The curves tag has no wiki summary.
6
votes
2answers
102 views
How do objects in the dark come up when post processing?
I took one shot of oil lamps. Partial metering mode was used and I focused on the bright yellow light, as expected the image was captured with only the light and its immediate surroundings visible.
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0
votes
3answers
150 views
Does the curves tool in Photoshop (or any software) do anti-aliasing?
I'm not talking about drawing smooth curves here, but rather the curves tool used for adjusting color levels. An illustration will be worth a thousand words, here. This is an adjustment in Gimp:
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3
votes
2answers
684 views
What is a “Slanted S” in a curves layer?
I am trying to do a Photoshop tutorial, seems easy, but I can't understand one phrase: `First, I add a curves layer and create a slanted S. What does slanted S mean? Maybe I should "write" S in curves ...
4
votes
2answers
420 views
How to interpret various curves present in post-processing applications?
Could anyone to explain me or point me to some resource which explains how to interpret various curves in post-processing applications ? I'm using UFRaw, and RawStudio.
11
votes
2answers
1k views
How does the Curves tool work in GIMP?
I started using GIMP recently, and came across an option called Curves under the Colors menu. What does this tool do, and how do I use it correctly?
I get some good colors if I make a graph in 'S' ...
1
vote
2answers
836 views
Is there a way to get Gimp to use color curves from a Technicolor CineStyle S-curve lookup table?
Is there a way to import a Technicolor CineStyle S-curve lookup table in Gimp->Color->Curves?
The lookup table is just a text file with 256 lines, with a numeric value (0..255) on each line:
0 ...
2
votes
1answer
505 views
How exactly do RGB curves work and interact w/each other in Photoshop?
So I understand how a single curve works:
If you create a curve such that R100 (in) becomes R50 (out), every pixel that has an R value of R100 becomes R50.
Similar deal with the RGB curve:
if you ...
8
votes
1answer
1k views
In ufraw, how to use the two curves?
I have a basic understanding of curves. That is, I know the mathematical concept behind them, and I have an idea what happens when I change them. But this knowledge came from sources which assumed ...
8
votes
2answers
138 views
Preserving texture in shadows with levels/curves
I have the following image, and I would like to preserve a little bit of texture in the shadows.
As you can see (hopefully), the darkest parts of the image have gone to a solid black. There is some ...
