Title
Hyperspectral Data Feature Extraction Using Rational Function Curve Fitting
Abstract
A feature reduction technique is proposed for the hyperspectral (HS) data classification problem. The new features have been developed through a curve fitting step which fits specific rational function approximations to every spectral response curve ( SRC) of HS image pixels. Then, the coefficients of the numerator and denominator polynomials of these fitted functions are considered as new extracted features. The method concentrates on the geometrical nature of SRCs and is utilizing the information that exists in sequence discipline - ordinance of reflectance coefficients in SRC - which has not been addressed by many other statistical analysis based methods. Maximum likelihood (ML) classification results show that the proposed method provides better classification accuracies compared to some basic and state-of-the-art feature extraction methods. Moreover, the proposed algorithm has the capability of being applied individually and simultaneously to all pixels of image.
Year
DOI
Venue
2016
10.1142/S0218001416500014
INTERNATIONAL JOURNAL OF PATTERN RECOGNITION AND ARTIFICIAL INTELLIGENCE
Keywords
Field
DocType
Hyperspectral, feature extraction, classification, curve cutting, spectral response curve
Polynomial,Curve fitting,Pattern recognition,Hyperspectral imaging,Feature extraction,Artificial intelligence,Pixel,Data classification,Rational function,Fraction (mathematics),Mathematics
Journal
Volume
Issue
ISSN
30
1
0218-0014
Citations 
PageRank 
References 
6
0.88
10
Authors
2
Name
Order
Citations
PageRank
Abolfazl Hosseini, S.183.65
Hassan Ghassemian239634.04