Table 2 Data characteristics for Tongji Rockery and Qiuxia Rockery
Class | Tongji Rockery | Qiuxia Rockery |
|---|---|---|
Data acquisition date | 2019-10-17 | 2021–01-27 |
Data acquisition time | Approximately 5 min | Approximately 3 min |
Original point cloud count | 35,472,414 | 19,678,031 |
Preprocess time | Approximately 48 h | Approximately 72 h |
Preprocessed point cloud count | 1,250,039 | 1,544,488 |