- X. Xiong, Q. Cai, Z. Liu, and Z. Zhang, Eye Gaze Tracking Using an RGBD Camera: A Comparison with an RGB Solution, in The 4th International Workshop on Pervasive Eye Tracking and Mobile Eye-Based Interaction (PETMEI 2014), ACM – Association for Computing Machinery, September 2014.
- J.-B. Huang, Q. Cai, Z. Liu, N. Ahuja, and Z. Zhang, Towards Accurate and Robust Cross-Ratio based Gaze Trackers Through Learning From Simulation, in Eye Tracking Research and Applications (ETRA), ACM, March 2014.
- Z. Zhang and Q. Cai, Improving Cross-Ratio-Based Eye Tracking Techniques by Leveraging the Binocular Fixation Constraint, in Eye Tracking Research and Applications (ETRA), ACM, March 2014.
- C. Zhang, Q. Cai, P. Chou, Z. Zhang, and R. Martin-Brualla, Viewport: A Fully Distributed Immersive Teleconferencing System with Infrared Dot Pattern, in IEEE MultiMedia, vol. 20, no. 1, pp. 17-27, IEEE Computer Society, 2013.
- Cha Zhang, Qin Cai, Philip Chou, Zhengyou Zhang, and Ricardo Martin-Brualla, Viewport: A Fully Distributed Immersive Teleconferencing System with Infrared Dot Pattern, no. MSR-TR-2012-60, 1 April 2012.
- Sanjeev Mehrotra, Zhengyou Zhang, Qin Cai, Cha Zhang, and Philip A. Chou, Low-Complexity, Near-Lossless Coding of Depth Maps from Kinect-Like Depth Cameras, in Proceedings of MMSP, IEEE, October 2011.
- Q. Cai, A. Sankaranarayanan, Q. Zhang, Z. Zhang, and Z. Liu, Real Time Head Pose Tracking from Multiple Cameras with a Generic Model, in IEEE Workshop on Analysis and Modeling of Faces and Gestures in conjunction with CVPR 2010, IEEE, June 2010.
- Q. Cai, D. Gallup, C. Zhang and Z. Zhang, "3D Deformable Face Tracking with a Commodity Depth Camera," ECCV 2010, Crete, Greece, Sep. 2010.
- Zhengyou. Zhang, Qin Cai, and Jack W. Stokes, Multichannel Acoustic Echo Cancellation in Multiparty Spatial Audio Conferencing with Constrained Kalman Filtering, in 11th International Workshop on Acoustic Echo and Noise Control, 14 September 2008.