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26 August 1999 Real-time surveillance and evaluation system for audience reaction to meeting sessions
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Abstract
In this paper, we describe a visual surveillance system for evaluating the audience's reaction in meeting sessions. The system, which works in real-time, can recognize and evaluate the reaction of the audience. It is mainly composed of three subsystems. The first subsystem is a face detection and head motion segmentation system which is used to detect the face from complex background and segment the head motion into different units, with each unit including different information about the audience's reaction. The second subsystem is a gesture and pose recognition syste which can recognize the gestures and the poses of human head. The third subsystem is an evaluation system which is used to evaluate the reaction of the audience by using the recognition result in the second system. Our system has been tested for determining the concentration of the audience in meeting sessions and the experimental results are good.
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Jingshan Tang and Jun Ohya "Real-time surveillance and evaluation system for audience reaction to meeting sessions", Proc. SPIE 3837, Intelligent Robots and Computer Vision XVIII: Algorithms, Techniques, and Active Vision, (26 August 1999); https://doi.org/10.1117/12.360324
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