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Median filter is a well-known nonlinear filter. The key problem of the application of the median filter in image denoising is the selection of the filter window size. A larger filter window of the median filter will enhances its power in suppressing noise but in preserving edges. In this paper, a multiscale median filter is presented. The advantage of this filter is that though a large filter window...
Blind image quality assessment refers to the problem of evaluating the visual quality of an image without any reference. In this paper, we present a no-reference blur metric for images and video using information contained in the image itself. We look at the sharpness of the sharpest edges in the blurred image, which contains information about the blurring, and is not on the image contents. The experimental...
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