PBE 	PBE 	SIM 	SIM 	LMD 	LMD 	Average
	1st image pair	2nd image pair	1st image pair	2nd image pair	1st image pair	2nd image pair	
Mean	3.52	3.65	4.63	4.17	7.81	6.82	5.10
IDD	5.34	5.67	7.83	7.39	12.85	9.67	8.13
IDD-Ind	14.61	12.34	11.11	12.24	18.80	14.40	13.92
Diagoal	7.37	7.75	9.71	8.59	17.01	12.55	10.50
Diagonal-Ind	15.36	13.95	12.75	13.90	20.70	18.48	15.86
Null	33.80	29.88	29.47	34.10	47.54	45.18	36.66