Regularized Multiframe Super-Resolution Image Reconstruction Using Linear and Nonlinear Filters

Table 3

A numerical comparison of PSNR for various SR approaches

Image	LOR	L1-BTV	BEP	L2-BTV	MMW-BTV	MLRW-BTV
Acen	26.6478	26.9792	27.6347	31.4713	31.6831	31.6887
Cartap	24.0612	24.9439	24.7245	29.4002	29.5945	29.5671
Foreman	31.2703	30.0404	30.9915	33.8016	33.9181	33.8741
Text	25.5005	25.6895	25.3727	28.3681	28.4544	28.3840
Brain	28.6073	28.4517	29.1935	30.5428	30.5945	30.6008
License Plate	29.2249	30.0086	30.4768	32.4811	32.7746	32.7314
Natural Scene	26.5062	26.3497	26.3227	28.1143	28.1169	28.1477
Parrot	30.2683	30.5041	30.5288	34.0079	34.1916	34.1212
Average PSNR	27.76081	27.87089	28.15565	31.02341	31.16596	31.13938

The bold numbers indicate the highest values of the proposed methods.