... conditions, and with 4 different expressions. We call this database the CMU Pose, Illumination ,and Expression (PIE )database. Inthis paper we describe the imaging hardware, the collectionprocedure, the ... Appeared in the 2002 International Conference on Automatic Face and Gesture Recognition The CMU Pose, Illumination, and Expression (PIE) Database Terence Sim, Simon Baker, and Maan Bsat The Robotics ... is about 40GB.) Wecall this database the CMU Pose, Illumination, and Expres-sion (PIE) database. To obtain a wide variation across pose, we used 13 cameras in the CMU 3D Room[Kanade et al.,1998]....