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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 3 — Jan. 30, 2012
  • pp: 2297–2309

Coded aperture spectroscopy with denoising through sparsity

Alex Mrozack, Daniel L. Marks, and David J. Brady  »View Author Affiliations


Optics Express, Vol. 20, Issue 3, pp. 2297-2309 (2012)
http://dx.doi.org/10.1364/OE.20.002297


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Abstract

We compare noise and classification metrics for three aperture codes in dispersive spectroscopy. In contrast with previous theory, we show that multiplex codes may be advantageous even in systems dominated by Poisson noise. Furthermore, ill-conditioned codes with a regularized estimation strategy are shown to perform competitively with well-conditioned codes.

© 2011 OSA

OCIS Codes
(300.6190) Spectroscopy : Spectrometers
(070.2025) Fourier optics and signal processing : Discrete optical signal processing

ToC Category:
Spectroscopy

History
Original Manuscript: August 10, 2011
Revised Manuscript: October 26, 2011
Manuscript Accepted: October 28, 2011
Published: January 18, 2012

Citation
Alex Mrozack, Daniel L. Marks, and David J. Brady, "Coded aperture spectroscopy with denoising through sparsity," Opt. Express 20, 2297-2309 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-3-2297


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