An image processing method to extract sub-pixel wing edges for the images of high-speed insects is proposed.With the method,sub-pixel positions of weak wing edges are extracted as follows:the noises are eliminated using gauss filtering at first,then the wing edges are enhanced using fuzzy-wavelet enhancement method,finally the image gray gradient is calculated,and the gradient extremum is detected along the gradient change direction.Also the wing edges detection result is presented by wavelet theory.The exp...
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