| 摘要 |
Subtracting the date of taking a registrant's face image from the date of taking a photographic image of a person to be recognized, the number of elapsed years Y of the registrant's face image is calculated. If Y<5, an unsophisticated image comparator is selected. If 5@Y<10, a first face parts comparator is selected to calculate the degree of resemblance between the photographic image and the registrant's face image more precisely than the unsophisticated image comparator. If 10@Y, a second face parts comparator is selected. If the face image is a child's, the second face parts comparator compares the photographic image not only with the child's face image but also with his/her cognate's face image. After the photographic image is compared with every registrant's face image, the personal data of the top four registrants having the highest degree of resemblance is displayed on an LCD.
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