Spectral Clustering Algorithm Based on Improved Gaussian Kernel Function and Beetle Antennae Search with Damping Factor

Table 4

Accuracy of five algorithms on images.

	K-means	NJW	PGSC	SC-NP	SC-DBAS
Image 1	0.8804	0.9483	0.9483	0.9304	0.9943
Image 2	0.5562	0.5562	0.5347	0.9942	0.9969
Image 3	0.9520	0.9696	0.9729	0.9722	0.9741
Image 4	0.9902	0.9883	0.9920	0.9917	0.9924