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Title: A critical analysis of em based fusion of different polarization data for effect on land cover classification
Authors: Mittal V.
Singh, Dharmendra
Saini L.M.
Published in: Advances in Space Research
Abstract: Land cover classification is an important activity in social, economical, geographical, ecological and risk planning of a country. Production of accurate land cover maps autonomously is still a challenging problem. It motivates the study and evolution of methods to tackle this problem. The purpose of the present study is to critically analyze the effects of image fusion on various land cover classification. The importance of using different polarizations of the single SAR data has been emphasized. A simplified EM algorithm for fusion of different permutations and combinations of multi-polarized PALSAR data is presented through modeling that is valid for Gaussian as well as non-Gaussian distortions. K-means unsupervised algorithm has been applied for the classification of various land cover i.e. water, urban, wetland, baresoil, short vegetation and tall vegetation. The proposed method is intuitive and simple in that it uses PALSAR data after pre-processing straightaway without any transformations and also estimates the missing information in each of the channel without any a priori knowledge. A critical analysis of fusion effects on different land covers is presented on the basis of various accuracies. This type of study will be helpful in further enhancing accuracy of land cover maps minimizing human intervention. © 2015 COSPAR. Published by Elsevier Ltd. All rights reserved.
Citation: Advances in Space Research (2015), 56(6): 1094-1105
Issue Date: 2015
Publisher: Elsevier Ltd
Keywords: Classification
Confusion matrix
EM algorithm
ISSN: 2731177
Author Scopus IDs: 57212075559
Author Affiliations: Mittal, V., Department of Electronics and Communication Engineering, National Institute of Technology Kurukshetra, Kurukshetra, India
Singh, D., Department of Electronics and Communication Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Saini, L.M., Department of Electrical Engineering, National Institute of Technology Kurukshetra, Kurukshetra, India
Corresponding Author: Mittal, V.; Department of Electronics and Communication Engineering, National Institute of Technology KurukshetraIndia
Appears in Collections:Journal Publications [ECE]

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