Face Matching through Information Theoretical Attention Points and Its Applications to Face Detection and Classification

Authors:
Kazuhiro Hotta;Taketoshi Mishima;Takio Kurita;Shinji Umeyama
Affiliations:
-;-;-;-
Venue:
FG '00 Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition 2000
Year:
2000

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Abstract

This paper presents a face matching method through information theoretical attention points. The attention points are selected as the points where the outputs of Gabor filters applied to the contrast filtered image (Gabor features) have rich information. The information value of Gabor features of the certain point is used as the weight and the weighed sum of the correlations is used as the similarity measure for the matching. To cope with the scale changes of a face, several images with different scales are generated by interpolation from the input image and the best match is searched. By using the attention points given from information theoretical point of view, the matching becomes robust under various environments. This matching method is applied to face detection of a known person and face classification. The effectiveness of the proposed method is confirmed by the experiments using the face images captured over years under the different environments.