Impact of image registration errors on the quality of hyperspectral images in imaging static Fourier transform spectrometry
Varvara Chiliaeva,
Andrés Almansa,
Yann Ferrec
et al.
Abstract:Imaging static Fourier transform spectrometry (isFTS) is used for pushbroom airborne or spaceborne hyperspectral remote sensing. In isFTS, a static two-wave interferometer imprints linear interference fringes over the image of the scene, so that the spectral information is multiplexed over several instantaneous images, and numerical reconstruction is needed to recover the full spectrum for each pixel. The image registration step is crucial since insufficient accuracy leads to artefacts on the images and the es… Show more
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