Table 11.

Numerical comparison of HIOA for t-entropy as objective function over satellite image

Number of thresholds (nt)	HIOAs	$\overline{\mathit{f}}$	${\mathit{\sigma }}_{\mathit{f}}$	Time (sec.)	FSIM	PSNR	SSIM
6	PO	0.893337	3.89E-20	5.4789	0.9619	18. 94	0.7868
	CHIO	0.893336	1.02E-21	5.4997	0.9618	18.92	0.7866
	HBO	0.893336	1.39E-21	5.5004	0.9618	18.90	0.7865
	FBIO	0.893336	8.36E-20	5.5858	0.9615	18.75	0.7864
	BRO	0.893336	1.24E-20	5.6151	0.9611	18.74	0.7862
	HUA	0.893335	1.59E-21	6.0044	0.9599	18.67	0.7859
	PSO	0.893335	1. 58E-20	6.1117	0.9589	18.59	0.7853
8	PO	1.166417	5.66E-21	6.6935	0.9891	22. 99	0.8961
	CHIO	1.166384	5.28E-20	6.7125	0.9888	22. 69	0.8958
	HBO	1.166377	4.42E-20	6.7211	0.9885	22.61	0.8955
	FBIO	1.166368	1.76E-20	6.7455	0.9881	22.59	0.8954
	BRO	1.166361	7.98E-20	6.7401	0.9879	22.55	0.8951
	HUA	1.166343	7.81E-20	7.1012	0.9875	22.49	0.8948
	PSO	1.166315	1.13E-20	7.1113	0.98471	22.41	0.8945

Best results are highlighted in bold