Multi-level contrast filtering in image difference metrics

EURASIP Journal on Image and Video Processing

Table 4 RMSE for WLF-DEE and the selected state-of-the-art metrics on all databases

Metric	TID (masked noise)	TID (quantization noise)	TID (image denoising)	TID (contrast change)	Ajagamelle	Pedersen
PSNR	14.73	15.38	15.72	15.91	1.49	0.40
PSNR-HVS-M	14.84	15.15	15.54	15.85	1.54	0.40
S-CIELAB	13.35	13.41	13.29	13.94	0.88	0.28^a
SSIM	11.99^a	9.45^a	10.99^a	11.80^a	1.75	0.53
VSNR	15.42	15.41	15.92	16.07	1.03	0.53
WLF-DEE-C I	13.99	11.88	14.79	13.11^b	1.01	0.46
WLF-DEE-C J	13.98	11.54	14.51	13.73	1.01	0.47
WLF-DEE-C K	13.33^b	11.36^b	13.33^b	13.53	1.01	0.48
WLF-DEE-C L	14.36	12.54	14.22	13.56	1.02	0.47
WLF-DEE-C M	16.88	14.93	18.39	15.49	0.94	0.52
WLF-DEE-C N	15.48	14.55	15.12	15.19	0.78^a,b	0.52
WLF-DEE-C O	15.12	14.03	14.74	14.98	1.06	0.49
WLF-DEE-C P	15.48	14.64	15.15	15.29	1.43	0.47