This the code for shallow CNN based Blind image sharpness assessment.
If use the code, please refer to
Yu S, Wu S, Wang L, et al. A shallow convolutional neural network for blind image sharpness assessment[J]. PloS one, 2017, 12(5): e0176632.
Or
Yu S, Jiang F, Li L, et al. CNN-GRNN for image sharpness assessment[C]//Asian Conference on Computer Vision. Springer, Cham, 2016: 50-61.