A B S T R A C T

1. Introduction

2. Literature Review

3. Datasets and Evaluation Protocols  
3.1. Datasets  
3.2. Evaluation Protocols  

4. Deep Learning Methods  
4.1. Based on CNN  
4.2. Based on ViT  
4.3. Composite Method  
4.4. 3D Re-ID  
4.5. Multi-modal Re-ID  

5. Method Comparison

6. Future Directions  
6.1. Richer, Higher Quality Datasets  
6.2. More Robust and Varied Feature Extraction  
6.3. Occluded Person Re-ID System  

7. Conclusion