However, in light field photography, there is a tradeoff between spatial and angular resolutions. Therefore, there are many papers talking about super-resolution. See the following papers for their approaches about super-resolution.
1.https://ieeexplore.ieee.org/document/5559010
2.https://link.springer.com/chapter/10.1007/978-3-030-01231-1_6
3. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7873/1/Superresolution-with-the-focused-plenoptic-camera/10.1117/12.872666.short?SSO=1
However, in light field photography, there is a tradeoff between spatial and angular resolutions. Therefore, there are many papers talking about super-resolution. See the following papers for their approaches about super-resolution. 1.https://ieeexplore.ieee.org/document/5559010 2.https://link.springer.com/chapter/10.1007/978-3-030-01231-1_6 3. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7873/1/Superresolution-with-the-focused-plenoptic-camera/10.1117/12.872666.short?SSO=1