In this paper, we discuss a machine learning approach to automatically detect functional roles played by participants in a face to face interaction. We shortly introduce the coding scheme we used to classify the roles of the group members and the corpus we collected to assess the coding scheme reliability as well as to train statistical systems for automatic recognition of roles. We then discuss a machine learning approach based on multi-class SVM to automatically detect such roles by employing simple features of the visual and acoustical scene. The effectiveness of the classification is better than the chosen baselines and although the results are not yet good enough for a real application, they demonstrate the feasibility of the task of detecting group functional roles in face to face interactions. Copyright 2006 ACM.
Automatic detection of group functional roles in face to face interactions / Zancanaro, M.; Lepri, B.; Pianesi, F.. - (2006), pp. 28-34. ((Intervento presentato al convegno ICMI'06: 8th International Conference on Multimodal Interfaces tenutosi a Banff, AB, can nel 2006.
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Titolo: | Automatic detection of group functional roles in face to face interactions |
Autori: | Zancanaro, M.; Lepri, B.; Pianesi, F. |
Autori Unitn: | |
Titolo del volume contenente il saggio: | ICMI'06: 8th International Conference on Multimodal Interfaces, Conference Proceeding |
Luogo di edizione: | Banff, AB, can |
Casa editrice: | ACM |
Anno di pubblicazione: | 2006 |
Codice identificativo Scopus: | 2-s2.0-34547199929 |
ISBN: | 159593541X |
Handle: | http://hdl.handle.net/11572/272695 |
Citazione: | Automatic detection of group functional roles in face to face interactions / Zancanaro, M.; Lepri, B.; Pianesi, F.. - (2006), pp. 28-34. ((Intervento presentato al convegno ICMI'06: 8th International Conference on Multimodal Interfaces tenutosi a Banff, AB, can nel 2006. |
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