Table 9.

Ablation study on the cluster number $K$, graph construction methods (G.C.M.), fusion schemes and loss function of our proposed model on SHREC dataset.

$K$	mIoU	G.C.M.	mIoU	Fusion Schemes	mIoU	Loss Function	mIoU
8	83.6	spectral	85.3	norm + sum	85.7	${ℒ}_{\text{CE}}+{ℒ}_{\text{boundary}}$	86.5
16	86.9	k-means	86.9	sum	86.9	${ℒ}_{\text{CE}}$	86.9
32	84.7	MinCutPool	83.9	learnable-weight	86.4	${ℒ}_{\text{CE}}+{ℒ}_{\text{CL}}$	84.1