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March 31, 2009 to April 2, 2009
ISBN: 978-0-7695-3507-4
pp: 129-133
A multiscale geometric analysis method based on Wavelet and Uniform Directional Filter Banks (WUDFB) is structured in order to overcome the insufficiencies of contourlet transform and wavelet-based contourlet transform which are used in compression. A novel WUDFB-based compression algorithm of hyperspectral imagery is proposed, in which intra-band WUDFB and inter-band prediction are used to remove the spatial and spectral redundancy respectively, and no-list set partitioned embedded block coder makes output embedded stream. The experimental results by using 64 band hyperspectral data show that the algorithm achieves higher peak signal-to-noise ratio at high compression ratio and preserves more detail information of original images than the algorithm based on wavelet transform.
Hyperspectral image compression, Multiscale geometric analysis, Uniform directional filter banks, Set partitioned embedded block coder
Dong Song, Lihua Hu, Yan Feng, "Hyperspectral Image Compression Based on Wavelets and Uniform Directional Filter Banks", CSIE, 2009, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE 2009, pp. 129-133, doi:10.1109/CSIE.2009.525
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