Single Image Superresolution Using Maximizing Self-Similarity Prior

Table 1

PSNR and SSIM for scale factor of 2.

	PR [20]	SCSR [13]	KRR [27]	GPR [22]	SPM [26]	Ours
Bells	25.401	29.477	29.527	28.213	29.568	29.511
	0.838	0.904	0.904	0.889	0.907	0.905
Bike	21.602	25.801	25.801	24.110	25.803	25.884
	0.713	0.845	0.847	0.779	0.846	0.848
Buddha	28.170	32.033	32.187	28.338	32.168	32.194
	0.851	0.915	0.919	0.844	0.918	0.916
Butterfly	27.337	31.743	32.128	26.352	31.883	31.983
	0.940	0.969	0.974	0.931	0.97	0.973
Child	26.435	29.941	30.154	26.392	30.021	30.248
	0.893	0.941	0.945	0.882	0.943	0.944
Eagle	27.715	30.293	30.676	27.740	30.280	30.339
	0.848	0.909	0.911	0.837	0.912	0.908
Face	30.307	37.054	36.953	30.453	37.209	37.381
	0.920	0.967	0.970	0.920	0.971	0.970
Family	25.767	30.307	30.295	25.972	30.443	30.465
	0.803	0.908	0.907	0.793	0.910	0.911
Fatem	29.091	35.384	35.620	28.701	35.788	35.857
	0.882	0.953	0.956	0.875	0.957	0.956
Fish	27.304	34.609	35.160	27.204	34.372	34.934
	0.859	0.950	0.954	0.860	0.950	0.952
Surfer	25.294	28.178	28.199	25.357	28.176	28.236
	0.736	0.820	0.820	0.712	0.818	0.822
Tiger	23.727	29.103	29.143	23.643	29.248	29.321
	0.883	0.946	0.948	0.880	0.949	0.948
Trees	27.848	30.678	30.651	27.928	30.794	30.780
	0.734	0.851	0.850	0.752	0.850	0.854
Two birds	21.112	26.262	27.024	21.525	26.309	26.487
	0.687	0.756	0.767	0.688	0.756	0.757
Waterfall	23.876	26.329	26.421	25.201	26.390	26.360
	0.771	0.838	0.841	0.794	0.840	0.840