Paper Info
Title
Binary partition tree-based local spectral unmixing
Abstract
The linear mixing model (LMM) is a widely used methodology for the spectral unmixing (SU) of hyperspectral data. In this model, hyperspectral data is formed as a linear combination of spectral signatures corresponding to macroscopically pure materials (endmembers), weighted by their fractional abundances. Some of the drawbacks of the LMM are the presence of multiple mixtures and the spectral variability of the endmembers due to illumination and atmospheric effects. These issues appear as variations of the spectral conditions of the image along its spatial domain. However, these effects are not so severe locally and could be at least mitigated by working in smaller regions of the image. The proposed local SU works over a partition of the image, performing the spectral unmixing locally in each region of the partition. In this work, we first introduce the general local SU methodology, then we propose an implementation of the local SU based on a binary partition tree representation of the hyperspectral image and finally we give an experimental validation of the approach using real data.
Year
DOI
Venue
2014
10.1109/WHISPERS.2014.8077555
2014 6th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)
Keywords
Field
DocType
Hypespectral imaging,local spectral unmixing,spectral bundles,binary partition trees
Iterative reconstruction,Discrete mathematics,Linear combination,Binary partition tree,Algorithm,Hyperspectral imaging,Parametric statistics,Merge (version control),Partition (number theory),Spectral signature,Mathematics
Conference
ISSN
ISBN
Citations 
2158-6268
978-1-4673-9013-2
0
PageRank 
References 
Authors
0.34
0
7
Name
Order
Citations
PageRank
lucas drumetz1518.63
Miguel Angel Veganzones212210.58
Ruben Marrero351.43
Guillaume Tochon4506.43
Mauro Dalla Mura587556.48
Antonio Plaza63475262.63
Jocelyn Chanussot74145272.11