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Posted

How fix this colour changed photo? curtain is white and left candle is blue and phone is cream. i ask what tool is correct such discoloured photos.(is scan from paper).

mistä_korajta-hääkukat.png

Posted

Add a levels adjustment.

make the histogram visible.

adjust black and white level, individually per color channel, so the histogram stretches the whole area from left to right.

add another levels adjustment. Adjust gamma per channel

If you know the actual colors of certain onjects, use the info panel, set to hsl, to check if colors are numerically correct.

skin tones around hue 30 +-15

add curves for additional fine tuning.

 

 

Before

A6E21232-D680-41DF-ACB5-D0327B64141D.thumb.png.6488f5fdaa1dab6b6b48d436fb44f45c.png

after first levels

5132DD98-EB71-43E0-8D38-6A814EA18067.thumb.png.37607d200c8b7a9d0483d6fbed567aa8.png

after gamma correction

E696ED81-BA1C-42F0-AFCE-B78FEABE9F42.thumb.png.b20bd973da1eba2673c7be45231c9915.png

Mac mini M1 A2348 | MBP M3 

Windows 11 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080

LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 | Dell 27“ 4K

iPad Air Gen 5 (2022) A2589

Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps.

I use iPad screenshots and videos even in the Desktop section of the forum when I expect no relevant difference.

 

Posted

If using a digital camera to scan printed images, set the picture style (canon) to „neutral“ and deactivate any optimizations. Ensure a suitable light source, and check color temperature is set correctly. Take a test shot of white paper. Use RAW format, process in camera vendor RAW app, export as tiff/16.

 

Mac mini M1 A2348 | MBP M3 

Windows 11 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080

LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 | Dell 27“ 4K

iPad Air Gen 5 (2022) A2589

Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps.

I use iPad screenshots and videos even in the Desktop section of the forum when I expect no relevant difference.

 

Posted

See if these 4 Auto correct buttons get you where you want to be

 

autoc.png

cc.jpg

To save time I am currently using an automated AI to reply to some posts on this forum. If any of "my" posts are wrong or appear to be total b*ll*cks they are the ones generated by the AI. If correct they were probably mine. I apologise for any mistakes made by my AI - I'm sure it will improve with time.

Posted

☛ Affinity Designer 1.10.8 ◆ Affinity Photo 1.10.8 ◆ Affinity Publisher 1.10.8 ◆ OSX El Capitan
☛ Affinity V2.3 apps ◆ MacOS Sonoma 14.2 ◆ iPad OS 17.2

Posted

Pro Contrast from the old Google Nik collection.

fix_ccast.jpg.152e978d77c3c87413da9fff730ca1e4.jpg

Lately I've seen people fix colorcasts using sites/programs that do automatic colorization. Sometimes the results are good.

2 hours ago, Michail said:

2.) Colour Balance:

image.png.0d13aef7e754a3edd2d45074d7620db6.png

Very interesting @Michail. There seems to be a linear relationship between the 3 points.

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