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Chapter 5. Mastering Selections, Masks, ... > Editing and Recombining Channels

Editing and Recombining Channels

You just looked at channel splitting as a means of making selections. Earlier in the chapter, you explored splitting an image into its CMYK channels for professional print jobs. Now you are going to see that splitting an image into separate channels also can be useful for color correction and for creating odd effects.

For example, you can reduce a blue cast in an image by splitting the image into its RGB channels and darkening the Blue channel. Then recombine the channels with Image > Combine Channel > Combine From RGB. See the color plate section for the original image and for its modified Blue channel counterpart.


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