@article{zhang2017real, title={Real-Time User-Guided Image Colorization with Learned Deep Priors}, author={Zhang, Richard and Zhu, Jun-Yan and Isola, Phillip and Geng, Xinyang and Lin, Angela S and Yu, Tianhe and Efros, Alexei A}, journal={ACM Transactions on Graphics (TOG)}, volume={9}, number={4}, year={2017}, publisher={ACM} }