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Tachibana; Ryuki
Yamato, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7660991 Embedding, processing and detection of digital content, information and data February 9, 2010
Enables identification and detection of processing and type of digital content, while using multiple electronic watermarks. One embodiment provides a data processing detection system having an embedding apparatus for adding a predetermined additional signal to digital content, includ
6985590 Electronic watermarking method and apparatus for compressed audio data, and system therefor January 10, 2006
The present invention provides a method and a system with which information embedded in compressed digital audio data can be directly operated. An embodiment of the system for embedding additional information in compressed audio data includes: means for extracting MDCT (Modified Disc
6915001 Electronic watermarking method and system July 5, 2005
The present invention provides a watermarking method, apparatus and system for embedding additive information in digital data, in which one frame is defined as including samples extracted from digital data and a current frame is defined as a frame that is overlapped by samples of a prece

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