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

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

US Patent 7269274 · Granted Sep 11, 2007

Estimated economic value: $373,000 ⓘ

Assignee

Canon

Inventors

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

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