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Conference Paper Distance-invariant Automatic Engagement Level Recognition using Visual Cues
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Authors
Woo-han Yun, Dongjin Lee, Chankyu Park, Jaehong Kim
Issue Date
2015-10
Citation
International Conference on Graphic and Image Processing (ICGIP) 2015, pp.1-5
Language
English
Type
Conference Paper
Abstract
In a camera-based engagement level recognition, a face is an important factor because cues mainly come from a face, which is affected from a distance between a camera and a user. In this paper, we present an automatic engagement level recognition method showing stable performance regardless of a distance between a camera and a user. We show a detailed process about getting a distance-invariant cue and compare its performance with and without the process. We also adopt a temporal pyramid structure to extract temporal statistical feature and present a voting method for an engagement level estimation. We show the results and the analysis using the database acquired in the real environment.
KSP Keywords
Real environment, Recognition method, Statistical Features, Visual cues, Voting method, camera based, pyramid structure, stable performance