Degraded Image Enhancement Using Dual-Domain-Adaptive Wavelet and Improved Fuzzy Transform

Table 3

Evaluation indicator values of enhanced images under uneven lighting.

Evaluation index	Mean	MLMSE	PSNR	MLIE	SSIM
Original image f	11.17	10.68	——	0.85	——
Proposed STFE	11.12	23.94	37.39	0.83	0.99
Proposed GTFE	11.12	22.51	37.74	0.75	0.99
CLAHE	23.66	23.75	23.00	0.90	0.71
SSR	20.75	18.44	24.26	0.82	0.77
MSR	44.90	34.60	16.52	1.05	0.33
DGR	49.55	12.38	16.23	0.87	0.41
CLAHE-DWT	62.71	22.52	13.32	0.90	0.28
Target algorithm	27.53	24.89	20.91	1.10	0.61