Quadtree-based eigendecomposition for pose estimation in the presence of occlusion and background clutter.

Chu-Yin Chang Anthony A. Maciejewski Venkataramanan Balakrishnan Rodney G. Roberts Kishor Saitwal Quadtree-based eigendecomposition for pose estimation in the presence of occlusion and background clutter. 15-31 2007 10 Pattern Anal. Appl. 1 http://dx.doi.org/10.1007/s10044-006-0046-6 db/journals/paa/paa10.html#ChangMBRS07