| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent that feedback information is used for a hill climbing attack for bogus living body development even if displaying or outputting the feedback information. <P>SOLUTION: This biometric authentication device includes: a processing means processing an image of a blood vessel or a blood vessel background portion to an image of bioinformation as maintaining a blood vessel direction; and a display means displaying the image processed by the processing means. <P>COPYRIGHT: (C)2011,JPO&INPIT |
