Development of a blurred spectral images restoration technology for CTIS imaging spectrometer

Optics Express
Pengwei ZhouNingchuan Li

Abstract

The platform vibration will cause spectral images blurring when using computed tomographic imaging spectrometer (CTIS) on unstable platform, especially in space-borne or ship-based application. As a result, a phenomenon of blur-induced spectral distortion occurs, which greatly affects the accuracy of classification of target. However, without easy accessibility of the knowledge of image motion kernel, it is difficult to restore the degraded images accurately. With the desire to solve the motion function, this paper has made a breakthrough by proposing a motion detection method using short exposure images from zeroth order beam light of 2D-grating. Contributed by the accurate motion kernel, blurred spectral images could be reliably restored as well as the improvement of spectra accuracy. Laboratory experiment result shows the robust spectra restoration capability of this technique.

References

Aug 9, 2003·IEEE Transactions on Medical Imaging·Josien P W PluimMax A Viergever
Feb 5, 2008·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Hassan ForooshMarc Berthod
Jan 1, 1997·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·M Elad, A Feuer
Apr 7, 2012·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Giacomo Boracchi, Alessandro Foi

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