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- W2155707977 abstract "An optimal Bayesian classifier using mixture distribution class models with joint learning of loss and prior probability functions is proposed for automatic land cover classification. The probability distribution for each land cover class is more realistically modeled as a population of Gaussian mixture densities. A novel two-stage learning algorithm is proposed to learn the Gaussian mixture model parameters for each land cover class and the optimal Bayesian classifier that minimizes the loss due to misclassification. In the first stage, the Gaussian mixture model parameters for a given land cover class is learned using the Expectation-Maximization algorithm. The Minimum Description Length principle is used to automatically determine the number of Gaussian components required in the mixture model without overfitting. In the second stage, the loss functions and the a priori probabilities are jointly learned using a multiclass perceptron algorithm. Preliminary results indicate that modeling the multispectral, multitemporal remotely sensed radiance data for land cover using a Gaussian mixture model is superior to using unimodal Gaussian distributions. Higher classification accuracies for eight typical land cover categories over one full Landsat scene in central Missouri are demonstrated." @default.
- W2155707977 created "2016-06-24" @default.
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- W2155707977 date "2002-11-07" @default.
- W2155707977 modified "2023-09-26" @default.
- W2155707977 title "Optimal Bayesian classifier for land cover classification using Landsat TM data" @default.
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- W2155707977 doi "https://doi.org/10.1109/igarss.2000.860560" @default.
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