Implementation of some layers in caffe.
File caffe.proto are parameters defined for these layers, which also need to be added into LayerParameter.
caffe implementation for Wing Loss for Robust Facial Landmark Localisation with Convolutoinal Neural Networks CVPR 2018
Clone from https://github.com/suzhenghang/MobileNetv2
Turn coordinates into heatmaps.
Define loss for heatmap regression.