Yasuyuki Matsushita Eyal Ofek Weina Ge Xiaoou Tang Heung-Yeung Shum 1150-1163 2006 28 IEEE Trans. Pattern Anal. Mach. Intell. 7 http://doi.ieeecomputersociety.org/10.1109/TPAMI.2006.141 db/journals/pami/pami28.html#MatsushitaOGTS06