Novel calibration recovery technique for an expectation maximization tomographic reconstruction

William R. Johnson; Dan O'Connell; Eustace L. Dereniak; E. Keith Hege

doi:10.1117/1.1631934

1 January 2004 Novel calibration recovery technique for an expectation maximization tomographic reconstruction

William R. Johnson, Dan O'Connell, Eustace L. Dereniak, E. Keith Hege

Optical Engineering, Vol. 43, Issue 1, (January 2004). https://doi.org/10.1117/1.1631934

An experiment is conducted that successfully reduces the amount of aberration detected in a reconstructed hyperspectral datacube. The correction alleviates an unnoticed rotational misalignment in the calibration of our near-infrared flash hyperspectral imager. This alteration induces a spherical-aberration-like artifact as well as spectral defects because of the three-dimensional hyperspectral quality of the data. This artifact, which would cause severe misregistration of the spatio-spectral information, is correctable post detection.

©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)

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William R. Johnson, Dan O'Connell, Eustace L. Dereniak, and E. Keith Hege "Novel calibration recovery technique for an expectation maximization tomographic reconstruction," Optical Engineering 43(1), (1 January 2004). https://doi.org/10.1117/1.1631934

Published: 1 January 2004

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