Neural network combining classifier based on dempster-shafer theory for semantic indexing in video content

Authors:
Rachid Benmokhtar;Benoit Huet
Affiliations:
Département Multimédias, Institut Eurécom, Sophia-Antipolis, France;Département Multimédias, Institut Eurécom, Sophia-Antipolis, France
Venue:
MMM'07 Proceedings of the 13th International conference on Multimedia Modeling - Volume Part II
Year:
2007

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Abstract

Classification is a major task in many applications and in particular for automatic semantic-based video content indexing and retrieval. In this paper, we focus on the challenging task of classifier output fusion. It is a necessary step to efficiently estimate the semantic content of video shots from multiple cues. We propose to fuse the numeric information provided by multiple classifiers in the framework of evidence logic. For this purpose, an improved version of RBF network based on Evidence Theory (NN-ET) is proposed. Experiments are conducted in the framework of TrecVid high level feature extraction task that consists of ordering shots with respect to their relevance to a given semantic class.