Fig. 6From: Single image super resolution based on multi-scale structure and non-local smoothingVisual comparison between different SR methods (scale ratio=4). Each column presents the HR estimations from one SR method. From the left to the right, the compared methods are SC [11], A+ [13], SRCNNb [19], SRCNNg [19], NCSR [17], and our proposed methodBack to article page