Table 3.

Contribution of each MICA scale to image-fidelity performance.

Configuration	MSE (α = 1.5)	PSNR in dB (α = 1.5)	SSIM (α = 1.5)
σ = 15 only	245	24.50	0.935
σ = 30 only	280	23.75	0.920
σ = 60 only	330	23.05	0.885
σ = {15, 30}	260	24.15	0.930
σ = {15, 60}	270	23.85	0.915
σ = {30, 60}	310	23.40	0.900
σ = {15, 30, 60}	280	23.70	0.915