Qi Zhang Yurong Chen Yimin Zhang 0001 Yinlong Xu SIFT implementation and optimization for multi-core systems. 1-8 2008 IPDPS http://dx.doi.org/10.1109/IPDPS.2008.4536131 conf/ipps/2008 db/conf/ipps/ipdps2008.html#ZhangCZX08