound image.

Description

technical field [0001] The present disclosure generally relates to the field of intravascular ultrasound systems, and specifically relates to an image noise reduction method for an intravascular ultrasound system. Background technique [0002] Intravascular ultrasound (Intravascular ultrasound, IVUS) system collects ultrasound images of the area to be examined in the patient's blood vessels through an ultrasound probe, so as to assist doctors in diagnosing and treating whether there is a lesion in the area to be examined and what kind of lesion exists. Specifically, the intravascular ultrasound system has an ultrasound probe capable of emitting ultrasound beams, for example, by using the ultrasound probe to transmit ultrasound beams in human blood vessels to obtain ultrasound images for displaying the tissue structure and geometry of human blood vessels. [0003] During the working process, the intravascular ultrasound system is susceptible to strong electromagnetic pulse in...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/08A61B8/12A61B8/00
CPCA61B8/12A61B8/0891A61B8/5269
Inventor 贾旋凯郑欲晓朱少东邵小虎李连波宋亮
Owner SHENZHEN INSIGHT MED CO LTD