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2019 | OriginalPaper | Buchkapitel

10. Snapshot Spectral Imaging

verfasst von : Amir Z. Averbuch, Pekka Neittaanmäki, Valery A. Zheludev

Erschienen in: Spline and Spline Wavelet Methods with Applications to Signal and Image Processing

Verlag: Springer International Publishing

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Abstract

This chapter describes an application of the spline-based wavelet frames to the spectral imaging. It presents a method that enables to convert a regular digital camera into a snapshot spectral imager by equipping the camera with a dispersive diffuser and with a compressed sensing-based algorithm for digital processing. The method relies on the assumption that typical images can be sparsely represented in the frame domain. The solution is found from the constrained \(l_{1}\) minimization of a functional by Bregman iterations. Results of optical experiments are reported. The chapter is based on the paper (Golub et al., Appl. Opt. 55, 432–443, (2016), [11]).

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Fußnoten
1
L is the number of spectral bands in the spectral cube.
 
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Metadaten
Titel
Snapshot Spectral Imaging
verfasst von
Amir Z. Averbuch
Pekka Neittaanmäki
Valery A. Zheludev
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-319-92123-5_10

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