A Triplet Embedding network implemented with Chainer (https://github.com/pfnet/chainer).
The network is inspired by Hoffer and Ailon: “Deep Metric Learning Using Triplet Network.” arXiv:1412.6622 [cs, Stat], December 20, 2014. http://arxiv.org/abs/1412.6622. See also https://github.com/eladhoffer/TripletNet.