That was really a good advice. Thank you! Further request for help with denoising Canon 7D images will be posted in the user list.
)-|algeir Den 17. des. 2013 15:57, skrev parafin: > On Mon, 16 Dec 2013 13:40:23 +0100 > Halgeir Kjønås Rennehvammen <halge...@gmail.com> wrote: > >> Denoise (profile) removes to much details for my taste so I have to use >> denoise (non local means) and the equalizer >> to get best results. >> >> To follow up the case further. The problem is on raw images from noisy >> cameras like Canon 7D on high iso levels. >> Give me a couple of days and I will dig in my archive and find those >> problematic raw images, if I still have those shots. >> >> Basically the problem was in images with iso 3200 and greater. > I try not to shoot with ISO > 1600 on my 7D, but with 1600 I usually use > these settings for denoising: > > hot pixels: threshold 0.005, strength 1.0 > demosaic: color smoothing 3 times > denoise (profiled): mode wavelets, strength 1.0, blend mode color > (opacity 100%, uniformly) > > for more noisy pictures I suggest adding second profiled denoise > instance with lightness blend mode and playing with strength slider of > both. > >> On other camera systemes with a different sensor like Pentax, Sony og >> Nikon this is a non existing problem. >> Canon sensor don't handle noise very well and the raw files is a pain to >> process i Dt. >> >> )-|algeir >> >> Den 16. des. 2013 10:42, skrev Benjamin Lefaudeux: >>> 'Hot pixels' is exactly an 'impulse noise reduction' filter, you can >>> lower the threshold if it doesn't fit your needs. Apart from that, you >>> only have to use the 'Denoise profiled' (which as something like 2 >>> useful sliders, and often works out of the box), so I don't quite see >>> why the situation is so different from LR. I don't realy see the point >>> in introducing yet another noise reduction module. >>> Benjamin >>> >>> >>> developers a message. >>> And yes I have tried before. The message is clear. Dt have to >>> improve in >>> this field. >>> And yes also I have also tried to use 'hot pixels' module several >>> times >>> but it don't always work. >>> >>> I hope that some of you have experience with other raw processor. But >>> this is the situation. >>> Lr have none of these problems and do a perfectly job with only 4 >>> sliders. Rawtherapee solves >>> this by 6 sliders in noise reduction and the white dots are removed by >>> Impulse Noise Reduction >>> filter. Both raw processor do a perfect job. >>> >>> The most easy solution in my opinion is to add a Impulse Noise >>> Reduction >>> alike tool. >>> >>> )-|algeir >>> >>> >>> >>> Den 15. des. 2013 16:11, skrev Moritz Moeller: >>> > On 15/12/13 4:01 pm, Bruno Moro wrote: >>> >> Compliments. Darktable is an excellent software and my favorite >>> for raw >>> >> images of my camera. I just feel the need for a plugin similar >>> to the >>> >> G-MICpixel-noise to reduce number of white dots in the images >>> at high ISO. >>> >> Is there something similar in Darktable? >>> > Have you tried the 'hot pixels' module? I btw. think this >>> question is >>> > for darktable-users, not darktable-devel? >>> > >>> > .mm >>> > >>> > >>> > >>> >>> ------------------------------------------------------------------------------ >>> > Rapidly troubleshoot problems before they affect your business. >>> Most IT >>> > organizations don't have a clear picture of how application >>> performance >>> > affects their revenue. With AppDynamics, you get 100% visibility >>> into your >>> > Java,.NET, & PHP application. Start your 15-day FREE TRIAL of >>> AppDynamics Pro! >>> > >>> >>> http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk >>> > _______________________________________________ >>> > darktable-devel mailing list >>> > darktable-devel@lists.sourceforge.net >>> <mailto:darktable-devel@lists.sourceforge.net> >>> > https://lists.sourceforge.net/lists/listinfo/darktable-devel >>> >>> >>> >>> ------------------------------------------------------------------------------ >>> Rapidly troubleshoot problems before they affect your business. >>> Most IT >>> organizations don't have a clear picture of how application >>> performance >>> affects their revenue. With AppDynamics, you get 100% visibility >>> into your >>> Java,.NET, & PHP application. Start your 15-day FREE TRIAL of >>> AppDynamics Pro! >>> >>> http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> darktable-devel mailing list >>> darktable-devel@lists.sourceforge.net >>> <mailto:darktable-devel@lists.sourceforge.net> >>> https://lists.sourceforge.net/lists/listinfo/darktable-devel >>> >>> > ------------------------------------------------------------------------------ > Rapidly troubleshoot problems before they affect your business. Most IT > organizations don't have a clear picture of how application performance > affects their revenue. With AppDynamics, you get 100% visibility into your > Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! > http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk > _______________________________________________ > darktable-devel mailing list > darktable-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/darktable-devel ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ darktable-devel mailing list darktable-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-devel
