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Adobe Photoshop Elements 8: Maximum Performance by Mark Galer

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images

The Apostles – the finished image together with the starting image and the red and blue channels.

The red channel is employed to enhance the sky while using the blue channel to mask the effects.

Project 9

Channels

You can spend a long time making pointless selections when all Elements needs is to be shown the differences between ‘that which must be changed’ and the pixels that need to be left alone, based on hue, saturation or brightness. I have learnt to resist the temptation to jump in early with the lasso or tragic wand tool and instead to utilize and exploit the differences that may be lurking beneath the RGB surface of the image. The differences ...

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