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- W2107081689 abstract "Untethered multimodal interfaces are more attractive than tethered ones because they are more natural and expressive for interaction. Such interfaces usually require robust vision-based body pose estimation and gesture recognition. In interfaces where a user is interacting with a computer using speech and arm gestures, the user's spoken keywords can be recognized in conjuction with a hypothesis of body poses. This co-occurence can reduce the number of body pose hypothesis for the vision based tracker. In this paper we show that incorporating speech-based body pose constraints can increase the robustness and accuracy of vision-based tracking systems.Next, we describe an approach for gesture recognition. We show how Linear Discriminant Analysis (LDA), can be employed to estimate 'good features' that can be used in a standard HMM-based gesture recognition system. We show that, by applying our LDA scheme, recognition errors can be significantly reduced over a standard HMM-based technique.We applied both techniques in a Virtual Home Desktop scenario. Experiments where the users controlled a desktop system using gestures and speech were conducted and the results show that the speech recognised in conjunction with body poses has increased the accuracy of the vision-based tracking system." @default.
- W2107081689 created "2016-06-24" @default.
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- W2107081689 date "2005-10-04" @default.
- W2107081689 modified "2023-09-23" @default.
- W2107081689 title "Inferring body pose using speech content" @default.
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- W2107081689 doi "https://doi.org/10.1145/1088463.1088476" @default.
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