Column Sampling based Discrete Supervised Hashing, COSDISH
https://cs.nju.edu.cn/lwj/paper/AAAI16_COSDISH.pdf
https://cs.nju.edu.cn/lwj/code/COSDISH.zip
Kang W C, Li W J, Zhou Z H. Column sampling based discrete supervised hashing[C]//Thirtieth AAAI conference on artificial intelligence. 2016.