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

Table 1

Comparison of different methods using the objective index in Figure 4.

Evaluation standard	Entropy	PSNR	MAE	SSIM	Time
HE	3.44	24.22	0.54	0.294	0.71
MSR	0.00419	24.36	0.24	0.323	7.76
Contourlet	2.02	16.00	0.22	0.753	10.40
NSCT-FU	4.58	25.03	0.08	0.642	43.06
Proposed method	5.82	27.32	0.01	0.836	35.58