Automatic Method for Measuring Eye Blinks Using Split-Interlaced Images

Authors:
Kiyohiko Abe;Shoichi Ohi;Minoru Ohyama
Affiliations:
College of Engineering, Kanto Gakuin University, Kanagawa, Japan 236-8501;School of Engineering, Tokyo Denki University, Tokyo, Japan 101-8457;School of Information Environment, Tokyo Denki University, Chiba, Japan 270-1382
Venue:
Proceedings of the 13th International Conference on Human-Computer Interaction. Part I: New Trends
Year:
2009

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Abstract

We propose a new eye blink detection method that uses NTSC video cameras. This method utilizes split-interlaced images of the eye. These split images are odd- and even-field images in the NTSC format and are generated from NTSC frames (interlaced images). The proposed method yields a time resolution that is double that in the NTSC format; that is, the detailed temporal change that occurs during the process of eye blinking can be measured. To verify the accuracy of the proposed method, experiments are performed using a high-speed digital video camera. Furthermore, results obtained using the NTSC camera were compared with those obtained using the high-speed digital video camera. We also report experimental results for comparing measurements made by the NTSC camera and the high-speed digital video camera.