An Improved Method of Training Overcomplete Dictionary Pair

Table 1

PSNR comparisons of SR algorithms.

Image	Bicubic	NESR	SRSR
Bookshelf	19.5365	21.3871	25.7684	32.0384
Girl face	20.7177	24.3363	27.5486	33.7557
Lena	19.5539	24.6899	25.4578	32.8545
Flower	20.1793	26.0911	31.4007	34.1617
Building	21.9827	22.5101	27.7380	34.2074