Application of Motion Curve Edge Detection Algorithm in Omni-directional M-mode Echocardiography
WANG Kun① HUANG Liqin② ZHENG Xin①
①(Department of Physical and Electronic Engineering, Guangxi Normal University for Nationalities, Chongzuo 532200, China) ②(College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China)
In order to improve the detection effect of omni-directional M-mode echocardiography motion curve, this paper focuses on the research of the related issues and proposes an edge detection algorithm with fuzzy enhancement and gray system theory for the omni-directional M-mode echocardiography’s motion curve. Firstly, the improved fuzzy enhancement algorithm is used to enhance the edge information, while suppressing the noise and background. Moveover, the proposed algorithm is used to detect edges on echocardiography image based on a ststistic which is constructed by gray correlation in gray system theory. Finally, the best motion edges can be obtained by eliminating noise and connecting crack motion curve. Experimental results show that the proposed algorithm has better accuracy and strong robustness against the noise.
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