Method of and apparatus for extracting watermark from...

Details Method of and apparatus for extracting watermark from... Method of and apparatus for extracting watermark from...

2003-06-18

2008-01-22

Johns, Andrew W. (Department: 2624)

Image analysis

Applications

C358S003280, C713S176000

Reexamination Certificate

active

07321665

ABSTRACT:
A method of extracting a watermark from watermarked data includes extracting a plurality of watermarks from the watermarked original data, calculating reliability of each of the extracted watermarks, and determining a final watermark based on the calculated reliability of each of the extracted watermarks.

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Chinese Office Action (Second) dated Nov. 25, 2005 issued in Chinese Patent Application No. 03148671.1.
Japanese Office Action dated Oct. 4, 2005 issued in co-pending Japanese Patent Application No. 2003-151350.

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