Method for auxiliary diagnosis of acute ischemic stroke based on CT flat scanning images

A technology for auxiliary diagnosis of ischemic stroke, applied in image enhancement, image analysis, image data processing, etc., can solve problems such as ASPECTS scoring error and insufficient quantification of scoring method, and achieve the effect of improving sensitivity

Pending Publication Date: 2021-04-02
SOUTHEAST UNIV
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Problems solved by technology

[0004] At present, clinical practice mainly relies on the naked eye observation of medical technicians, but due to the insufficient quan

Method used

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  • Method for auxiliary diagnosis of acute ischemic stroke based on CT flat scanning images
  • Method for auxiliary diagnosis of acute ischemic stroke based on CT flat scanning images
  • Method for auxiliary diagnosis of acute ischemic stroke based on CT flat scanning images

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Embodiment 1

[0026] Embodiment 1: see figure 2 , a method for auxiliary diagnosis of acute ischemic stroke based on plain CT images, the specific steps are as follows:

[0027] Step 1: Register the plain CT scan image of the brain with the standard brain template.

[0028] Specifically, step 1 includes: find out the corresponding slices at the level of the brain nuclei and above the nuclei through image similarity, standardize the slice image, remove the skull and other irrelevant regions, keep only the brain part, and compare the processed image with the standard brain SyN-based registration.

[0029] Step 2: Cover the standard brain maps of different templates with the standard brain images of the registered CT plain scan images to obtain different regions of interest, and calculate the average parameter values ​​of different regions of interest.

[0030] Specifically, step 2 calculates average parameter values ​​of different regions of interest, including average gray value, histogra...

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Abstract

The invention discloses an image processing method based on a CT (computed tomography) flat scanning image. The method assists in evaluating the CT early ischemic change degree of the head of an AIS (acute ischemic stroke) patient. According to the invention, the risk assessment of the automatic zoning and quantitative treatment of the acute ischemic stroke from the CT flat scanning images is realized, and an effective assessment method is provided for the early screening, early diagnosis and early treatment of patients with the acute ischemic stroke (AIS).

Description

technical field [0001] The invention relates to a method for auxiliary diagnosis of acute ischemic stroke based on plain CT images, belonging to the field of computer image processing. Background technique [0002] With the development of the country's economy and the improvement of living standards, the incidence of brain diseases is also increasing. Stroke, as the leading cause of death in my country, has 270 million high-risk groups in China, 12.42 million patients, 5.5 million new cases each year, more than 2 million deaths each year, 3.5 million hospital admissions each year, and more than 40% recurrence in three years. Direct medicine The cost is 40 billion / year, and the timely treatment rate is only 2%, which has become an important reason for my country's poverty due to illness and return to poverty due to illness. Although imaging technology in the field of medical devices is also improving, image post-processing still relies on cumbersome manual operations and mark...

Claims

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Application Information

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IPC IPC(8): G16H50/20G06T7/00G06T7/30
CPCG06T7/0014G06T2207/10081G06T2207/30016G06T7/30G16H50/20
Inventor 陈阳余泽晨
Owner SOUTHEAST UNIV
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