3 June 2021 Deep neural network classification in the compressively sensed spectral image domain
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Abstract

Hyperspectral (HS) images hold both spatial and spectral information of an imaged scene. This allows one to take advantage of the distinct spectral signatures of materials to perform classification tasks. Since HS data are also typically very large and redundant, it is appealing to utilize compressive sensing (CS) techniques for HS acquisition. CS avoids the need for postacquisition digital compression, as the compression is inherently performed electrooptically during acquisition. We research the performance of deep learning classification applied directly on the compressive measurements. We show that by using a spectral CS technique we previously developed, it is possible to reduce the captured data by an order of magnitude without significant loss in the classification performance.

© 2021 SPIE and IS&T 1017-9909/2021/$28.00 © 2021 SPIE and IS&T
Nadav Cohen, Shauli Shmilovich, Yaniv Oiknine, and Adrian Stern "Deep neural network classification in the compressively sensed spectral image domain," Journal of Electronic Imaging 30(4), 041406 (3 June 2021). https://doi.org/10.1117/1.JEI.30.4.041406
Received: 6 February 2021; Accepted: 17 May 2021; Published: 3 June 2021
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CITATIONS
Cited by 5 scholarly publications.
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KEYWORDS
Image compression

Image classification

Neural networks

Data acquisition

Compressed sensing

Curium

Mirrors

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