Journal
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS
Volume 29, Issue 3, Pages 1185-1196Publisher
IOS PRESS
DOI: 10.3233/IFS-151729
Keywords
Fuzziness; misclassification; generalization; boundary point; Divide-and-Conquer strategy
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Funding
- National Natural Science Fund of China [61170040, 71371063]
- Basic Research Project of Knowledge Innovation Program in Shenzhen [20150307181003]
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This paper investigates a relationship between the fuzziness of a classifier and the misclassification rate of the classifier on a group of samples. For a given trained classifier that outputs a membership vector, we demonstrate experimentally that samples with higher fuzziness outputted by the classifier mean a bigger risk of misclassification. We then propose a fuzziness category based divide-and-conquer strategy which separates the high-fuzziness samples from the low fuzziness samples. A particular technique is used to handle the high-fuzziness samples for promoting the classifier performance. The reasonability of the approach is theoretically explained and its effectiveness is experimentally demonstrated.
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