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Method for detection and recognition of cerebral microbleeds based on machine learning in swi images

A machine learning and bleeding point technology, applied in the computer field, can solve the problems of low reliability, time-consuming and labor-intensive CMBs lesions, and achieve the effect of strong repeatability and avoiding the interference of subjective factors

Active Publication Date: 2021-10-19
NORTHEASTERN UNIV LIAONING
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Problems solved by technology

Avoid the time-consuming and labor-intensive and low reliability problems of clinicians manually identifying CMBs lesions

Method used

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  • Method for detection and recognition of cerebral microbleeds based on machine learning in swi images
  • Method for detection and recognition of cerebral microbleeds based on machine learning in swi images
  • Method for detection and recognition of cerebral microbleeds based on machine learning in swi images

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Embodiment Construction

[0073] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments.

[0074] In this embodiment, a microbleed based on a brain SWI image is taken as an example for detailed description.

[0075] Such as figure 1 As shown, in this embodiment, a method for detecting and identifying cerebral microbleeds based on SWI images of machine learning, specifically, the method includes the following steps:

[0076] S1. Establish a SWI image training library, read any SWI image in the training library, and perform preprocessing.

[0077] The read Susceptibility-weighted Imaging (SWI) image is preprocessed by normalization, image enhancement, and denoising to remove interference factors as much as possible.

[0078] Specifically, step S1 includes the following steps:

[0079] S1a. Based on an adaptive image histogram equalization algorithm, perform contrast enhancement preprocessing on...

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Abstract

The invention discloses a method for detecting and identifying cerebral microbleeds in SWI images based on machine learning, which comprises the following steps: establishing a SWI image training library, reading any SWI image in the training library, and performing preprocessing; The image is processed to remove the skull image to obtain the SWI brain tissue image; obtain the microbleed candidate point area in the SWI brain tissue image; perform feature extraction on the extracted microbleed candidate point area to obtain the feature value of the microbleed point; use random forest Methods Training was carried out to obtain the classifier model of cerebral microbleeds; the SWI images to be identified were read and put into the classifier model of cerebral microbleeds for identification, the classification results of the SWI images to be recognized were obtained, and the information of cerebral microbleeds was output. This method solves the problems of time-consuming, labor-intensive, low reliability and repeatability for clinicians to manually identify CMBs lesions, and has important application value.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a method for detecting and identifying cerebral microbleeds based on SWI images of machine learning. Background technique [0002] Cerebral microbleeds (Cerebral Micro-bleeds, CMBs) is a kind of tiny cerebrovascular lesions that lead to the deposition of hemosiderin in the blood of the brain, which widely exists in the patient's cortex, subcortical white matter and basal ganglia, etc. area, it will cause some damage to the corresponding brain tissue, which may cause cognitive dysfunction. At the same time, it is also one of the important risk factors for ischemic stroke. The existence of CMBs is highly correlated with the degree of loosening of white matter in the brain, and has become an important indicator for doctors to formulate anticoagulant and antiplatelet treatment plans as a reference. Therefore, the study and diagnosis of CMBs are considered to be helpful in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62G06T7/11G06T7/136G06N20/00
CPCG06T7/11G06T7/136G06T2207/20081G06T2207/10088G06T2207/30016G06F18/24G06F18/214
Inventor 孝大宇张淑蕾王超康雁
Owner NORTHEASTERN UNIV LIAONING
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