Method and system for compression of hyperspectral or multispectral imagery with a global optimal compression algorithm (GOCA)
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jan 13, 2011
app pub date -
Jul 12, 2010
filing date -
Jul 10, 2009
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Abstract
A computer based method and system for compressing digital hyperspectral or multispectral image data. The method includes initially reducing the plurality of spectral bands of the hyperspectral data to a smaller number of spectral bands using principal component analysis, determining an optimum compression ratio for each of the smaller number of spectral bands for use in a wavelet transform, and subsequently compressing the smaller number of spectral bands spatially using the wavelet transform with the optimum compression ratios.
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