Inicio  /  Applied Sciences  /  Vol: 11 Par: 4 (2021)  /  Artículo
ARTÍCULO
TITULO

Bayesian Feature Fusion Using Factor Graph in Reduced Normal Form

Amedeo Buonanno    
Antonio Nogarotto    
Giuseppe Cacace    
Giovanni Di Gennaro    
Francesco A. N. Palmieri    
Maria Valenti and Giorgio Graditi    

Resumen

In this work, we investigate an Information Fusion architecture based on a Factor Graph in Reduced Normal Form. This paradigm permits to describe the fusion in a completely probabilistic framework and the information related to the different features are represented as messages that flow in a probabilistic network. In this way we build a sort of context for observed features conferring to the solution a great flexibility for managing different type of features with wrong and missing values as required by many real applications. Moreover, modifying opportunely the messages that flow into the network, we obtain an effective way to condition the inference based on the different reliability of each information source or in presence of single unreliable signal. The proposed architecture has been used to fuse different detectors for an identity document classification task but its flexibility, extendibility and robustness make it suitable to many real scenarios where the signal can be wrongly received or completely missing.

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