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

Table 2

Comparison of different methods using the objective index in Figure 5.

Evaluation standard	Entropy	PSNR	MAE	SSIM	Time
HE	5.75	24.20	0.09	0.682	0.74
MSR	0.000532	24.28	0.40	0.483	8.16
Contourlet	0.10	12.98	0.32	0.747	10.39
NSCT-FU	6.80	26.99	0.05	0.691	44.43
Proposed method	7.23	29.57	0.02	0.875	39.85