Generic discounting evaluation approach for urban image classification

Authors:
Ahmed Samet;Imen Hammami;Eric Lefèvre;Atef Hamouda
Affiliations:
Laboratory of Research in Programming, Algorithmic and Heuristic Faculty of Science of Tunis, Tunisia;Laboratory of Research in Programming, Algorithmic and Heuristic Faculty of Science of Tunis, Tunisia;Univ. Lille Nord de France UArtois, Béthune, France;Laboratory of Research in Programming, Algorithmic and Heuristic Faculty of Science of Tunis, Tunisia
Venue:
IUKM'13 Proceedings of the 2013 international conference on Integrated Uncertainty in Knowledge Modelling and Decision Making
Year:
2013

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Abstract

Belief function theory provides a robust framework for uncertain information modeling. It also offers several fusion tools in order to profit from multi-source context. Nevertheless, fusion is a sensible task where conflictual information may appear especially when sources are unreliable. Therefore, measuring source's reliability has been the center of many research and development. Existing solutions for source's reliability estimation are based on the assumption that distance is the only factor for conflictual situations. Indeed, integrating only distance measures to estimate source's reliability is not sufficient where source's confusion may be also considered as conflict origin. In this paper, we tackle reliability estimation and we introduce a new discounting operator that considers those two possible conflict origins. We propose an automatic method for discounting factor calculation. Those factors are integrated on belief classifier and tested on high-resolution image classification problem.