Coded aperture spectroscopy with denoising through sparsity

Alex Mrozack, Daniel L. Marks, David J. Brady

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)2297-2309
Number of pages13
JournalOptics Express
Volume20
Issue number3
DOIs
StatePublished - Jan 30 2012
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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