On Wed, Nov 1, 2017, at 10:10, Gregory Lee wrote: > Juan: Similar to non-local means, BM3D looks at the similarity > between all patches in a local neighborhood. However rather than > simply computing weights based on the patch difference, similar 2D > patches are grouped into a 3D stack of patches (thus the 3D in BM3D). > This stack of similar patches is transformed with a sparsifying > transform, the coefficients are thresholded, the transforms is > inverted and then finally there is aggregation of the denoised > patches. This leads to substantial improvement over non-local means. I chatted to the author of SPORCO at SciPy---it looks like a great package, and may be useful here: http://bwohlberg.github.io/sporco/
Stéfan
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