Bicego, Manuele and Grosso, Enrico and Tistarelli, Massimo (2005) On finding differences between faces. In: Audio- and Video-Based Biometric Person Authentication: 5th International Conference, AVBPA 2005: proceedings, 20-22 July 2005, New York (NY), USA. Berlin-Heidelberg, Springer. p. 329-338. (Lecture Notes in Computer Science, 3546/2005). eISSN 1611-3349. ISBN 978-3-540-27887-0. Conference or Workshop Item.
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This paper presents a novel approach for extracting characteristic parts of a face. Rather than finding a priori specified features such as nose, eyes, mouth or others, the proposed approach is aimed at extracting from a face the most distinguishing or dissimilar parts with respect to another given face, i.e. at Ã¢â‚¬Å“finding differencesÃ¢â‚¬Â between faces. This is accomplished by feeding a binary classifier by a set of image patches, randomly sampled from the two face images, and scoring the patches (or features) by their mutual distances. In order to deal with the multi-scale nature of natural facial features, a local space-variant sampling has been adopted.
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