Table S1.

Parameter settings for baselines

Baseline	Parameters
GMM	Diagonal covariance: regularization constant = 10−3
Fuzzy	Exponent $\in \left(1.1,{1.2}^{[1:1:9]}\right)$
MS	Flat kernel: estimated bandwidth $h$’s quantile parameter $\in$ $\left[0.001,0.0025,0.005,0.0075,0.01,0.025,0.05,0.075,0.1\right]$
N-Cuts	Graph construction parameters: order = $3$, $\text{scale}\in (0.1:0.1:1)\times \max w_{ij}$
AP	Preference = median of similarities, damping factor = 0.9, max iter = 1,000, convergence iter = 100
Zell	Graph construction parameter $a\in \left({10}^{[-2:0.5:2]}\right)$
SEC	$\mu \in \left({10}^{[-9:3:15]}\right),\gamma =1$
LDMGI	Regularization constant $\lambda \in \left({10}^{[-8:2:8]}\right)$
GDL	Graph construction parameter $a\in \left({10}^{[-2:0.5:2]}\right)$
PIC	Graph construction parameter $a\in \left({10}^{[-2:0.5:2]}\right)$