Le 17/08/2015 10:32, Gonçalo Marrafa a écrit : > My main concern with denoise(profiled) is that, removing only chroma > noise, it actually increases the noise. That can't be normal. Even > more so since i'm using the approach recommended in the user manual, > two instances with different blending modes.
Hello, Just to mention that, having used darktable for years now I consistently felt that applying denoising to color or chroma only resulted in images that appeared to have increased luminance noise. This was not specific to profiled denoise (similar effect observed with bilateral filtering). The "non-local means" module has a dedicated luma/chroma sliders which avoid this effect. It might be interesting to perform experiments and/or measurements to see if this effect is real. Has anyone similarly felt that applying a module to chroma only increased luma noise ? Cheers. -- Stéphane Gourichon ------------------------------------------------------------------------------ _______________________________________________ Darktable-users mailing list Darktable-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-users
