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

Table 1

Evaluation indicator values of enhanced images under low illumination.

Evaluation index	Mean	MLMSE	PSNR	MLIE	SSIM
Original image f	34.91	226.52	——	2.01	——
Proposed STFE	36.67	488.95	26.12	2.02	0.98
Proposed GTFE	36.56	476.08	26.29	1.99	0.98
CLAHE	52.26	402.29	19.12	2.15	0.85
SSR	53.88	375.12	18.62	2.16	0.84
MSR	47.23	423.26	21.68	2.09	0.94
DGR	60.89	293.63	17.87	2.10	0.81
CLAHE-DWT	88.52	401.94	11.86	2.18	0.53
Target algorithm	59.15	405.68	17.35	2.25	0.80