Hiding codes in input data

Details Hiding codes in input data Hiding codes in input data

2006-09-27

2008-08-12

Johns, Andrew W (Department: 2624)

Image analysis

Applications

Reexamination Certificate

active

07412074

ABSTRACT:
The present invention relates to hiding codes in input data. In one embodiment, a method is provided including: obtaining input data associated with image or visual information; selecting portions of the input data to hide a plural-bit code based at least in part on predetermined data; and modifying selected portions of the input data to hide the plural-bit code at least in part on changing one or more values of the input data at or around the selected portions. Other embodiments are described and claimed as well.

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