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Special Section on Hyperspectral Imaging Systems

Image mapping spectrometry: calibration and characterization

[+] Author Affiliations
Noah Bedard

Rice University, Department of Bioengineering, 6100 Main Street, Houston, Texas 77005

Nathan Hagen

Rice University, Department of Bioengineering, 6100 Main Street, Houston, Texas 77005

Liang Gao

Rice University, Department of Bioengineering, 6100 Main Street, Houston, Texas 77005

Tomasz S. Tkaczyk

Rice University, Department of Bioengineering, 6100 Main Street, Houston, Texas 77005

Opt. Eng. 51(11), 111711 (Jul 13, 2012). doi:10.1117/1.OE.51.11.111711
History: Received February 29, 2012; Revised May 23, 2012; Accepted June 6, 2012
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Abstract.  Image mapping spectrometry (IMS) is a hyperspectral imaging technique that simultaneously captures spatial and spectral information about an object in real-time. We present a new calibration procedure for the IMS as well as the first detailed evaluation of system performance. We correlate optical components and device calibration to performance metrics such as light throughput, scattered light, distortion, spectral image coregistration, and spatial/spectral resolution. Spectral sensitivity and motion artifacts are also evaluated with a dynamic biological experiment. The presented methodology of evaluation is useful in assessment of a variety of hyperspectral and multi-spectral modalities. Results are important to any potential users/developers of an IMS instrument and to anyone who may wish to compare the IMS to other imaging spectrometers.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Noah Bedard ; Nathan Hagen ; Liang Gao and Tomasz S. Tkaczyk
"Image mapping spectrometry: calibration and characterization", Opt. Eng. 51(11), 111711 (Jul 13, 2012). ; http://dx.doi.org/10.1117/1.OE.51.11.111711


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