Design of a multi-spectral imager built using the compressive sensing single-pixel camera architecture

Lenore McMackin; Matthew A. Herman; Tyler Weston

doi:10.1117/12.2212643

15 March 2016 Design of a multi-spectral imager built using the compressive sensing single-pixel camera architecture

Lenore McMackin, Matthew A. Herman, Tyler Weston

Proceedings Volume 9761, Emerging Digital Micromirror Device Based Systems and Applications VIII; 97610G (2016) https://doi.org/10.1117/12.2212643
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We present the design of a multi-spectral imager built using the architecture of the single-pixel camera. The architecture is enabled by the novel sampling theory of compressive sensing implemented optically using the Texas Instruments DLP™ micro-mirror array. The array not only implements spatial modulation necessary for compressive imaging but also provides unique diffractive spectral features that result in a multi-spectral, high-spatial resolution imager design. The new camera design provides multi-spectral imagery in a wavelength range that extends from the visible to the shortwave infrared without reduction in spatial resolution. In addition to the compressive imaging spectrometer design, we present a diffractive model of the architecture that allows us to predict a variety of detailed functional spatial and spectral design features. We present modeling results, architectural design and experimental results that prove the concept.

Citation Download Citation

Lenore McMackin, Matthew A. Herman, and Tyler Weston "Design of a multi-spectral imager built using the compressive sensing single-pixel camera architecture", Proc. SPIE 9761, Emerging Digital Micromirror Device Based Systems and Applications VIII, 97610G (15 March 2016); https://doi.org/10.1117/12.2212643

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