Xin-Jing Wang Lei Zhang 0001 Ce Liu 0001 Duplicate Discovery on 2 Billion Internet Images. 429-436 2013 CVPR Workshops https://doi.org/10.1109/CVPRW.2013.71 https://doi.ieeecomputersociety.org/10.1109/CVPRW.2013.71 conf/cvpr/2013w db/conf/cvpr/cvprw2013.html#WangZL13