Filmscanners mailing list archive (email@example.com)
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: filmscanners: Photoshop Curves vs Levels
If the curve(s) are straight lines, linear, then I guess you should be able
to do the same adjustment in Levels.
This image appears to cry for non-linear adjustment in separate channels. I
don't think the real highlights are in skin tones.
----- Original Message -----
From: Alan Womack <firstname.lastname@example.org>
To: Majordomo leben.com <Filmscanners@halftone.co.uk>
Sent: Sunday, February 11, 2001 10:41 AM
Subject: filmscanners: Photoshop Curves vs Levels
> Last couple of days I was working on a scan from my ScanWit from Fuji
Super G 400 of my 2 year old son playing with his trucks. I had used a
couple of flash units and screwed up the light level a bit and certainly the
> The local minilab printed crap, but the expression was cute.. So into
VueScan I went, aweful. Color balance wouldn't come close, way too blue.
Also there was bad posterization in highlights from his face. I went to
MiraPhoto and found I couldn't control where it placed the actual highlights
what so ever, it was mapping the brightest part (those skin reflections) up
to 255. Obviously this wouldn't work.
> I took a look at a RAW scan from VueScan in PS and found there was a
difference in skin values or maybe 3 RGB and way too much blue. 7-10 points
more blue than red, which is typically in my children 30-40 below red when
skin tones are in the low 200 range. (the Raw scan was in the 37 to 41
> I then took up a curve that was nearly straight up to move my highlights
in tke skin into the 200 neighborhood and spent another couple hours fixing
the skin tones.
> So my question is:
> Is there a fundamental difference between using levels to stretch the
histogram versus using curves to stretch the same with a very steep line?