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Image denoising plays a fundamental role in many image processing applications. Utilizing sparse representation and nonlocal averaging together is such a successful framework that leads to considerable progress in denoising. Almost all the newly proposed denoising algorithms are built base on it, different in detailed implementation, and the denoising performance seems converging. What is the denoising...
The lately popularized patch-based nonlocal (NL) image processing approach is cast into a framework of statistical context modeling, a thoroughly studied topic in data compression and information theory. The adaptation of image patch (context) to local waveform is crucial to the performance of NL-type of image processing but yet lacks a rigorous study. In this paper we propose a minimum description...
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