Perfect Alpha Channels - 2
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A CreativeCOW Photoshop Video Tutorial
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Richard Harrington
Washington, District of Columbia USA
©2007 Richard Harrington and Creativecow.net. All rights reserved.
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Article Focus:
In the second part of this Adobe Photoshop tutorial series, Richard Harrington continues to discuss common compositing problems that a person might face when using alpha channels in Photoshop. Some of the problems Richard addresses are the black fringe that can sometimes appear around a glow when an image has an alpha channel premultiplied with black, exporting a clean alpha channel for an NLE and using image calculations to chroma key an image from the contrasting background.
iPod Version

HD Version

This tutorial is also available as a podcast:
Click here to find it and many other Photoshop podcasts.
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Adobe Photoshop | Perfect Alpha Channels - 1 Play Video Alpha channels in Adobe Photoshop. Richard explains RGB channels and how a forth channel can be created, called an alpha channel, to work with the Red, Green and Blue channels to store the transparency of the graphic. Further topics covered are the basics of keying, compositing, creating and refining alpha channels.
Tutorial, Video Tutorial
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