Perceptual Components for Context Aware Computing
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Ontology and Taxonomy Collaborated Framework for Meeting Classification
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Automatic Analysis of Multimodal Group Actions in Meetings
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IEA/AIE '08 Proceedings of the 21st international conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems: New Frontiers in Applied Artificial Intelligence
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In this paper we present a meeting state recognizer based on a combination of multi-modal sensor data in a smart room. Our approach is based on the training of a statistical model to use semantical cues generated by perceptual components. These perceptual components generate these cues in processing the output of one or multiple sensors. The presented recognizer is designed to work with an arbitrary combination of multi-modal input sensors. We have defined a set of states representing both meeting and non-meeting situations, and a set of features we base our classification on. Thus, we can model situations like presentation or break which are important information for many applications. We have hand-annotated a set of meeting recordings to verify our statistical classification, as appropriate multi-modal corpora are currently very sparse. We have also used several statistical classification methods for the best classification, which we validated on the hand-annotated corpus of real meeting data.