Time to be with your loved ones

Time to be with loved ones

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4
votes
2answers
340 views

How to fix the exposure of a snow scene which came out gray?

I’ve got a video and a photo shot in the same day and same place. But my camera (GoPro Hero 3, 720p) doesn’t allow to customise settings and video is very poor quality. I tried to fix this using ...
9
votes
2answers
308 views

How levels and curves tools are related?

I started to use levels and curves tools quite recently and now I mostly use the second one. Mostly this is due to the fact that I understand the underlied mathematics of curves better than levels. My ...
6
votes
2answers
131 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. ...
0
votes
4answers
243 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: ...
4
votes
2answers
981 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
602 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.
1
vote
2answers
1k 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
617 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 ...
13
votes
2answers
2k 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' ...
9
votes
2answers
166 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 ...