Dual photography

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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.

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References

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


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