METHOD OF MULTISPECTRAL DECOMPOSITION FOR THE REMOVAL OF OUT-OF-BAND EFFECTS
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United States of America Patent
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Issued Date -
Dec 26, 2013
app pub date -
Apr 15, 2013
filing date -
Jun 21, 2012
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Abandoned
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Abstract
A method of multispectral decomposition for the removal of out-of-band effects. A band of a multispectral radiance is measured using at least one optical filter, upon scanning a plurality of original radiances. A spectral range of an integral is partitioned between a maximum cut-off wavelength of the band and a minimum cut-off wavelength of the band into a plurality of sub-ranges. A multispectral radiance vector is generated from the measured band-averaged spectral radiances. The pre-calculated multispectral decomposition transform matrix corresponding to the optical filter and the measured multispectral radiance vector are matrix-multiplied to generate a band-averaged spectral radiances image vector representing a plurality of recovered band-averaged spectral radiances. The plurality of recovered band-averaged spectral radiances is outputted, for example to a display, thereby generating a plurality of recovered radiances free of out-of-band effects and which approximate the plurality of original radiances.
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