Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
November 2015 Vol. 4(11): pp. 810-818
Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

A Comparison of Classification Techniques for the Land Use/ Land Cover Classification 

R. S. Morgan*a, I. S. Rahim*a, M. Abd El-Hady*b

  

*aSoils and Water Use dept., *b Water Relations and Field irrigation Dept.,

National Research Centre, El Behouth St., Dokki, Cairo

Email: mansourhani2011@gmail.com

Accepted 29 November, 2015

 

Abstract

Land use/land cover classification plays an important role in the sustainable management of the natural resources. Remote sensing techniques have been intensively used for land use /land cover classification. Over the last decade new technologies had emerged that increased the accuracy of the produced maps. The aim of this work is to investigate for an effective image classifier by comparing three classifiers i.e. Maximum Likelihood classifier (MLC), Artificial Neural Network (ANN) and Support Vector Machine (SVM) for land use/ land cover classification for a selected area in the north of the Delta of  Egypt. In  this work, the surface reflectance data of  Landsat 7  ETM+  was used. To  reduce the redundancy in the data, the Principal Component Analysis (PCA) was used and the first three PCAs were selected for further analysis. The accuracy of the three classification method was compared using the confusion matrix. In this work the overall accuracy of ANN was not satisfactory using both the ENVI's Neural Net and the neural network Pattern Recognition tool of Matlab and therefore was not recommended in  this study area. The overall accuracy for MLC and SVM was 80.28 and80.64 %, respectively. Both MLC and SVM showed similar overall accuracy with an advantage of MLC when considering the producer and user accuracy. To enhance the classification results, the Normalized Difference Water Index (NDWI) was included and the MLC and SVM were re-examined. This addition enhanced the overall accuracy of MLC to 83.95 % while the SVM decreased to 79.03%. Thus, it is recommended using the MLC when classifying the land use/ land cover in this study area using the same approach.

KeywordsMaximum likelihood classification, artificial neural networks, support vector machine, land use/ land cover, image classification

 

 


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Original Research Article
R. S. Morgan, I. S. Rahim, M. Abd El-Hady
Utilization of Change Vector Analysis for Land Use/ Land Cover Change Detection in a Selected Area in the Northern Delta, Egypt
Glo. Adv. Res. J. Agric. Sci. November 2015 Vol: 4(11): - [Abstract] [Full Text - PDF] (4,039 KB)

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