Title:
DIGITAL CONTENT MANAGEMENT SYSTEM, DIGITAL WATERMARK EMBEDDING DEVICE, DIGITAL WATERMARK DETECTION DEVICE, PROGRAM, AND DIGITAL CONTENT MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2011/018871
Kind Code:
A1
Abstract:
A digital content management system (1) generates a file having a filename that is to be a digital watermark, and is provided with a digital watermark embedding device (100) for embedding in digital content that is to be managed; a digital watermark information storage device (140) for associating a filename that is to be a digital watermark embedded in digital content by way of the digital watermark embedding device (100) as digital watermark information with identification information of the digital content in which the digital watermark has been embedded, and storing thereof; and a digital watermark detection device (150) for referring to digital watermark information of the digital watermark information storage device (140), and detecting, from within digital content to be verified, the filename that is the digital watermark stored in the digital watermark information storage device (140).
Inventors:
TADANO KUMIKO (JP)
Application Number:
PCT/JP2010/003846
Publication Date:
February 17, 2011
Filing Date:
June 09, 2010
Export Citation:
Assignee:
NEC CORP (JP)
TADANO KUMIKO (JP)
TADANO KUMIKO (JP)
International Classes:
G06F12/00; G06F21/10; G06F21/16; G06F21/62; G06F21/79; H04N1/387; H04N7/16; H04N7/26
Foreign References:
| JP2006197476A | 2006-07-27 |
Attorney, Agent or Firm:
HAYAMI, SHINJI (JP)
Shinji Hayami (JP)
Shinji Hayami (JP)
Download PDF: