DocumentCode
2216515
Title
A novel supervised feature selection technique based on genetic algorithms
Author
Pedergnana, Mattia ; Marpu, Prashanth Reddy ; Mura, Mauro Dalla ; Benediktsson, Jon Atli ; Bruzzone, Lorenzo
Author_Institution
Fac. of Electr. & Comput. Eng., Univ. of Iceland, Reykjavik, Iceland
fYear
2012
fDate
22-27 July 2012
Firstpage
60
Lastpage
63
Abstract
Dealing with a high number of features belonging to different types of data such as Hyperspectral image and Morphological Attribute Profiles (MAPs) might lead to a poor predictive performance of the classifier and hence low final accuracies of classification. This is due to the Hughes effect that consistently decreases the power of prediction of the classifier, in case of a limited and fixed number of training samples. In order to reduce the number of features and only keeping those which are more informative, a novel supervised feature selection technique based on GAs and the measure of the relevance of the features is presented in this work. Moreover, the effectiveness of the proposed technique was demonstrated by experimenting on an optical remote sensed dataset.
Keywords
genetic algorithms; geophysical image processing; image classification; mathematical morphology; remote sensing; GA; Hughes effect; MAP; classifier prediction; feature number reduction; genetic algorithms; hyperspectral image; morphological attribute profiles; optical remote sensed dataset; supervised feature selection technique; training samples; Biological cells; Feature extraction; Hyperspectral imaging; Iron; Radio frequency; Sociology; Statistics; Class Separability; Feature Selection; Genetic Algorithms; Random Forest;
fLanguage
English
Publisher
ieee
Conference_Titel
Geoscience and Remote Sensing Symposium (IGARSS), 2012 IEEE International
Conference_Location
Munich
ISSN
2153-6996
Print_ISBN
978-1-4673-1160-1
Electronic_ISBN
2153-6996
Type
conf
DOI
10.1109/IGARSS.2012.6351637
Filename
6351637
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