Saving selections and alpha channel masks

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this question posted in response following article: http://help.adobe.com/en_us/photoshop/cs/using/wsfd1234e1c4b69f30ea53e41001031ab64-76c3a.h tml

backing of steps in topic, andy anderson shows how perform channel-based selections in photoshop cs6, using example of photo in want replace sky. in short lesson, shows how isolate sky via blue color channel, create mask, , import suitable background image via adobe bridge.

 

http://infiniteskills.com/blog/2012/08/adobe-photoshop-cs6-tutorial-channel-selection/



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