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For some images, the commonly used edge detection algorithm sometimes can not be...

yaya
2010-12-20 22:54:46
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For some images, the commonly used edge detection algorithm sometimes can not be an appropriate threshold for the gradient of their smaller fuzzy edge detected. To solve this problem, there are two solutions: the image variance standardization, widening the fuzzy edge of the gradient value, or by setting the sigmoid function pixel region to disseminate the message to the gradient values to adjust, on the can find a suitable threshold, effectively extracted fuzzy edge. This procedure of these two algorithms with the traditional algorithm.
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byjc.txt1.85 kB26-10-08|18:41
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For some images, the commonly used edge detection algorithm sometimes can not be... (1.11 kB)

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