@inproceedings{Zhang14_AVIb,
TITLE = {Pupil-Canthi-Ratio: A Calibration-free Method for Tracking Horizontal Gaze Direction},
AUTHOR = {Zhang, Yanxia and Bulling, Andreas and Gellersen, Hans},
LANGUAGE = {eng},
ISBN = {978-1-4503-2775-6},
DOI = {10.1145/2598153.2598186},
PUBLISHER = {ACM},
YEAR = {2014},
DATE = {2014},
BOOKTITLE = {Proceedings of the 2014 International Working Conference on Advanced Visual Interfaces (AVI 2014)},
EDITOR = {Garzotto, Franca and Paolini, Paolo and De Angeli, Antonella and Jacucci, Giulio and Malizia, Alessio and Matera, Maristella and Lanzilotti, Rosa},
PAGES = {129--132},
ADDRESS = {Como, Italy},
}