Method of Improved Fuzzy Contrast Combined Adaptive Threshold in NSCT for Medical Image Enhancement

Table 3

Comparison of different methods using the objective index in Figure 6.

Evaluation standard	Entropy	PSNR	MAE	SSIM	Time
HE	3.51	24.14	0.49	0.356	0.76
MSR	0.002395	24.19	0.34	0.311	8.43
Contourlet	1.94	15.87	0.14	0.776	10.37
NSCT-FU	4.77	25.83	0.07	0.611	44.11
Proposed method	5.97	28.20	0.01	0.713	39.91