Geometric Modeling of Rosa roxburghii Fruit Based on Three-Dimensional Point Cloud Reconstruction

Table 1

Average errors of different point cloud simplification methods.

Simplification methods	Points after segmentation	Points after simplifying	Simplification rate η	Average error ε (mm)
3D voxel grid filter	206031	20978	89.82	0.1941
Curvature sampling	206031	21013	89.80	0.2233
Random sampling	206031	20603	90.00	0.2317
Uniform sampling	206031	20643	89.98	0.2205
Distance sampling	206031	20311	90.14	0.2278