DEVICE AND PROGRAM FOR CONTENT IDENTITY VERIFICATION

Title:

DEVICE AND PROGRAM FOR CONTENT IDENTITY VERIFICATION

Document Type and Number:

Japanese Patent JP2006345369

Kind Code:

A

Abstract:

To enable a verification of identity of an original content and an investigation object content to be reliably performed, without a necessity of securing a viewing time for viewing the original content and the investigation object content.

A content identity verification device 1 verifies identity of an original content and an investigation object content in which a data amount of the original content is reduced, and is provided with a low bit rate conversion means 3 for converting the bit rate of these contents into a low bit rate, a verification file comparing means 5 for comparing a verification fail after the conversion, and an identity determining means 7 for determining identity based on a comparison result.

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Inventors:

MIYAZAKI HIROMITSU
IZUMI YOSHINORI
IWAHANA YUKIO
SUNAZAKI SHUNJI

Application Number:

JP2005170809A

Publication Date:

December 21, 2006

Filing Date:

June 10, 2005

Export Citation:

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Assignee:

JAPAN BROADCASTING CORP
NHK ENGINEERING SERVICES INC

International Classes:

H04N17/00; H04N19/00; H04N19/102; H04N19/134; H04N19/176; H04N19/196; H04N19/40; H04N19/70

Attorney, Agent or Firm:

Isono Dozo
Etsuo Tada
Tomomi Furukawa

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