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1 vote
1 answer
122 views

Why are these color look up tables (Hald CLUT) 1600 x 1600 pixels instead of 4096 x 4096 pixels?

I imagine that exhaustive color look up tables need to be 256 x 256 x 256 = 4096 x 4096 pixels. Is that correct? If so, how are these color look up tables (Hald CLUT) only 1600 x 1600 pixels?
Ritesh Singh's user avatar
3 votes
1 answer
729 views

Confused with my monitor Picture Modes

I've recently bought my first "Designer Monitor", Benq PD2500Q (yeah I know it's probably still shit for professionals, but for me it's the first 'better' monitor). I'm very impressed by it ...
DominikK's user avatar
1 vote
3 answers
96 views

Image Color Scheme getting faded when opening with MSPaint

I have the following image (have put a screen-grab of the image as its size is more than 2 MB - the original can be downloaded from https://drive.google.com/file/d/1rC2QQBzMhZ8AG5Lp5PyrpkOxwlyP9QaE/...
techno's user avatar
  • 85
9 votes
2 answers
688 views

Why color-wheel websites (Adobe...) claim these colors are complementary

I just learn about the different color harmony styles models, and I was playing with Adobe color wheel website using the complementary style, but I'm realizing that the proposed colors are not really ...
tobiasBora's user avatar
1 vote
2 answers
2k views

sRGB mode a necessary for monitors?

I was wondering. If there's no dedicated sRGB mode on a monitor, can you still calibrate it to an sRGB color gamut for photo and video color grading? I am referring to the Cooler Master GM34CW with 95%...
William Abucay's user avatar
2 votes
3 answers
219 views

Color regrading/correction/calibration between photos for scientific color analysis using in-image palette

This question is not quite in the same vein as artistic photography but I feel that this StackExchange is best suited to answering the question. Closest questions I could find for further reading ...
user36847's user avatar
5 votes
1 answer
241 views

How can I get both monitors to look the same?

I have used Acer V247Ybip for about a year and decided to buy Acer V247bi to use for second monitor, which is basically the ...
Veliko Kosev's user avatar
1 vote
2 answers
328 views

Why does the imported JPEG from my Canon Powershot G9X Mark II on PC screen differ quite significantly from the camera display? [duplicate]

Consider the attached sample images. I took them circa 4:50 AM and 3:50 AM, respectively. On the Live View display of the Powershot G9X Mark II, they were full of light. The pictures were taken as ...
iksemyonov's user avatar
1 vote
1 answer
632 views

How to create abstract color profile to encode specific color transformation?

I have a set of images (48-bit TIFF) that are encoded in ProPhoto RGB. I have a set of alternative input color profiles (related to ProPhoto RGB, but slightly different) that I can assign to the ...
Aram Hăvărneanu's user avatar
2 votes
2 answers
3k views

What should I do with negative values when computing sRGB colors from spectra?

This question is from the computational side of things. Maybe some of you computational photography folks can help me out. If I have a normalized CIE XYZ tristimulus vector like this one: ...
kdbanman's user avatar
  • 123
3 votes
2 answers
270 views

How to avoid glare problems with insert-your-photo portfolio books?

Right now I am using the Itoya Art Profolio Expo 8.5X11 ("XP-12-8") and have my prints (Kodak Endura Lustre) and tear sheets sitting loose inside. The good thing is that the tear sheets are safe (I ...
William Entriken's user avatar
5 votes
1 answer
4k views

Human perception in color mixing

Look at this image: 50% of its pixels are blue (0, 0, 255), 50% of its pixels are yellow (255, 255, 0). When I look at my computer display from a distance where I cannot distinguish the ...
Tom Pažourek's user avatar
4 votes
4 answers
339 views

How to calibrate colors from photos for classification purpose (ICC profile)?

For a scientific study, I have to classify pictures of crop canopy in two classes: vegetation / soil. These picture are taken at several places, different times and date. The idea is to use the same ...
DJack's user avatar
  • 153