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Method for positioning and segmenting cerebellar earthworms in ultrasonic image

A technology of ultrasonic images and vermis, applied in the field of medical image processing, can solve problems such as no computer automatic processing method, the effect is not necessarily fine, and the accuracy cannot be guaranteed, so as to reduce the operation of positioning and marking the edge contour, and reduce the error , the effect of improving accuracy and efficiency

Active Publication Date: 2021-01-22
DALIAN UNIV OF TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no known effective automatic computer processing method for the problem of ultrasonic image positioning and segmentation of cerebellar vermis, and it is all manually positioned and segmented
This requires professional knowledge reserves, and it takes a lot of time, and the effect is not necessarily fine, so the accuracy cannot be guaranteed

Method used

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  • Method for positioning and segmenting cerebellar earthworms in ultrasonic image
  • Method for positioning and segmenting cerebellar earthworms in ultrasonic image
  • Method for positioning and segmenting cerebellar earthworms in ultrasonic image

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Embodiment Construction

[0051] In order to make the technical solutions and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:

[0052] Such as Figure 1 to Figure 3 Shown is a positioning and segmentation method of the cerebellar vermis in an ultrasound image. During the implementation process, the initial search area determined in the human brain ultrasound image according to the input corpus callosum information, and then an initial search for the cerebellar vermis is performed in this area, The initial positioning results of the cerebellar vermis are obtained as follows: Image 6 As shown, according to the initial search results, the fine search area of ​​the vermis of the cerebellum is obtained, and the fine search is performed, and the fine search positioning results are obtained as follows: Figure 8 As shown ...

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Abstract

The invention discloses a method for positioning and segmenting a cerebellar earthworm part in an ultrasonic image. The comprises the following steps of: obtaining a human brain ultrasonic image and corpus callosum size and position information in the ultrasonic image, reading a cerebellar earthworm part image, and generating a cerebellar earthworm part average template image through an adversarial neural network; according to the corpus callosum position information, an area with a small pixel mean value is selected as an initial search area of the cerebellar earthworm part, reducing the position information Loc of the cerebellar earthworm part relative to the corpus callosum direction; taking the average template size of the adaptive cerebellar earthworm as the size of the initial searchresult of the cerebellar earthworm; performing adaptive template size sliding window search by adopting a new similarity comparison algorithm so as to obtain a cerebellar earthworm fine search result; and carrying out outer contour graph fitting on the direction position information Loc and the morphological characteristics of the cerebellar earthworm part to obtain an initial contour of the cerebellar earthworm part, and carrying out smoothing processing on the accurate contour to finally obtain cerebellar earthworm part contour information.

Description

technical field [0001] The invention relates to the field of medical image processing, in particular to a method for positioning and segmenting cerebellar vermis in an ultrasonic image. Background technique [0002] With the wide application of computer technology in medicine, the earlier manual segmentation of images is gradually replaced by computer automatic segmentation. At present, how to detect whether the fetal cerebellar vermis is developing normally, usually manually locate and segment the cerebellar vermis area in the ultrasound image, and calculate its outline length, area and other characteristic information to detect whether the development is normal. How to accurately and efficiently locate the vermis of the cerebellum, automatically segment it, and extract position and contour information has become a key issue. At present, there is no known effective computer automatic processing method for the problem of ultrasonic image positioning and segmentation of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/13G06T7/149G06T7/00
CPCG06T7/13G06T7/149G06T7/0012G06T2207/10132G06T2207/20116G06T2207/30016G06T2207/30044
Inventor 刘斌王淇锋
Owner DALIAN UNIV OF TECH
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