Title:
AUTHENTICATION DEVICE AND AUTHENTICATION METHOD
Document Type and Number:
Japanese Patent JP2008176792
Kind Code:
A
Abstract:
To provide an authentication device and an authentication method attaining permanent biometric authentication with no risk of "spoofing" by forgery or the like.
Scattered light is generated in deep tissue deeper than a blood vessel in vivo. A blood vessel part into which the scattered light is absorbed, and a non-blood vessel part through which the scattered light is transmitted than the blood vessel part, are detected, and information obtained as the detected result is collated with stored blood vessel information.
Inventors:
TAKIGUCHI KIYOAKI
Application Number:
JP2008009264A
Publication Date:
July 31, 2008
Filing Date:
January 18, 2008
Export Citation:
Assignee:
SONY CORP
International Classes:
G06T1/00; A61B5/117; G06F21/32
Attorney, Agent or Firm:
Keiki Tanabe