Texture is one of the most important characteristics used in identifying objects or regions of interest in an image.Based on the fact that there is a high difference between a sharp image and its blurred version in texture features,a novel no-reference image blur metric based on the texture features is proposed.The key idea of the proposed method is to blur the original image with a weak and a strong low-pass filters,and then to compute the blur metric based on the texture feature variation between the two ...
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