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Filter Factory Tactical Masking - part 6 of 1 2 3 4 5 6

by Mike McNamee Published

All of the above possibilities caused Dan Margulis to title one of the chapters in his colour correction book as 'Every File Has Ten Channels'. These are, of course, R, G, B, C, M, Y, K, L, a and b. The black channel of an image often has interesting characteristics when different types of coloured ink replacement are used - it's always worth a look before you dive in!

The techniques outlined on the previous pages culminated in the final before and after image shown above. However, the method is not limited to the retouching of portraits. As the next page shows, it can be used to effect on natural history shots as well. Here the highlights produced by the flash on the waxy leaf are a little obtrusive. A modified blue channel was used as a basic mask along with a pattern generated from the leaf (shown below). This was then brushed into the highlight areas through the group layer mask (see Layer Palette screen grab on next page). This was a far simpler task than, say, cloning.

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last update 09/12/2022 14:54:15

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