摘抄自caffe github的issue697
Siamese nets are supervised models for metric learning [1].
[1] S. Chopra, R. Hadsell, and Y. LeCun. Learning a similarity metric discriminatively, with application to face verification. In Computer Vision and Pattern Recognition, 2005. CVPR 2005. IEEE Computer Society Conference on, volume 1, pages 539–546. IEEE, 2005. http://yann.lecun.com/exdb/publis/pdf/chopra-05.pdf
Speaking of metric learning, I remember that @norouzi had proposed and open sourced a method that learned a Hamming distance metric to distinguish similar and dissimilar images [2].
[2] Mohammad Norouzi, David J. Fleet, Ruslan Salakhutdinov, Hamming Distance Metric Learning, Neural Information Processing Systems (NIPS), 2012.
未完待续
ND,越来越赶不上更新步伐了……
原文：http://www.cnblogs.com/jianyingzhou/p/4022172.html