Re: [darktable-user] Strange color noise
On 26.03.2019 10:57, Stéphane Gourichon wrote: Hi Vidar, Were the suggested solutions satisfactory in fixing your problem? Yes! Using demosaicing module worked wonders :-) Regards, Vidar Hoel Le 10/03/2019 à 19.25, Timur Irikovich Davletshin a écrit : On Sun, 2019-03-10 at 19:07 +0100, Matthieu Moy wrote: - Original Message - From: "Vidar Hoel" (Please don't post images as attachments, post a link within your message to an image hosted somewhere else) White hair, spots and whiskers seems to get a touch of red, green and blue. I tried different modules in darktable, without any success of removing this "noise(?)" This looks a lot like color artefacts due to bad demosaicing. Did you try using the amaze algorithm, or vng4? Usually amaze is the best (but slow), and VNG4 eliminates more color artefacts at the cost of a slightly softer image. That is demosaicing artifacts. Try VNG4 or, if you're not happy with softer results, change "match greens" in demosaicing module settings to "local average". Amaze probably will do better job, but it depends. Timur. darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
Re: [darktable-user] Strange color noise
Hi Vidar, Were the suggested solutions satisfactory in fixing your problem? Cheers, -- Stéphane Le 10/03/2019 à 19.25, Timur Irikovich Davletshin a écrit : On Sun, 2019-03-10 at 19:07 +0100, Matthieu Moy wrote: - Original Message - From: "Vidar Hoel" (Please don't post images as attachments, post a link within your message to an image hosted somewhere else) White hair, spots and whiskers seems to get a touch of red, green and blue. I tried different modules in darktable, without any success of removing this "noise(?)" This looks a lot like color artefacts due to bad demosaicing. Did you try using the amaze algorithm, or vng4? Usually amaze is the best (but slow), and VNG4 eliminates more color artefacts at the cost of a slightly softer image. That is demosaicing artifacts. Try VNG4 or, if you're not happy with softer results, change "match greens" in demosaicing module settings to "local average". Amaze probably will do better job, but it depends. Timur. darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org -- Stéphane Gourichon darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
