Q Ji, Z Zhu, P Lan - IEEE transactions on vehicular technology, 2004 - ieeexplore.ieee.org
This paper describes a real-time online prototype driver-fatigue monitor. It uses remotely located charge-coupled-device cameras equipped with active infrared illuminators to …
Y Zhang, Q Ji - IEEE Transactions on pattern analysis and …, 2005 - ieeexplore.ieee.org
This paper explores the use of multisensory information fusion technique with dynamic Bayesian networks (DBN) for modeling and understanding the temporal behaviors of facial …
Y Li, S Wang, Y Zhao, Q Ji - IEEE Transactions on image …, 2013 - ieeexplore.ieee.org
The tracking and recognition of facial activities from images or videos have attracted great attention in computer vision field. Facial activities are characterized by three levels. First, in …
An active contour tracker is presented which can be used for gaze-based interaction with off- the-shelf components. The underlying contour model is based on image statistics and …
Z Zhu, Q Ji - Computer Vision and Image Understanding, 2005 - Elsevier
Most eye trackers based on active IR illumination require distinctive bright pupil effect to work well. However, due to a variety of factors such as eye closure, eye occlusion, and …
The accuracy of face alignment affects the performance of a face recognition system. Since face alignment is usually conducted using eye positions, an accurate eye localization …
A George, A Routray - IET Computer Vision, 2016 - Wiley Online Library
Iris centre (IC) localisation in low‐resolution visible images is a challenging problem in computer vision community due to noise, shadows, occlusions, pose variations, eye blinks …
Y Tong, J Chen, Q Ji - IEEE transactions on pattern analysis …, 2008 - ieeexplore.ieee.org
Facial expression is a natural and powerful means of human communication. Recognizing spontaneous facial actions, however, is very challenging due to subtle facial deformation …