Table 5. Ablation study on different channel & stage and number of neighboring point.

Number of Neighbors(k)	OA(%)	mAcc(%)
12	92.0	88.6
16	92.8	90.2
20	93.3	91.1
24	93.1	90.7
40	93.0	90.3
Network depth (stage & channel)	OA(%)	mAcc(%)
64-64-64	92.7	89.8
64-64-128-256	93.0	90.1
64-64-128-128-256	93.3	91.1
64-64-128-64-128-256	93.1	90.5