A LIDAR-Based Tree Canopy Characterization under Simulated Uneven Road Condition: Advance in Tree Orchard Canopy Profile Measurement

Table 4

Experiment results and error analysis of carved board correction with a single kind of different attitude angle deviations.

Attitude angle deviations (°)	Height	Width	Canopy height
	Actual value (m)/LIDAR-measured average value with correction (m)/relative error with correction (%)/LIDAR-measured average value w/o correction (m)/relative error w/o correction (%)	Actual value (m)/LIDAR-measured average value with correction (m)/relative error with correction (%)/LIDAR-measured average value w/o correction (m)/relative error w/o correction (%)	Actual value (m)/LIDAR-measured average value with correction (m)/relative error with correction (%)/LIDAR-measured average value w/o correction (m)/relative error w/o correction (%)
Group 1	1.60/1.54/1.25/1.67/4.37	1.10/1.08/1.81/1.02/7.27	1.00/0.94/6.00/1.13/13.0
Group 2	1.60/1.56/2.50/1.48/7.50	1.10/1.07/2.73/1.15/4.54	1.00/0.97/3.00/1.11/11.0
Group 3	1.60/1.53/4.37/1.49/6.87	1.10/1.15/4.54/1.03/6.36	1.00/0.95/5.00/1.09/9.00