特征提取

global feature
借助人体图像分割
Human Semantic Parsing for Person Re-identification CVPR2018
把人体图像分割成几个部分做attention

多尺寸
Multi-scale Deep Learning Architectures for Person Re-identification ICCV2017
手工设计多尺度的inception流

Attention
- Harmonious AttentionCNN(HA-CNN)