Vineeth Nallure Balasubramanian Jieping Ye Sethuraman Panchanathan Biased Manifold Embedding: A Framework for Person-Independent Head Pose Estimation. 2007 conf/cvpr/2007 CVPR http://dx.doi.org/10.1109/CVPR.2007.383280 db/conf/cvpr/cvpr2007.html#BalasubramanianYP07