@ARTICLE{9204467, author={Zhang, Qi and Wang, Qing and Li, Hongdong and Yu, Jingyi}, journal={IEEE Transactions on Pattern Analysis and Machine Intelligence}, title={Ray-Space Epipolar Geometry for Light Field Cameras}, year={2022}, volume={44}, number={7}, pages={3705-3718}, doi={10.1109/TPAMI.2020.3025949}}