| 摘要 |
It is possible to enable favorable face recognition to be carried out in accordance with external factors such as changes in an imaging environment. A personal identification device of the present invention is provided with a registered data storage unit 120 for storing registered data containing facial feature data for a registered user, a recognition parameter storage unit 122 for storing recognition parameters, a image determination unit 112 for determining whether or not the image quality of a user facial image input from an imaging device 110 is appropriate, an adjustment unit 114 for adjusting the settings of the imaging device 110 or modifying the recognition parameters, in accordance with the result of determination carried out in the image determination unit 112, a feature extraction unit 116 for extracting user facial feature data from a facial image, and a face recognition unit 124 for comparing the extracted feature data with the registered data to determine whether or not the user is a registered user based on the result of comparison and the recognition parameters. |
