Fig. 3From: Super-resolution via a fast deconvolution with kernel estimationVisual results of “flower" with the upsampling factor of 4. From top to bottom and from left to right: the low-resolution image “flower,” bicubic result, “08’TOG” [22], “11’IPOL” [7], “11’SIAM” [8], “14’TIP” [9], and our resultBack to article page