Learning to Hash Reduce Dimensionality and Storage Cost Gist vector Binary reduction 10 million images 20 GB 160MB 口卡+得二4元互)Q0 Li (http://cs.nju.edu.cn/lwj) Big Leaming CS.NJU 12 /115Learning to Hash Reduce Dimensionality and Storage Cost Li (http://cs.nju.edu.cn/lwj) Big Learning CS, NJU 12 / 115