@inproceedings{park2017unified,
    title={A Unified Approach of Multi-scale Deep and Hand-crafted Features for Defocus Estimation},
    author={Park, Jinsun and Tai, Yu-Wing and Cho, Donghyeon and Kweon, In So},
    booktitle={Proc. of Computer Vision and Pattern Recognition (CVPR)},
    year={2017}
}