Is put forward based on the Laplacian of Gaussian (LoG) Laplacian of Gaussian, operator edge detection of global binarization method carries on the processing, the method by extracting image edge part of the pixel gray image binarization threshold. Processing results show that compared with traditional methods, this method can quickly good threshold binarization, better distinguish between target and background, to a great template within the width of the image binarization results are satisfactory.

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log_edge1.m

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