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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.