norishigefukushima/RandomizedRedundantDCTDenoising
real-time denoising
non-local means filter for OpenCV
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real-time denoising
This is a sample implementation of the spectral recursive filter, which is a fast and accurate constant-time Gaussian filtering algorithm proposed by K. Sugimoto and S. Kamata in 2012-2013.
Image Super-Resolution for Anime-Style-Art without NN
http://fukushima.web.nitech.ac.jp/research/separable.html