Jaimoe Posted September 26, 2020 Share Posted September 26, 2020 (edited) Hi, I tried to find it by moving there and back, but couldn't: contribution slider on denoise filter is a mistery to me, how does it differs from amount slider? It looks to me that both sliders just affect the amount applied, be it luminance of colour denoise. Edited September 26, 2020 by Jaimoe Typing Error KLE-France 1 Quote Link to comment Share on other sites More sharing options...
Staff DWright Posted September 29, 2020 Staff Share Posted September 29, 2020 The Luminance Contribution slider is use to adjusts only the brightness of the coloured pixels. The Colours Contribution slider controls how much of the overall chrominance noise reduction is added to the image. The link below is to an article explaining these types of noise in more detail and wirer they normally occur in photos https://contrastly.com/understanding-noise-reduction/ Ron P. 1 Quote Link to comment Share on other sites More sharing options...
Jaimoe Posted October 2, 2020 Author Share Posted October 2, 2020 Thank you for trying to answer. It took me time to read this article, yet I'm trying to understand what is "contribution" in Affinity Photo, how it differs from plain measure of amount, controlled by the other slider. KLE-France 1 Quote Link to comment Share on other sites More sharing options...
Jaimoe Posted October 3, 2020 Author Share Posted October 3, 2020 I found this interesting article https://www.photography-raw.com/affinity-photo-develop-persona-raw-editor/ which states that sum of details and contribution should be 100%. There is no in-software limitation for this settings. I am trying to do something by trial and error, and am still away from satisfactory results. Pity there is no more avvailable sources as it seems many people use AP. Quote Link to comment Share on other sites More sharing options...
lepr Posted October 3, 2020 Share Posted October 3, 2020 On 9/26/2020 at 5:36 PM, Jaimoe said: Hi, I tried to find it by moving there and back, but couldn't: contribution slider on denoise filter is a mistery to me, how does it differs from amount slider? It looks to me that both sliders just affect the amount applied, be it luminance of colour denoise. Contribution slider is simply an opacity control. Quote Link to comment Share on other sites More sharing options...
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