2012 | OriginalPaper | Buchkapitel
Hierarchical Proportional Redistribution for bba Approximation
verfasst von : Jean Dezert, Deqiang Han, Zhunga Liu, Jean-Marc Tacnet
Erschienen in: Belief Functions: Theory and Applications
Verlag: Springer Berlin Heidelberg
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Dempster’s rule of combination is commonly used in the field of information fusion when dealing with belief functions. However, it generally requires a high computational cost. To reduce it, a basic belief assignment (bba) approximation is needed. In this paper we present a new bba approximation approach called hierarchical proportional redistribution (HPR) allowing to approximate a bba at any given level of non-specificity. Two examples are given to show how our new HPR works.