High-Resolution Hyperspectral Video Imaging Using A Hexagonal Camera Array
Frank Sippel, J\"urgen Seiler, Andr\'e Kaup

TL;DR
This paper introduces a high-resolution hyperspectral video imaging system using a hexagonal camera array with off-the-shelf hardware, achieving superior reconstruction quality and flexibility for snapshot hyperspectral imaging.
Contribution
The paper presents a novel hexagonal camera array design for hyperspectral imaging that is cost-effective, flexible, and outperforms existing snapshot methods in reconstruction quality.
Findings
Outperforms competitors by over 3 dB in synthetic data reconstruction.
Uses off-the-shelf hardware for flexible spectral range and low cost.
Provides a real-world high-resolution hyperspectral video database.
Abstract
Retrieving the reflectance spectrum from objects is an essential task for many classification and detection problems, since many materials and processes have a unique spectral behaviour. In many cases, it is highly desirable to capture hyperspectral images due to the high spectral flexibility. Often, it is even necessary to capture hyperspectral videos or at least to be able to record a hyperspectral image at once, also called snapshot hyperspectral imaging, to avoid spectral smearing. For this task, a high-resolution snapshot hyperspectral camera array using a hexagonal shape is introduced.The hexagonal array for hyperspectral imaging uses off-the-shelf hardware, which enables high flexibility regarding employed cameras, lenses and filters. Hence, the spectral range can be easily varied by mounting a different set of filters. Moreover, the concept of using off-the-shelf hardware…
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Taxonomy
TopicsInfrared Target Detection Methodologies · CCD and CMOS Imaging Sensors · Image Processing Techniques and Applications
MethodsSparse Evolutionary Training
