[SWLUG] photo corrections help

Steve Hill steve at nexusuk.org
Fri Aug 24 09:17:50 UTC 2007


On Fri, 24 Aug 2007, Justin Mitchell wrote:

> to fix this you will need to adjust the colours back, to figure out the
> right value by hand i would load a picture in gimp, open the Curves
> editor (Tools -> Color Tools -> Curves)  you can adjust the gain of each
> seperate channel by choosing Red Green or Blue (instead of Value) and
> then dragging the upper left part of the graph up and down.

I also find the "Colour Tools -> Levels" tool's "Auto" option often gives 
very good results (sometimes with a bit of manual tweaking).  Although 
on some photos it goes very wrong so YMMV.

-- 

  - Steve
    xmpp:steve at nexusuk.org   sip:steve at nexusuk.org   http://www.nexusuk.org/

      Servatis a periculum, servatis a maleficum - Whisper, Evanescence




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