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J. Imaging 2019, 5(1), 3; https://doi.org/10.3390/jimaging5010003

Compressive Sensing Hyperspectral Imaging by Spectral Multiplexing with Liquid Crystal

Department of Electro-Optical Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
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Received: 28 October 2018 / Revised: 25 November 2018 / Accepted: 18 December 2018 / Published: 22 December 2018
(This article belongs to the Special Issue The Future of Hyperspectral Imaging)
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Abstract

Hyperspectral (HS) imaging involves the sensing of a scene’s spectral properties, which are often redundant in nature. The redundancy of the information motivates our quest to implement Compressive Sensing (CS) theory for HS imaging. This article provides a review of the Compressive Sensing Miniature Ultra-Spectral Imaging (CS-MUSI) camera, its evolution, and its different applications. The CS-MUSI camera was designed within the CS framework and uses a liquid crystal (LC) phase retarder in order to modulate the spectral domain. The outstanding advantage of the CS-MUSI camera is that the entire HS image is captured from an order of magnitude fewer measurements of the sensor array, compared to conventional HS imaging methods. View Full-Text
Keywords: compressive sensing; hyperspectral imaging; multiplexing system; liquid crystal; three-dimensional imaging; integral imaging; remote sensing; point target detection; CS-MUSI compressive sensing; hyperspectral imaging; multiplexing system; liquid crystal; three-dimensional imaging; integral imaging; remote sensing; point target detection; CS-MUSI
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Oiknine, Y.; August, I.; Farber, V.; Gedalin, D.; Stern, A. Compressive Sensing Hyperspectral Imaging by Spectral Multiplexing with Liquid Crystal. J. Imaging 2019, 5, 3.

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