Methods and apparatus for embedding watermarks

Details Methods and apparatus for embedding watermarks Methods and apparatus for embedding watermarks

2009-11-05

2011-12-27

Tabatabai, Abolfazl (Department: 2624)

Image analysis

Applications

C713S176000

Reexamination Certificate

active

08085975

ABSTRACT:
Methods and apparatus for embedding a watermark are disclosed. An example method for embedding a watermark disclosed herein comprises identifying a transform coefficient associated with a compressed digital data stream, obtaining a mantissa code, and modifying the transform coefficient based on the mantissa code to embed the watermark.

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