A novel method for gaze tracking by local pattern model and support vector regressor

Authors:
Hu-Chuan Lu;Guo-Liang Fang;Chao Wang;Yen-Wei Chen
Affiliations:
Department of Electronic Engineering, Dalian University of Technology, Dalian, China;Department of Electronic Engineering, Dalian University of Technology, Dalian, China;Department of Electronic Engineering, Dalian University of Technology, Dalian, China;Department of Electronic Engineering, Dalian University of Technology, Dalian, China and College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Japan
Venue:
Signal Processing
Year:
2010

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Abstract

This paper presents a novel eye gaze tracking method with allowable head movement based on a local pattern model (LPM) and support vector regressor (SVR). The LPM, a combination of improved pixel-pattern-based texture feature (PPBTF) and local-binary-pattern texture feature (LBP), is employed to calculate texture features from the characteristics of the eyes and a new binocular vision scheme is adopted to detect the spatial coordinates of the eyes. The texture features from LPM and the spatial coordinates together are fed into support vector regressor (SVR) to match a gaze mapping function, and subsequently to track gaze direction under allowable head movement. The experimental results show that the proposed approach results in better accuracy in estimating the gaze direction than the state-of-the-art pupil center corneal reflection (PCCR) method.