Shadows used to peer around corners (editorial for "Computational periscopy with an ordinary digital camera")
Computational periscopy with an ordinary digital camera - Saunders et al.
https://static-content.springer.com/esm/art%3A10.1038%2Fs41586-018-0868-6/MediaObjects/41586_2018_868_MOESM2_ESM.mp4Computational periscopy with an ordinary digital camera - Saunders et al.