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Patent Searching and Data


Title:
AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2008/056777
Kind Code:
A1
Abstract:
Provided are an authentication system and an authentication method in which a plurality of 3D local regions are decided in a person face to be authenticated and 3D characteristic amounts of the face in the respective 3D local regions are calculated as the 3D face characteristic amounts. The 3D face characteristic amounts are compared to face characteristic amounts prepared in advance for comparison so as to authenticate the person. This reduces lowering the authentication accuracy and improves the authentication speed.

Inventors:
YAMATO HIROSHI (JP)
KAWAKAMI YUICHI (JP)
Application Number:
PCT/JP2007/071807
Publication Date:
May 15, 2008
Filing Date:
November 09, 2007
Export Citation:
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Assignee:
KONICA MINOLTA HOLDINGS INC (JP)
YAMATO HIROSHI (JP)
KAWAKAMI YUICHI (JP)
International Classes:
G06T7/00; G06F21/32; G06T1/00
Domestic Patent References:
WO2005038700A12005-04-28
Foreign References:
JPH02224185A1990-09-06
JPH0944688A1997-02-14
JP2002216129A2002-08-02
JP2004222118A2004-08-05
JPH11283033A1999-10-15
Other References:
TANAKA ET AL.: "3 Jigen Kyokuritsu o Mochiita Kao no Dotei - Kao no 3 Jigen Keijo Chushutsu", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, vol. J76-D-II, no. 8, 25 August 1993 (1993-08-25), pages 1595 - 1603
SHIN ET AL.: "Spin Image o Mochiita 3 Jigen Scan Data kara no Jintai no Tokuchoten Chushutsu", FIT2006 5TH FORUM ON INFORMATION TECHNOLOGY JOHO KAGAKU GIJUTSU LETTERS, vol. 5, 21 August 2006 (2006-08-21), pages 329 - 331
MASUI ET AL.: "3D Keisoku ni yoru Kao Gazo Ninshiki no Kiso Kento", ITEJ TECHNICAL REPORT, vol. 14, no. 36, 29 June 1990 (1990-06-29), pages 7 - 12
ANDO ET AL.: "Kao Hyomen no Hosen Vector o Mochiita Kojin Shogo", THE JOURNAL OF THE INSTITUTE OF IMAGE ELECTRONICS ENGINEERS OF JAPAN, vol. 31, no. 5, 25 September 2002 (2002-09-25), pages 841 - 847
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (2-2 Nakanoshima 2-chome,Kita-ku, Osaka-shi, Osaka 05, JP)
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