Robust Face Recognition in the Presence of Clutter. - A. N. Rajagopalan 001; Rama Chellappa; Nathan Koterba (AVBPA, 2003)

Background learning for robust face recognition with PCA in the presence of clutter. - A. N. Rajagopalan 001; Rama Chellappa; Nathan Koterba (IEEE Trans. Image Process., 2005)