HI @szh91
You still can use ID label to supervise the network training. You may refer to several works on reid, such as
Minxian Li, Xiatian Zhu, Shaogang Gong. Unsupervised Tracklet Person Re-Identification. IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2019.
HI @szh91 You still can use ID label to supervise the network training. You may refer to several works on reid, such as
Minxian Li, Xiatian Zhu, Shaogang Gong. Unsupervised Tracklet Person Re-Identification. IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2019.