First of all, Please add the libs directory into your PYTHONPATH, also install THEANO correctly

SRCNN

• Dong, Chao, et al. "Image Super-Resolution Using Deep Convolutional Networks." arXiv preprint arXiv:1501.00092 (2014).[PDF]
• Dong, Chao, et al. "Learning a deep convolutional network for image super-resolution." Computer Vision–ECCV 2014. Springer International Publishing, 2014. 184-199. APA [PDF]