Changes

370 bytes added , 04:13, April 26, 2010

a start

'''Watermarking''', or data hiding, consists of embedding a typically invisible identifier into an image, video or audio file for security reasons.

Watermarking requires both embedding and extraction algorithms. [[Mathematical]] techniques can include least-significant bit encoding, transform or image-adaptive techniques and basic M-sequence.
[[category:mathematics]]

Aschlafly

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Watermarking (view source)

Revision as of 04:13, April 26, 2010

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