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Author Topic: TUTORIAL: How to use LAB channels in RGB.  (Read 50299 times)

Offline Sharon

  • OPR Newbie
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  • Posts: 43
Re: TUTORIAL: How to use LAB channels in RGB.
« Reply #15 on: December 03, 2015, 09:46:10 AM »
The screen shots are missing.  Can they be put back.  Please, please.  :-)

Offline Hannie

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  • Posts: 4800
Re: TUTORIAL: How to use LAB channels in RGB.
« Reply #16 on: December 03, 2015, 10:21:55 AM »
Hi Sharon,

this topic is quite old, 2007 actually. 

Unfortunately sometimes the images disappear from old topics. 
We have no control over that, it is up to the individual volunteer to make sure the images remain in topics, especially if it is a tutorial.

Hannie
Hannie Scheltema
Distribution Coordinator
hannie@operationphotorescue.org

Offline Tori803

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    • My Blog
Re: TUTORIAL: How to use LAB channels in RGB.
« Reply #17 on: December 03, 2015, 09:47:57 PM »
I saw a good video on YouTube once about using LAB, but I've forgotten the exact link. You might try googling "YouTube Using LAB color" for some suggestions.

Tori
Tori
"Nothing in the world can take the place of persistence." -Calvin Coolidge

Offline Blackadder

  • OPR Newbie
  • *
  • Posts: 3
Re: TUTORIAL: How to use LAB channels in RGB.
« Reply #18 on: May 04, 2018, 09:00:07 AM »
Be sure also to check out the Curvemeister plug-in, that lets you use all sorts of mask (including, Lab, CMYK, HSL and HSB). Using the S-channel from the HSL space is very nice for identifying and repairing colour damage (spots etc).

Offline Mhayes

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Re: TUTORIAL: How to use LAB channels in RGB.
« Reply #19 on: May 04, 2018, 10:29:50 PM »
Sharon, at some point we may need to clean up, as in delete old Forum posts. Recently we lost images when a photo sharing site wanted $400 ransom a year in order for people to keep using their site. However, on really old Forum posts it is a case of volunteers changing/deleting their folders where they kept the photos and the link gets broken. Those are lost forever and the post is no longer relevant.

Margie
"carpe diem"

Margie Hayes
OPR President
mhayes@operationphotorescue.org