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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 14013–14027

Single-shot compressive spectral imaging with a dual-disperser architecture

M. E. Gehm, R. John, D. J. Brady, R. M. Willett, and T. J. Schulz  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 14013-14027 (2007)

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This paper describes a single-shot spectral imaging approach based on the concept of compressive sensing. The primary features of the system design are two dispersive elements, arranged in opposition and surrounding a binary-valued aperture code. In contrast to thin-film approaches to spectral filtering, this structure results in easily-controllable, spatially-varying, spectral filter functions with narrow features. Measurement of the input scene through these filters is equivalent to projective measurement in the spectral domain, and hence can be treated with the compressive sensing frameworks recently developed by a number of groups. We present a reconstruction framework and demonstrate its application to experimental data.

© 2007 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation

ToC Category:
Imaging Systems

Original Manuscript: July 10, 2007
Revised Manuscript: October 1, 2007
Manuscript Accepted: October 3, 2007
Published: October 11, 2007

M. E. Gehm, R. John, D. J. Brady, R. M. Willett, and T. J. Schulz, "Single-shot compressive spectral imaging with a dual-disperser architecture," Opt. Express 15, 14013-14027 (2007)

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