How to find trouble in communication
Speech Communication - Special issue on speech and emotion
The production and recognition of emotions in speech: features and algorithms
International Journal of Human-Computer Studies - Application of affective computing in humanComputer interaction
An introduction to variable and feature selection
The Journal of Machine Learning Research
ICDM'10 Proceedings of the 10th industrial conference on Advances in data mining: applications and theoretical aspects
Multimedia data mining: state of the art and challenges
Multimedia Tools and Applications
Emotional states in judicial courtrooms: An experimental investigation
Speech Communication
International Journal of Speech Technology
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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.