Artificial neural networks (ANNs) are used for land cover classification using remotely sensed data. Training of a neural network requires that the user specifies the network structure and sets the learning parameters. In this study, the optimum design of ANNs for classification problems is investigated. Heuristics proposed by a number of researchers to determine the optimum values of network parameters are compared using two datasets. Those heuristics that produce the highest classification accuracies are tested using two independent datasets. Comparisons are also made among the ANNs designed using optimum settings, the ANNs based on the worst performing heuristics, and the maximum likelihood classifier. Results show that the use of ANNs with the settings recommended in this study can produce higher classification accuracies than either alternative. A number of guidelines are constructed from the experiences of this study for the effective design and use of artificial neural networks in the classification of remotely sensed image data.
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Document Type: Research Article
Gebze Institute of Technology Cayirova Campus Fabrikalar Yolu, No. 101, P.K. 141 41400, Gebze/Kocaeli Turkey
School of Geography The University of Nottingham Nottingham NG7 2RD UK
Publication date: December 1, 2003
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