Dual photography

Dual photography is a photographic technique that uses Helmholtz reciprocity to capture the light field of all light paths from a structured illumination source to a camera.[1] Image processing software can then be used to reconstruct the scene as it would have been seen from the viewpoint of the projector.

For simultaneous taking of two photographs, see dualphotography.

See also

References
  1. Michael Zhang (2013-08-21). "Dual Photography Lets You Virtually Move a Camera for Impossible Photos". Petapixel.
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