Point Cloud Key Point Extraction Algorithm Based on Feature Space Value Filtering

Table 3

Experimental parameter setting.

Batch volume	Data set	Number of points	K-nearest neighbor points	Optimizer	Learning rate	Number of training sessions
ModelNet40	1024	20	SGD	0.001	32	250
ShapeNetPart	2048	40	SGD	0.001	14	200
S3DIS	4096	20	SGD	0.001	14	100