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Home › Digital watermark embedding apparatus, digital watermark extraction apparatus, and methods thereof

Digital watermark embedding apparatus, digital watermark extraction apparatus, and methods thereof

US Patent 7209572 · Granted Apr 24, 2007

Estimated economic value: $529,000 ⓘ

Assignee

Canon

Inventors

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

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