Illumination and Person-Insensitive Head Pose Estimation Using Distance Metric Learning

Authors:
Xianwang Wang;Xinyu Huang;Jizhou Gao;Ruigang Yang
Affiliations:
Center for Visualization & Virtual Environments, University of Kentucky, Lexington, USA KY 40507;Center for Visualization & Virtual Environments, University of Kentucky, Lexington, USA KY 40507;Center for Visualization & Virtual Environments, University of Kentucky, Lexington, USA KY 40507;Center for Visualization & Virtual Environments, University of Kentucky, Lexington, USA KY 40507
Venue:
ECCV '08 Proceedings of the 10th European Conference on Computer Vision: Part II
Year:
2008

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Abstract

Head pose estimation is an important task for many face analysis applications, such as face recognition systems and human computer interactions. In this paper we aim to address the pose estimation problem under some challenging conditions, e.g., from a single image, large pose variation, and un-even illumination conditions. The approach we developed combines non-linear dimension reduction techniques with a learned distance metric transformation. The learned distance metric provides better intra-class clustering, therefore preserving a smooth low-dimensional manifold in the presence of large variation in the input images due to illumination changes. Experiments show that our method improves the performance, achieving accuracy within 2-3 degrees for face images with varying poses and within 3-4 degrees error for face images with varying pose and illumination changes.