3D interpretation of conics and orthogonality
CVGIP: Image Understanding
Interpretation of conic motion and its applications
International Journal of Computer Vision
Direct Least Square Fitting of Ellipses
IEEE Transactions on Pattern Analysis and Machine Intelligence
Spatial Localization Of Modelled Objects Of Revolution In Monocular Perspective Vision
ECCV '90 Proceedings of the First European Conference on Computer Vision
FG '00 Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition 2000
Dual-State Parametric Eye Tracking
FG '00 Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition 2000
A Probabilistic Framework for Rigid and Non-Rigid Appearance Based Tracking and Recognition
FG '00 Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition 2000
An Algorithm for Real-Time Stereo Vision Implementation of Head Pose and Gaze Direction Measurement
FG '00 Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition 2000
FGR '02 Proceedings of the Fifth IEEE International Conference on Automatic Face and Gesture Recognition
Non-Contact Eye Gaze Tracking System by Mapping of Corneal Reflections
FGR '02 Proceedings of the Fifth IEEE International Conference on Automatic Face and Gesture Recognition
Planar Conic Based Camera Calibration
ICPR '00 Proceedings of the International Conference on Pattern Recognition - Volume 1
Gaze Manipulation for One-to-one Teleconferencing
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Eye Gaze Estimation from a Single Image of One Eye
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Proceedings of the 2008 symposium on Eye tracking research & applications
ACCV'06 Proceedings of the 7th Asian conference on Computer Vision - Volume Part I
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This paper describes a novel method to estimate visual line from a single monocular image. By assuming that the visual lines of the both eyes are parallel and the iris boundaries are circles, we propose a "two-circle" algorithm that can estimate the normal vector of the supporting plane of the iris boundaries, from which the direction of the visual line can be calculated. Most existing gaze estimation algorithms require eye corners and some heuristic knowledge about the structure of the eye in addition to the iris contours. In contrast to the exiting methods, our one does not use either of those additional information. Another advantage of our algorithm is that a camera with an unknown focal length can be used without assuming the orthographical projection. This is a very useful feature because it allows one to use a zoom lens and to change the zooming factor whenever he or she likes. It also gives one more freedom of the camera setting because keeping the camera far from the eyes is not necessary in our method. The extensive experiments over simulated images and real images demonstrate the robustness and the effectiveness of our method.