On fusers that perform better than best sensor

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Abstract

In a multiple sensor system, sensor S i, i = 1,2 ..., N, outputs Y (i) ∈ [0, 1], according to an unknown probability distribution P Y(i)|X, in response to input X ∈ [0, 1]. We choose a fuser - that combines the outputs of sensors - from a function class F = {f: [0, 1] N→[0, 1]} by minimizing empirical error based on an iid sample. If F satisfies the isolation property, we show that the fuser performs at least as well as the best sensor in a probably approximately correct sense. Several well-known fusers, such as linear combinations, special potential functions, and certain feedforward networks, satisfy the isolation property.

Original languageEnglish
Pages (from-to)904-909
Number of pages6
JournalIEEE Transactions on Pattern Analysis and Machine Intelligence
Volume23
Issue number8
DOIs
StatePublished - Aug 2001

Funding

The insightful comments of anonymous reviewers are gratefully acknowledged by the author. In particular, the connections between this work and a number of existing works would not have been possible without the generous input provided by the reviewers. A preliminary version of this paper has been presented in the Proceedings on the First International Conference on Multisource-Multisensor Information Fusion, pp. 19-26, 1998. This research is sponsored by the Engineering Research Program of the Office of Basic Energy Sciences, US Department of Energy, under contract no. DE-AC05-00OR22725 with UT-Battelle, LLC, and the US Office of Naval Research under order N00014-96-F-0415.

FundersFunder number
Office of Basic Energy Sciences
US Department of Energy

    Keywords

    • Fusion rule estimation
    • Information fusion
    • Multiple sensor system
    • Sensor fusion

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