NDLI: Pointing with the eyes: Gaze estimation using a static/active camera system and 3D iris disk model

Content Provider	IEEE Xplore Digital Library
Author	Reale, M. Hung, T. Lijun Yin
Copyright Year	2010
Description	Author affiliation: Department of Computer Science, State University of New York at Binghamton (Reale, M.; Hung, T.; Lijun Yin)
Abstract	The ability to capture the direction the eyes point in while the subject is a distance away from the camera offers the potential for intuitive human-computer interfaces, allowing for a greater interactivity, more intelligent HCI behavior, and increased flexibility. In this paper, we present a two-camera system that detects the face from a fixed, wide-angle camera, estimates a rough location for the eye region using an eye detector based on topographic features, and directs another active pan-tilt-zoom camera to focus in on this eye region. We also propose a novel eye gaze estimation approach for point-of-regard (PoG) tracking on a large viewing screen. To allow for greater head pose freedom, we developed a new calibration approach to find the 3D eyeball location, eyeball radius, and fovea position. Moreover, we map both the iris center and iris contour points to the eyeball sphere (creating a 3D iris disk) to get the optical axis; we then rotate the fovea accordingly and compute our final, visual axis gaze direction. We intend to integrate this gaze estimation approach with our two-camera system, permitting natural, non-intrusive, pose-invariant PoG estimation in distance and allowing user translational freedom without resorting to infrared or complex hardware setups such as stereo-cameras or “smart rooms.”
Starting Page	280
Ending Page	285
File Size	1221887
Page Count	6
File Format	PDF
ISBN	9781424474912
ISSN	1945788X
e-ISBN	9781424474936
DOI	10.1109/ICME.2010.5583014
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-19
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Iris Cameras Three dimensional displays Calibration Estimation Face Pixel static/active dual-camera system Eye tracking eye gaze estimation
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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