Automated turbulences jitters correction with a dual ports imaging Fourier-transform spectrometer

Florent Prel; Stéphane Lantagne; Louis Moreau; Claude Roy

doi:10.1117/12.2177355

21 May 2015 Automated turbulences jitters correction with a dual ports imaging Fourier-transform spectrometer

Florent Prel, Stéphane Lantagne, Louis Moreau, Claude Roy

Proceedings Volume 9472, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXI; 94721B (2015) https://doi.org/10.1117/12.2177355
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

When the scene observed by an imaging Fourier-Transform Spectrometer is not stable in amplitude or in position during the time it takes to acquire to spectrum, spectro-radiometric artifacts are generated. These artifacts reduce the radiometric accuracy and may also damage the spectral line shape. The displacements of the scene in the field of view can be due to air turbulence, platform jitters or scene jitters. We describe an automated correction process based on the information provided by the second output port of a two-port imaging FTS. Corrected and uncorrected data will be compared.

Citation Download Citation

Florent Prel, Stéphane Lantagne, Louis Moreau, and Claude Roy "Automated turbulences jitters correction with a dual ports imaging Fourier-transform spectrometer", Proc. SPIE 9472, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXI, 94721B (21 May 2015); https://doi.org/10.1117/12.2177355

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