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Proceedings Article

Modified light field architecture for reconfigurable multimode imaging

[+] Author Affiliations
Roarke Horstmeyer, Ravindra Athale, Gary Euliss

MITRE Corp. (USA)

Proc. SPIE 7468, Adaptive Coded Aperture Imaging, Non-Imaging, and Unconventional Imaging Sensor Systems, 746804 (August 21, 2009); doi:10.1117/12.828653
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From Conference Volume 7468

  • Adaptive Coded Aperture Imaging, Non-Imaging, and Unconventional Imaging Sensor Systems
  • Stanley Rogers; David P. Casasent; Jean J. Dolne; Thomas J. Karr; Victor L. Gamiz
  • San Diego, CA | August 02, 2009

abstract

Light field cameras can simultaneously capture the spatial location and angular direction of light rays emanating from a scene. By placing a variable bandpass filter in the aperture of a light field camera, we demonstrate the ability to multiplex the visible spectrum over this captured angular dimension. The result is a novel design for a single-snapshot multispectral imager, with digitally reconstructed images exhibiting reduced spatial resolution proportional to the number of captured spectral channels. This paper explores the effect of this spatial-spectral resolution tradeoff on camera design. It also examines the concept of utilizing a non-uniform pinhole array to achieve varying spectral and spatial capture over the extent of the sensor. Images are presented from several different light field - variable bandpass filter designs, and limitations and sources of error are discussed.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Roarke Horstmeyer ; Ravindra Athale and Gary Euliss
"Modified light field architecture for reconfigurable multimode imaging", Proc. SPIE 7468, Adaptive Coded Aperture Imaging, Non-Imaging, and Unconventional Imaging Sensor Systems, 746804 (August 21, 2009); doi:10.1117/12.828653; http://dx.doi.org/10.1117/12.828653


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