Personal authentication apparatus and personal authentication method
First Claim
1. A personal identification apparatus comprising:
- an input unit configured to input image data;
a facial expression determination unit configured to determine a facial expression from a face in the image data;
a selection unit configured to select first feature data corresponding to the facial expression of the face in the image data, the first feature data used to identify a person, in correspondence with respective facial expressions of a plurality of faces, are obtained from and stored in a database; and
an identification unit configured to identify a person by comparing second feature data of the face in the image data, and the first feature data selected by said selection unit.
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Abstract
A personal authentication apparatus comprises an input unit configured to input image data; a face detection unit configured to detect a face region of a person included in the image data input by the input unit, and to detect feature data from the detected face region; a facial expression determination unit configured to determine a facial expression from the face region detected by the face detection unit; a storage unit configured to store feature data used to authenticate a person in correspondence with respective facial expressions of a plurality of faces; a selection unit configured to select feature data corresponding to the facial expression determined by the facial expression determination unit from the storage unit; and an authentication unit configured to authenticate a person by comparing the feature data of the face region detected by the face detection unit, and the feature data selected by the selection unit.
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Citations
11 Claims
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1. A personal identification apparatus comprising:
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an input unit configured to input image data; a facial expression determination unit configured to determine a facial expression from a face in the image data; a selection unit configured to select first feature data corresponding to the facial expression of the face in the image data, the first feature data used to identify a person, in correspondence with respective facial expressions of a plurality of faces, are obtained from and stored in a database; and an identification unit configured to identify a person by comparing second feature data of the face in the image data, and the first feature data selected by said selection unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A personal identification method to be executed by a personal identification apparatus which includes an input unit configured to input image data, the method comprising:
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a determination step of determining a facial expression from a face in the image data; a selection step of selecting first feature data corresponding to the facial expression of the face in the image data, the first feature data used to identify a person, in correspondence with respective facial expressions of a plurality of faces, are obtained from and stored in a database; and an identification step of identifying a person by comparing second feature data of the face in the image data, and the first feature data selected in the selection step.
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Specification