Image analysis – Applications
Reexamination Certificate
2005-10-04
2009-08-25
Ahmed, Samir A. (Department: 2624)
Image analysis
Applications
C382S232000
Reexamination Certificate
active
07580543
ABSTRACT:
Provided are an information processing apparatus, method, program and storage medium whereby prescribed additional information such as a digital watermark can be embedded directly in encoded data, and later extracted, without decoding data that has been compressed and encoded by the JPEG scheme, etc. First, encoded data, which is information that has been encoded, is input from an encoded data input unit (101). An embed coefficient is selected in an embed coefficient selector (102) block by prescribed block, and a code transformation unit (103) replaces the encoded data by different encoded data, which corresponds to the input encoded data, input using a transformation table (104), whereby a digital watermark is embedded.
REFERENCES:
patent: 6359998 (2002-03-01), Cooklev
patent: 6553129 (2003-04-01), Rhoads
patent: 6859155 (2005-02-01), Kondo et al.
patent: 1 001 604 (2004-04-01), None
patent: 2000-151411 (2000-05-01), None
patent: 2000-151973 (2000-05-01), None
patent: 2002-135555 (2002-05-01), None
patent: 2002-335391 (2002-11-01), None
The above references were cited in a Apr. 10, 2009 Japanese Office Action that issued in Japanese Patent Application No. 2004-291512, a copy of which is enclosed without English Translation.
Ahmed Samir A.
Canon Kabushiki Kaisha
Cowan Liebowitz & Latman P.C.
Rashidian Mehdi
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