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SVM-based segmentation and classification of remotely sensed data

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Support Vector Machines (SVM) is becoming a popular alternative to traditional image classification methods because it makes possible accurate classification from small training samples. Nevertheless, concerns regarding SVM parameterization and computational effort have arisen. This Letter is an evaluation of an automated SVM-based method for image classification. The method is applied to a land-cover classification experiment using a hyperspectral dataset. The results suggest that SVM can be parameterized to obtain accurate results while being computationally efficient. However, automation of parameter tuning does not solve all SVM problems. Interestingly, the method produces fuzzy image-regions whose contextual properties may be potentially useful for improving the image classification process.

Document Type: Research Article


Affiliations: Cadastral Engineering and Geodesy Department, Universidad Distrital Francisco Jose de Caldas, Bogota, Colombia

Publication date: 2008-12-01

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