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Hyperspectral image compression based on 3D reversible integer lapped transform

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4 Author(s)
Wang, L. ; Key Lab. of Intell. Perception & Image Understanding of Minist. of Educ. of China, Xidian Univ., Xi'an, China ; Jiao, L. ; Bai, J. ; Wu, J.

Transform coding proves to be efficient and practical for image compression. A three-dimensional reversible integer lapped transform (3D-RLT) is presented. Moreover, based on 3D-RLT, a progressive lossy-to-lossless compression algorithm is proposed for hyperspectral images. Experimental results demonstrate that the 3D-RLT performs better than a 3D 9/7 wavelet transform (3D-9/7WT) at most bit rates in lossy compression, and achieves competitive lossless compression performance compared with a 3D integer 5/3WT.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 24 )

Date of Publication:

November 25 2010

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