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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Jospeh N. Mait
  • Vol. 48, Iss. 3 — Jan. 20, 2009
  • pp: 450–457

Representing the light field in finite three-dimensional spaces from sparse discrete samples

Alexander A. Mury, Sylvia C. Pont, and Jan J. Koenderink  »View Author Affiliations


Applied Optics, Vol. 48, Issue 3, pp. 450-457 (2009)
http://dx.doi.org/10.1364/AO.48.000450


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Abstract

We present a method for measurement and reconstruction of light fields in finite spaces. Using a custom-made device called a plenopter, we can measure spatially and directionally varying radiance distribution functions from a real-world scene up to their second-order spherical harmonics approximations. Interpolating between measurement points, we can recover this function for arbitrary points of a scene. We visualized the global structure of the light field using light tubes, which gives an intuitive description of the flux propagation throughout three-dimensional scenes and provides information about the quality of light in the scenes. Our second-order reconstructions are sufficient to render convex matte objects and therefore have a direct interest for computer graphics applications.

© 2009 Optical Society of America

OCIS Codes
(120.5240) Instrumentation, measurement, and metrology : Photometry
(150.2950) Machine vision : Illumination

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 16, 2008
Revised Manuscript: November 19, 2008
Manuscript Accepted: November 25, 2008
Published: January 12, 2009

Citation
Alexander A. Mury, Sylvia C. Pont, and Jan J. Koenderink, "Representing the light field in finite three-dimensional spaces from sparse discrete samples," Appl. Opt. 48, 450-457 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-3-450

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