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Research Paper | Computer Science & Engineering | Bangladesh | Volume 2 Issue 9, September 2013
Handling Uncertainty under Spatial Feature Extraction through Probabilistic Shape Model (PSM)
Ahmed  | Samsuddin | Rahman  | Md. Mahbubur 
Abstract: The Extraction of Spatial Features from remotely sensed data and the use of this information as input into further decision making systems such as geographical information systems (GIS) has received considerable attention over the few decades. The successful use of GIS as a decision support tool can only be achieved, if it becomes possible to attach a quality label to the output of each spatial analysis operation. Thus the accuracy of Spatial Feature Extraction gained more attention as geographic features can hardly formulated in a certain pattern due to intra-class variation and inter-class similarity. Besides these Spatial Feature Extraction further include positional uncertainty, attribute uncertainty, topological uncertainty, inaccuracy, imprecision/inexactitude, inconsistency, incompleteness, repetition, vagueness, noisy, omittance, misinterpretation, misclassification, abnormalities and knowledge uncertainty. To control and reduce uncertainty in an acceptable degree, a Probabilistic shape model is described for Extracting Spatial Features from multi-spectral image. The advantages of this, as opposed to the conventional approaches, are greater accuracy and efficiency, and the results are in a more desirable form for most purposes.
Keywords: Spatial Feature, GIS, Computer Vision, Feature Extraction
Edition: Volume 2 Issue 9, September 2013,
Pages: 222 - 227
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