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A new stochastic nonlocal denoising method based on adaptive patch-size is presented. The quality of restored image is improved by choosing the optimal nonlocal similar patch-size for each site of image individually. The method contains two phase. The first phase is to search the similar patches base on adaptive patch-size. The second phase is to design the denoising algorithm by making use of similar...
The proposed image denoising method investigates a novel similar block searching strategy based on non-local Markov-Chain Monte Carlo (MCMC) sampling with alterable direction. Firstly, observed image is decomposed with 2-D wavelet transform to obtain a series sub-band images in spatial Following, the similar matching block clusters of each sub-band image in spatial are obtained by taking the different...
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