[1980] theory of edge detection [1983 Canny Thesis] find edge [1986 PAMI] A Computational Approach to Edge Detection[1990 PAMI] Scale-space and edge detection using anisotropic diffusion[1991 PAMI] The design and use of steerable filters[1995 PR] Multiresolution edge detection techniques [1996...
Though edge detection is an indispensable part in image processing, no definite method still exists. Existing methods can not detect edge precisely when contrast changes largely within the object due to non-uniform illumination. Geman and Geman applied a line process to express the discontinuity in ...
How can i get clear straight line edge detection... Learn more about image processing Computer Vision Toolbox, Image Processing Toolbox
Though edge detection is an indispensable part in image processing, no definite method still exists. Existing methods can not detect edge precisely when contrast changes largely within the object due to non-uniform illumination. Geman and Geman applied a line process to express the discontinuity in ...
I want to find the edge of a line image, but If i detect with canny and sobel, thats not suitable, not straight but the problem is the line still irregular lines,,, I NEED M-FILE CODING : How to straighten out the jagged lines on the edges and...
A general overview of the state of the art of edge detection has been proposed in [6] (1998). It mainly focuses on local methods, while contextual and global techniques, such as edge grouping according to Gestalt laws or active contours, are not discussed in depth. Preprocessing aimed to ...
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Edge detection is an old and hot topic in image processing, pattern recognition and computer vision. Numerous edge detection approaches have been proposed ... Liang,Jian Yong - 《Applied Mechanics & Materials》 被引量: 19发表: 2014年 Edge Detection with Sub-pixel Accuracy Based on Approximation...
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In this paper, an anomaly detection method for transmission lines based on computer vision is proposed. Firstly, the original image is transformed into gray level, then the image quality is optimized by Gamma correction strategy, the line edge information is extracted by Canny algorithm, and the ...