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RGB Channels

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  • Doug Nelson
    how to fix a big red band
    by Doug Nelson
    By kathleen on Wednesday, July 25, 2001 - 11:59 am:

    i am working on a color snapshot from the 70's, shot in bright sunlight that has a big fat reddish magenta band across the middle quarter . it goes across faces, clothes and some foliage.

    i am working in ps 5.5. i tried...
    08-08-2001, 12:20 PM
  • Doug Nelson
    Need tutorial for masks and channels
    by Doug Nelson
    By paulette conlan on Monday, July 09, 2001 - 03:05 pm:

    I'm trying to learn how to use channels better. On the last challenge I was particularly interested in mig's description of how they were utilized . I have some books which seem to be pretty descriptive and sometimes I get it right...
    08-08-2001, 12:08 PM
  • Panpan
    Combining channels
    by Panpan
    When looking at an individual primary channel in Photoshop, the image is lighter. Can somebody help me understand this? Something that is not perceptually neutral is happening behind the scene.

    For example, a b&w image's RGB channels all look the same when I turn on each one individually,...
    05-06-2010, 02:11 PM
  • buso23
    Combining channels
    by buso23
    After importing a picture to PS I opened the channels pallete to see what is the best channel for masking and accidentally saw a really nice combination of the red and blue channel. Now, how do I get rid of the other channels ? I really like this look and color and would like to try and play with it...
    12-28-2009, 06:11 PM
  • derekfountain
    Copying part of a channel
    by derekfountain
    As a newbie, I was having a go at challenge #44 with Photoshop 7. I got bogged down in an issue which really shouldn't be that difficult.

    The writing at the bottom of the photo needs to be removed, and, conveniently, doesn't show in the blue channel. So, just take that part of the image...
    11-29-2002, 07:40 AM