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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 20 — Oct. 7, 2013
  • pp: 23068–23074

Fast full-color computational imaging with single-pixel detectors

Stephen S. Welsh, Matthew P. Edgar, Richard Bowman, Phillip Jonathan, Baoqing Sun, and Miles J. Padgett  »View Author Affiliations


Optics Express, Vol. 21, Issue 20, pp. 23068-23074 (2013)
http://dx.doi.org/10.1364/OE.21.023068


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Abstract

Single-pixel detectors can be used as imaging devices by making use of structured illumination. These systems work by correlating a changing incident light field with signals measured on a photodiode to derive an image of an object. In this work we demonstrate a system that utilizes a digital light projector to illuminate a scene with approximately 1300 different light patterns every second and correlate these with the back scattered light measured by three spectrally-filtered single-pixel photodetectors to produce a full-color high-quality image in a few seconds of data acquisition. We utilize a differential light projection method to self normalize the measured signals, improving the reconstruction quality whilst making the system robust to external sources of noise. This technique can readily be extended for imaging applications at non-visible wavebands.

© 2013 Optical Society of America

OCIS Codes
(110.1758) Imaging systems : Computational imaging
(110.4234) Imaging systems : Multispectral and hyperspectral imaging
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Imaging Systems

History
Original Manuscript: July 22, 2013
Revised Manuscript: September 6, 2013
Manuscript Accepted: September 8, 2013
Published: September 23, 2013

Citation
Stephen S. Welsh, Matthew P. Edgar, Richard Bowman, Phillip Jonathan, Baoqing Sun, and Miles J. Padgett, "Fast full-color computational imaging with single-pixel detectors," Opt. Express 21, 23068-23074 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-20-23068


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