My understanding is that NeRF¹ is just one (very interesting) approach to this. Another approach would be "Multi-View Stereo (MVS)", which you may be familiar w

My understanding is that NeRF¹ is just one (very interesting) approach to this. Another approach would be "Multi-View Stereo (MVS)", which you may be familiar with via software like COLMAP. ¹ https://en.wikipedia.org/wiki/Neural_radiance_field https://en.wikipedia.org/wiki/Neural_radiance_field