Table 8 Feature dimension with different feature screening algorithms.
Algorithm | Feature dimension | ||
|---|---|---|---|
LiDAR | HSI | LiDAR + HSI | |
Raw data | 99 | 59 | 158 |
ReliefF-P | 32 | 33 | 65 |
REF-CV | 36 | 39 | 75 |
CFW | 25 | 27 | 52 |
Algorithm | Feature dimension | ||
|---|---|---|---|
LiDAR | HSI | LiDAR + HSI | |
Raw data | 99 | 59 | 158 |
ReliefF-P | 32 | 33 | 65 |
REF-CV | 36 | 39 | 75 |
CFW | 25 | 27 | 52 |