L'interaction entre deux modalités complémentaires

Saloua Chlaily 1, 2 Pierre-Olivier Amblard 2 Olivier Michel 2 Christian Jutten 1
1 GIPSA-VIBS - VIBS
GIPSA-DIS - Département Images et Signal
2 GIPSA-CICS - CICS
GIPSA-DIS - Département Images et Signal
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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Saloua Chlaily, Pierre-Olivier Amblard, Olivier Michel, Christian Jutten. L'interaction entre deux modalités complémentaires. XXVIème colloque GRETSI (GRETSI 2017), Sep 2017, Juan-Les-Pins, France. ⟨hal-01504522⟩

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