Abstract
Thanks to the recent progresses in judicial proceedings management, especially related to the introduction of audio/video recording systems, semantic retrieval is a key challenge. In this context emotion recognition engine, through the analysis of vocal signature of actors involved in judicial proceedings, could provide useful annotations for semantic retrieval of multimedia clips. With respect to the generation of semantic emotional tag in judicial domain, two main contributions are given: (1) the construction of an Italian emotional database for Italian proceedings annotation; (2) the investigation of a hierarchical classification system, based on risk minimization method, able to recognize emotional states from vocal signatures. In order to estimate the degree of affection we compared the proposed classification method with SVM, K-Nearest Neighbors and Naive Bayes, highlighting in terms of classification accuracy, the improvements given by a hierarchical learning approach.
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Fersini, E., Messina, E., Arosio, G., Archetti, F. (2009). Audio-Based Emotion Recognition in Judicial Domain: A Multilayer Support Vector Machines Approach. In: Perner, P. (eds) Machine Learning and Data Mining in Pattern Recognition. MLDM 2009. Lecture Notes in Computer Science(), vol 5632. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03070-3_45
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DOI: https://doi.org/10.1007/978-3-642-03070-3_45
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