Hybrid Fuzzy Clustering Method Based on FCM and Enhanced Logarithmical PSO (ELPSO)

Table 3

Average results for criterion J (best results are highlighted in bold).

Datasets	Iterations	PSO	LPSO	EPSO	RPSO	ELPSO
Abalone	50	7681.8732	7756.7018	7375.2852	7444.9952	7210.9449
	200	7224.8618	7380.1867	7197.7683	7211.3830	7197.7447
	500	7197.7452	7297.5891	7197.7447	7199.7810	7197.7447
Ecoli	50	6.9441	6.9788	6.5282	6.6143	5.9576
	200	5.8466	6.1840	5.4144	5.7297	5.3656
	500	5.3791	5.9953	5.3618	5.5613	5.3537
Glass	50	245.4625	240.3651	215.4950	219.1814	184.6535
	200	213.7898	220.0770	177.9124	193.2778	162.8663
	500	156.9724	187.9902	154.6609	168.6809	154.1477
Image segmentation	50	17945971	17274272	15048314	16121031	8161111
	200	13228454	14092457	7037767	12326004	6154794
	500	6811563	12371116	6298898	10979083	6050846