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Single-image blind deblurring could be considered as an important preprocessing step in imaging information fusion. Its purpose is to simultaneously estimate blur kernel and latent sharp image from only one observed blurred image. Blind deblurring has been attracting increasing attention in the fields of image processing, computer vision, computational photography, etc. However, it is a typically...
Low-dose computed tomography (LDCT) images tend to be severely degraded by excessive mottle noise and steak artifacts. In this paper, an algorithm of modified smooth patch ordering (MSPO) is proposed to improve the LDCT images. In the MSPO method, the non-local means (NLM) algorithm is modified by replacing the Leclerc robust function with the modified bisquare robust function, to serve as weight...
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