View Full Version : Levels or Curves or both?
gmwinder
2nd of February 2008 (Sat), 09:52
Do you use levels, curves or both and if so, in which order. It seems I do get different results using both. Typically I do levels first and then curves. Just curious to see other's opinions.
Gary
René Damkot
2nd of February 2008 (Sat), 10:37
I prefer curves. way more control IMO.
Tsmith
2nd of February 2008 (Sat), 10:39
me too
freebird
2nd of February 2008 (Sat), 12:00
Both are good. I prefer using curves.
Lowner
2nd of February 2008 (Sat), 13:30
I always look at the levels first, bringing the two ends into the histogram. Although doing this in Photoshop 7 creates a load of "holes" in the histogram and it's far better done in DPP at 16 bit depth before exporting to PS.
I'll use curves several times during post processing, maybe "many" times depending on what I'm trying to achieve. I do this via adjustment layers with important images.
Richard
Perry Ge
2nd of February 2008 (Sat), 13:39
I use both, but lately I've been using local contrast enhancement (defogging) a lot before I adjust levels, and I find that it does a better, more selective job of enhancing contrast than an S-curve, giving images more 'pop' whilst still maintaining natural colours and contrast levels. It can be easy to go overboard with curves. I then adjust levels, and this way, I find that colours stay more natural and don't get as oversaturated as they do with curves.
Having said that, not knocking curves in any way, still a vital tool.
Rubi Jane
2nd of February 2008 (Sat), 13:40
I always look at the levels first, bringing the two ends into the histogram. Although doing this in Photoshop 7 creates a load of "holes" in the histogram and it's far better done in DPP at 16 bit depth before exporting to PS.
I'll use curves several times during post processing, maybe "many" times depending on what I'm trying to achieve. I do this via adjustment layers with important images.
Richard
Pretty well ditto for me. Levels for the ends of the histogram and curves for multiple adjustments and colour correction if I have a JPG with CB issues.
René Damkot
2nd of February 2008 (Sat), 14:55
and don't get as oversaturated as they do with curves.
Use an adjustment layer, and set blending mode 'Luminosity'...
Nice read on adjustment layers: Here (http://graphicssoft.about.com/gi/dynamic/offsite.htm?zi=1/XJ/Ya&sdn=graphicssoft&cdn=compute&tm=24&f=00&su=p284.8.150.ip_&tt=14&bt=0&bts=0&zu=http%3A//www.creativepro.com/story/feature/22295.html%3Fcprose%3Ddaily).
Of course a contrast adjustment is way different from local contrast adjustment.
rajah sulayman
2nd of February 2008 (Sat), 15:22
I'll make a cursory level check and if the histo ends are way out I'll bring them in. But this tends to be pretty rare.
Curves, meanwhile, I'll tweak to an extent in almost every image I do post on. Usually nothing more than a slight s-curve, but it's still an oftenly-used adjustment.
Damo77
3rd of February 2008 (Sun), 17:56
I used to use Levels first, then Curves for fine-tuning. Now there's a histogram in the Curves dialog in CS3, I hardly use Levels any more.
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