I. INTRODUCTION

II. 3D DATA  
A. 3D data representation  
B. Point cloud data storage format  
C. 3D point cloud public datasets  

III. POINT CLOUD CLASSIFICATION METHOD BASED ON DEEP LEARNING  
A. Multi-view-based methods  
B. Voxel-based methods  
C. Point cloud-based method  
D. Polymorphic Fusion-based methods  

IV. EVALUATION

V. FUTURE TRENDS

VI. CONCLUSION