Research Article
Change Detection and Feature Extraction of Debris-Flow Initiation by Rock-Slope Failure Using Point Cloud Processing
Table 1
z value difference comparison in areas of data overlap.
| Year flown | Range of z difference (m) | Error range (m) | Overall error range (m) |
| 2005 | −0.51 to 0.41 | 0 ± 0.28 | ±0.30 | 2007 | −0.51to 0.45 | 0 ± 0.27 | 2011 | −0.51 to 0.53 | 0 ± 0.26 | 2015 | −0.64 to 0.65 | 0 ± 0.27 |
|
|