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Reseach Article

Performance of Wavelets for Information Preservation in Hyperspectral Image Compression

by Sonal S. Save, R. R. Sedamkar
International Journal of Applied Information Systems
Foundation of Computer Science (FCS), NY, USA
Volume 9 - Number 2
Year of Publication: 2015
Authors: Sonal S. Save, R. R. Sedamkar
10.5120/ijais15-451370

Sonal S. Save, R. R. Sedamkar . Performance of Wavelets for Information Preservation in Hyperspectral Image Compression. International Journal of Applied Information Systems. 9, 2 ( June 2015), 11-16. DOI=10.5120/ijais15-451370

@article{ 10.5120/ijais15-451370,
author = { Sonal S. Save, R. R. Sedamkar },
title = { Performance of Wavelets for Information Preservation in Hyperspectral Image Compression },
journal = { International Journal of Applied Information Systems },
issue_date = { June 2015 },
volume = { 9 },
number = { 2 },
month = { June },
year = { 2015 },
issn = { 2249-0868 },
pages = { 11-16 },
numpages = {9},
url = { https://www.ijais.org/archives/volume9/number2/755-1370/ },
doi = { 10.5120/ijais15-451370 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2023-07-05T18:59:45.719639+05:30
%A Sonal S. Save
%A R. R. Sedamkar
%T Performance of Wavelets for Information Preservation in Hyperspectral Image Compression
%J International Journal of Applied Information Systems
%@ 2249-0868
%V 9
%N 2
%P 11-16
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper investigates various wavelets in terms of information preservation in hyperspectral image analysis. The compression method uses Principal Component Analysis (PCA) to provide spectral decorrelation and also dimensionality reduction. Principal Component (PC) images are then compressed by various wavelets and Set Partitioning in Hierarchical Trees (SPIHT) based coder. Experimental results by using five wavelets show that the compression method preserves spatial details and spectral features for all wavelets. Among the five wavelets used, coiflet achieves higher signal-to-noise ratio at high compression in spectral dimension. Performance is best when a few (10 or less than 10) PCs are retained for coding. The order of performance is coiflet2, biorthogonal2. 2, symlet2, daubechies4 and biorthogonal1. 1 for given AVIRIS dataset.

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Index Terms

Computer Science
Information Sciences

Keywords

Dimensionality reduction Information preservation Spectral angle mapper covariance matrix