@article{liu2021oiflow, title={Oiflow: Occlusion-inpainting optical flow estimation by unsupervised learning}, author={Liu, Shuaicheng and Luo, Kunming and Ye, Nianjin and Wang, Chuan and Wang, Jue and Zeng, Bing}, journal={IEEE Transactions on Image Processing}, volume={30}, pages={6420–6433}, year={2021}, publisher={IEEE} }