Log-Gabor Energy Based Multimodal Medical Image Fusion in NSCT Domain

Table 1

Comparison on quantitative evaluation of different methods for the first set medical images.

Images	Evaluation	DWT	FDCT	DTCWT	NSCT-1	NSCT-2	Proposed method
Image group 1; (CT and MRI)	STD	41.160	39.170	40.132	40.581	54.641	58.476
	Q^AB/F	0.618	0.592	0.652	0.683	0.427	0.716
	MI	2.371	2.029	2.393	2.438	1.886	2.580
Image group 2; (CT and MRI)	STD	72.260	70.572	71.407	71.733	80.378	83.334
	Q^AB/F	0.567	0.584	0.606	0.622	0.450	0.618
	MI	3.137	3.138	3.198	3.235	2.915	3.302
Image group 3; (MR-T1 and MR-T2)	STD	37.358	36.856	37.358	37.277	39.023	40.630
	Q^AB/F	0.635	0.647	0.668	0.682	0.589	0.689
	MI	3.209	3.142	3.302	3.347	3.349	3.469