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Left ventricle segmentation method and system for medical imaging and computer readable storage medium

A technology of medical imaging and left ventricle, which is applied in the field of image processing, can solve the problems of high time consumption and low precision, and achieve the effect of less time consumption and improved search speed

Inactive Publication Date: 2018-11-16
SHENZHEN UNIV
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a left ventricle segmentation method, system and computer storage medium for medical imaging, which are used to solve the technical problems of low accuracy and time-consuming segmentation of images with blurred boundaries in existing image segmentation techniques

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  • Left ventricle segmentation method and system for medical imaging and computer readable storage medium
  • Left ventricle segmentation method and system for medical imaging and computer readable storage medium
  • Left ventricle segmentation method and system for medical imaging and computer readable storage medium

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Embodiment Construction

[0041] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0042] Due to the technical problems of low precision and time-consuming when segmenting images with blurred boundaries in the prior art. In order to solve the above technical problems, the present invention proposes a left ventricle segmentation method for medical imaging.

[0043] see figure 1 , which is a schematic flowchart of a method ...

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Abstract

The invention belongs to the field of image processing, and discloses a left ventricle segmentation method for medical imaging. The method comprises the steps of constructing a left ventricle standardtemplate library by using a heart image, then constructing particle swarms and a sparse constraint objective function, obtaining the deviation between a candidate region corresponding to each particle and the left ventricle standard template library through solving the objective function, obtaining a particle with the minimum deviation in multiple iterative particle swarms according to the deviation between the candidate region of each particle in the particle swarms and the left ventricle standard template library so as to obtain the particle with the highest similarity with the left ventricle standard template library, and updating the state of each particle; and finding out the optimal particle through multiple iterations, then determining the boundary of the left ventricle contour according to the optimal particle so as to obtain a left ventricle region to be segmented of the heart and realize left ventricle segmentation of the heart image. The method can deal with a problem of segmentation for images with fuzzy boundaries, completes left ventricle segmentation for an MR image and can be applied to quantitative analysis of cardiovascular diseases.

Description

technical field [0001] The present invention relates to the field of image processing, in particular to a medical imaging left ventricle segmentation method, system and possible computer storage medium. Background technique [0002] Medical imaging of the heart, such as cardiac magnetic resonance imaging (Magnetic Resonance Imaging, MRI), is an important means of medically assisting cardiovascular diagnosis and treatment. The left ventricle plays an important role in the cardiovascular circulatory system. By dividing the left ventricle and quantifying information such as the volume and blood output of the left ventricle, cardiovascular diseases can be effectively diagnosed. [0003] For the left ventricle segmentation task in cardiac medical imaging, the boundary between the endocardium and adventitia of the left ventricle is difficult to distinguish from the background, making the segmentation of the left ventricle a difficult point in medical image segmentation. In the ex...

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Application Information

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IPC IPC(8): G06T7/11G06T7/13G06T7/136G06N3/00
CPCG06N3/006G06T7/11G06T7/13G06T7/136G06T2207/30048
Inventor 杨烜郭伟裴继红
Owner SHENZHEN UNIV
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