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L'interaction entre deux modalités complémentaires

Abstract : It is generally assumed that the joint processing of multimodal measurements leads to better performance than that obtained by exploiting a single modality, or all modalities independently. Under what conditions is this statement true or false? To answer this, we consider a simple example of two modalities correlated via information-bearing signals and noise. In this very simple framework, we can analyze meticulously the impact of these correlations on performance in terms of information and estimation error. We also show that mismatched correlations has effects, sometimes quite surprising, on performance.
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https://hal.univ-grenoble-alpes.fr/hal-01504522
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Submitted on : Monday, April 10, 2017 - 11:41:34 AM
Last modification on : Wednesday, November 3, 2021 - 7:51:37 AM
Long-term archiving on: : Tuesday, July 11, 2017 - 12:42:50 PM

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  • HAL Id : hal-01504522, version 1

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Saloua Chlaily, Pierre-Olivier Amblard, Olivier Michel, Christian Jutten. L'interaction entre deux modalités complémentaires. GRETSI 2017 - XXVIème Colloque francophone de traitement du signal et des images, Sep 2017, Juan-Les-Pins, France. ⟨hal-01504522⟩

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