Data processing apparatus and method, data processing...

Details Data processing apparatus and method, data processing... Data processing apparatus and method, data processing...

2006-02-28

2006-02-28

Patel, Kanjibhai (Department: 2625)

Image analysis

Applications

C713S176000

Reexamination Certificate

active

07006660

ABSTRACT:
The present invention has an object to provide a data processing apparatus which can perform digital watermark embedding/extraction in accordance with manipulation, editing, and compression. To achieve the object, the data processing apparatus for performing compression processing on digital data comprises: a digital watermark extracting device extracting additional information, embedded as a digital watermark, from digital data; a digital watermark removing device removing the additional information, embedded as a digital watermark, from the digital data; an irreversible processing deice performing irreversible processing on the digital data; and a digital watermark embedding device embedding the additional information as a digital watermark in the irreversible-processed digital data.

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patent: 6314518 (2001-11-01), Linnartz
patent: 6674873 (2004-01-01), Donescu et al.
patent: 2002/0001395 (2002-01-01), Davis et al.
U.S. Appl. No. 09/688,108, filed Oct. 16, 2000, Tomochika Murakami, et al.

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