On 13-02-19 01:56 PM, Denis Cheremisov wrote: > Hi, I was playing with different chroma denoise methods in order to > achieve something that is close to commercial raw software, such as DxO, > C1, LR and in Rawtherapee. The chroma denoiser in equalizer seems to do > the job quite good, but I have discovered the AMAZE demosaic in DT > causes excessive noise compared to one in Rawtherapee. > Comparison screenshot attached. DT on the left, RT on the right. I used > color smoothing = 5 in both cases and match greens was set to "full and > local average", which, from what I have seen, provides the smoothest > result. Sharpening was set to 0 in both cases. > In conclusion I can say this DT chroma noise is really hard to remove. > When I was playing with artificial noise it was enough to apply median > filter for a and b channels in Lab to eliminate it. This isn't the case > for DT output. > What's the difference (between DT and RT AMAZE implementations)? > Thanks in advance.
I have found that applying a touch of raw denoise before doing any other denoising seems to work wonders. However, this is likely sensor specific. Jack ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ darktable-devel mailing list darktable-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-devel
