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Home › Digital watermark embedding method, apparatus, digital watermark extraction method and apparatus

Digital watermark embedding method, apparatus, digital watermark extraction method and apparatus

US Patent 7260238 · Granted Aug 21, 2007

Estimated economic value: $393,000 ⓘ

Assignee

Canon

Inventors

Keiichi Iwamura (90 patents)
Kitahiro Kaneda (66 patents)
Jun Tamaru (10 patents)
Takami Eguchi (23 patents)

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