Embedding data into document and extracting embedded data...

Details Embedding data into document and extracting embedded data... Embedding data into document and extracting embedded data...

2006-03-08

2009-10-27

Lu, Tom Y (Department: 2624)

Image analysis

Applications

Reexamination Certificate

active

07609851

ABSTRACT:
An apparatus, method, system, computer program and product, each capable of embedding data into a document or extracting embedded data from document. The data to be embedded may be embedded in the form of a plurality of patterns having a relative relationship.

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