Re: [darktable-dev] Another denoising method for darktable

2018-01-07 Thread Sarge Borsch
I think it should also be compared to non-local means (with various patch size and strength settings) with some image pairs, with a reasonably faithful image comparison metric (https://github.com/kornelski/dssim for example) And AFAIK the kind of noise which is removed is not really gaussian, so

[darktable-dev] Another denoising method for darktable

2018-01-07 Thread Aurélien PIERRE
Hi, I would like to propose a new denoising method for dt : the Total Variation. It plays in the same category as the bilateral denoising : * it smoothens surfaces while retaining edges * it's very efficient to recover chroma noise and noise in bokeh areas without affecting too much the i