An Example-Based Super-Resolution Algorithm for Selfie Images

Table 2

Comparison of PSNR/SSIM with state-of-the-art SR algorithms for different test images with 3x magnification.

Test image	Yang et al.	Kim et al.	Dong et al.	He et al.	The proposed
Barbara	26.00/0.8847	26.36/0.8934	24.40/0.8341	25.72/0.8711	27.47/0.9430
Lena	30.69/0.9421	32.67/0.9514	30.13/0.9146	31.28/0.9122	33.27/0.9763
Selfie (#1)	29.21/0.9935	30.08/0.9962	27.92/0.9784	28.51/0.9917	31.69/0.9960
Selfie (#2)	28.20/0.9885	28.80/0.9922	26.87/0.9558	27.39/0.9825	30.78/0.9928
Selfie (#3)	26.01/0.9365	26.96/0.9486	24.39/0.8975	25.34/0.9226	27.87/0.9727
Selfie (#4)	28.55/0.9241	29.19/0.9309	26.17/0.8682	28.58/0.9148	30.03/0.9603
Selfie (#5)	31.45/0.9132	32.28/0.9309	29.87/0.8934	30.21/0.9021	32.02/0.9402