Removing Pose from Face Images

Authors:
Seán Begley;John Mallon;Paul F. Whelan
Affiliations:
Vision Systems Group, Dublin City University, Dublin 9, Ireland;Vision Systems Group, Dublin City University, Dublin 9, Ireland;Vision Systems Group, Dublin City University, Dublin 9, Ireland
Venue:
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing, Part II
Year:
2008

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Abstract

This paper proposes a novel approach to pose removal from face images based on the inherent symmetry that is present in faces. In order for face recognition systems and expression classification systems to operate optimally, subjects must look directly into the camera. The removal of pose from face images after their capture removes this restriction. To obtain a pose-removed face image, the frequency components at each position of the face image, obtained through a wavelet transformation, are examined. A cost function based on the symmetry of this wavelet transformed face image is minimized to achieve pose removal. Experimental results are presented that demonstrate that the proposed algorithm improves upon existing techniques in the literature.