Journals Articles:

• Xiaoming Liu, "Video-based Face Model Fitting using Adaptive Active Appearance Model", Image and Vision Computing, doi:10.1016/j.imavis.2009.09.016. [pdf]

• Xiaoming Liu, "Discriminative Face Alignment", IEEE Transactions on Pattern Analysis and Machine Intelligence, Volume 31, No.11, pp.1941-1954, November 2009. [pdf]

• Xiaoming Liu, Tsuhan Chen, and Susan M. Thornton, "Eigenspace Updating for Non-Stationary Process and Its Application to Face Recognition", Pattern Recognition, special issue on Kernel and Subspace Methods for Computer Vision, Volume 36, Issue 9, pp.1945-1959, September 2003. [pdf]

• Xiaoming Liu, Tsuhan Chen, and B.V.K. Vijaya Kumar, "Face Authentication for Multiple Subjects Using Eigenflow", Pattern Recognition, special issue on Biometric, Volume 36, Issue 2, pp.313-328, February 2003. [pdf]

• Yueting Zhuang, Xiaoming Liu, Yi Wu, and Yunhe Pan, "A New Approach to Retrieve Video by Example Video Clip", The Chinese Journal of Computers, Volume.23, No.3, pp.300-305, March 2000. (in Chinese)

• Yueting Zhuang, Xiaoming Liu, Yunhe Pan, and Jun Yang, "Human Three Dimension Motion Skeleton Reconstruction of Motion Image Sequence", Journal of Computer-aided Design & Computer Graphics, Volume.12 No.4, pp.245-250, April 2000. (in Chinese)

• Xiaoming Liu, Yueting Zhuang, and Yunhe Pan, "A Video Based Human Skeleton Extraction Technique For Animation", Journal of Computer Research & Development, Volume.37, No.4, pp.498-506, April 2000. (in Chinese)

• Yueting Zhuang, Xiaoming Liu, Chun Chen, Chenyu Zhang, and Weilin Lu, "GDP: The Design and Implementation of Object Oriented and Software Components Techniques", Computer Science, Vol.27 No.1, pp. 40-43, January 2000. (in Chinese)  

• Xiaoming Liu, Yueting Zhuang, and Yunhe Pan, " Model Based Human Motion Tracking", Journal of Computer Research & Development, Vol.36, No.10, pp. 1268-1273, October 1999. (in Chinese)

Conferences Papers:

• Xiaoming Liu, Yan Tong, and Frederick W. Wheeler, “Simultaneous Alignment and Clustering for an Image Ensemble,” Proceeding of International Conference on Computer Vision (ICCV) 2009, Kyoto, Japan, September 27-October 5, 2009. (Acceptance rate 23%) [pdf]

• Jilin Tu, Xiaoming Liu, and Peter Tu, “On Optimizing Subspaces for Face Recognition,” Proceeding of International Conference on Computer Vision (ICCV) 2009, Kyoto, Japan, September 27-October 5, 2009. (Acceptance rate 23%) [pdf]

• Yan Tong, Xiaoming Liu, Frederick W. Wheeler, and Peter Tu, “Automatic Facial Landmark Labeling with Minimal Supervision,” Proceeding of IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2009, Miami Beach, Florida, June 20-26, 2009. (Acceptance rate 26%) [pdf]

• Necmiye Ozay, Yan Tong, Frederick W. Wheeler, and Xiaoming Liu, “Improving Face Recognition with a Quality-based Probabilistic Framework,” Proceeding of IEEE Computer Society Workshop on Biometrics (conjunction with CVPR 2009), Miami Beach, Florida, June 26, 2009. Best Paper Honorable Mention Award. [pdf]

• Hao Wu, Xiaoming Liu, and Gianfranco Doretto, “Face Alignment via Boosted Ranking Models,” Proceeding of IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2008, Anchorage, Alaska, June 24-26, 2008. (Oral presentation, acceptance rate 4%) [pdf]

• Xiaoming Liu, Ting Yu, Thomas Sebastian, and Peter Tu, “Boosted Deformable Model for Human Body Alignment,” Proceeding of IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2008, Anchorage, Alaska, June 24-26, 2008. (Acceptance rate 32%) [pdf]

• Xiaoming Liu and Tsuhan Chen, "Face Mosaicing for Pose Robust Video-Based Recognition",  Proceeding of 8th Asian Conference on Computer Vision (ACCV) 2007, Tokyo, Japan, November 18-22, 2007. (Acceptance rate 32%) [pdf]

• Xiaoming Liu and Ting Yu, "Gradient Feature Selection for Online Boosting", Proceeding of IEEE International Conference on Computer Vision (ICCV) 2007, Rio de Janeiro, Brazil, October 14-20, 2007. (Acceptance rate 24%) [pdf] [avi]

• Frederick Wheeler, Xiaoming Liu, and Peter Tu, "Multi-Frame Super-Resolution for Face Recognition ", Proceeding of IEEE Conference on Biometrics: Theory, Applications and Systems (BTAS) 2007, Washington D.C., September 27-29, 2007. [pdf]

• Xiaoming Liu, Frederick Wheeler, and Peter Tu, "Improved Face Model Fitting on Video Sequences", Proceeding of British Machine Vision Conference (BMVC) 2007, Warwick, UK, September 10-13, 2007. [pdf] [avi]

• Xiaoming Liu, Nils O. Krahnstoever, Ting Yu, and Peter H. Tu, "What are customers looking at?", Proceeding of IEEE International Conference on Advanced Video and Signal-Based Surveillance (AVSS) 2007, London, UK, September 5-7, 2007. (Oral presentation) [pdf]

• Xiaoming Liu, "Generic Face Alignment using Boosted Appearance Model", Proceeding of IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2007, Minneapolis, Minnesota, June 18-23, 2007. (Oral presentation, acceptance rate 5%) [pdf] [ppt]

• Peter Tu, Rebecca Book, Xiaoming Liu, Nils Krahnstoever, Carl Adrian, and Phil Williams, "Automatic Face Recognition from Skeletal Remains", Proceeding of IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2007, Minneapolis, Minnesota, June 18-23, 2007. (Acceptance rate 28%) [pdf]

•  Frederick Wheeler, Xiaoming Liu, Peter Tu, and Ralph Hoctor, "Multi-Frame Image Restoration for Face Recognition", Proceeding of IEEE Signal Processing Society Workshop on Signal Processing Applications for Public Security and Forensics (SAFE) 2007, Washington, DC. 2007. [pdf]

• Xiaoming Liu, Peter Tu, and Frederick Wheeler, "Face Model Fitting on Low Resolution Images", Proceeding of British Machine Vision Conference (BMVC) 2006, Vol.3, pp.1079-1088, Edinburgh, UK, September 4-7, 2006. (Acceptance rate 25%) [pdf]

• Xiaoming Liu, Tsuhan Chen, and Jens Rittscher, "Optimal Pose for Face Recognition", Proceeding of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2006, Vol.2, pp.1439-1446, New York, NY, June 17-22, 2006. (Acceptance rate 28%) [pdf]

• Rodney Goh, Lihao Liu, Xiaoming Liu, and Tsuhan Chen, "The CMU Face In Action (FIA) Database", Proceeding of IEEE International Workshop on Analysis and Modeling of Faces and Gestures, held in conjunction with ICCV-2005, pp. 255-263, Beijing, China, October 16, 2005. [pdf]

• Xiaoming Liu, Peter Tu, Jens Rittscher, Amitha Perera, and Nils Krahnstoever, "Detection and Counting People in Surveillance Applications", Proceeding of IEEE International Conference on, Advanced Video and Signal-Based Surveillance, Teatro Sociale, Como, Italy, September 15-16, 2005. [pdf]

• Xiaoming Liu and Tsuhan Chen, "Pose-Robust Face Recognition Using Geometry Assisted Probabilistic Modeling", Proceeding of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2005, Vol.1, pp.502-509, San Diego, CA, June 20-25, 2005. (Acceptance rate 28%)  [pdf]

• Xiaoming Liu and Tsuhan Chen, "Geometry-assisted Statistical Modeling for Face Mosaicing", Proceeding of the IEEE International Conference on Image Processing (ICIP) 2003, Vol.2, pp.883-886, Barcelona, Spain, 2003. [pdf]

• Xiaoming Liu and Tsuhan Chen, "Video-Based Face Recognition Using Adaptive Hidden Markov Models", Proceeding of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) 2003, Vol.1, pp. 340-345, Madison, Wisconsin, June 16-22, 2003. (Acceptance Rate 23%) [pdf]

• Tsuhan Chen, Yu-Feng Hsu, Xiaoming Liu, and Wende Zhang, "Principle component analysis and its variants for biometrics", Proceedings of the IEEE International Conference on Image Processing (ICIP) 2002, Vol.1, pp. 61-64, Rochester, NY, September 2002. [pdf]

• Xiaoming Liu and Tsuhan Chen, "Shot Boundary Detection Using Temporal Statistics Modeling", Proceeding of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2002, Vol.4, pp.3389-3392, Orlando, Florida, May 13-17, 2002. [pdf]

• Xiaoming Liu, Tsuhan Chen, and B.V.K. Vijaya Kumar, "On Modeling Variations For Face Authentication", Proceedings of the International Conference on Automatic Face and Gesture Recognition 2002, pp. 384-389, Washinton D.C., May 20-21, 2002. [pdf]

• Yueting Zhuang, Xiaoming Liu, and Yunhe Pan, "Apply Semantic Template to Support Content-based Image Retrieval", Proceeding of IS&T and SPIE Storage and Retrieval for Media Databases 2000, San Jose, California, USA. January 23-28, 2000. [pdf]

• Xiaoming Liu, Yueting Zhuang and Yunhe Pan, "Webscope-CBVR: A Customized Content-based Search Engine for Video on WWW", Proceedings of SPIE Vol.3974, Image and Video Communications and Processing 2000, San Jose, California, USA, January 23-28, 2000.

• Xiaoming Liu, Yueting Zhuang, and Yunhe Pan, "Video Based Human Animation Technique", Proceeding of The 7th ACM International Multimedia Conference (Multimedia 99), Orlando, Florida, USA. October 30-November 5, 1999. (Oral presentation, Acceptance rate 18%) [pdf]

• Xiaoming Liu, Yueting Zhuang, and Yunhe Pan, "A New Approach to Retrieve Video by Example Video Clip", Proceeding of The 7th ACM International Multimedia Conference (Multimedia 99), Orlando, Florida, USA. October 30-November 5, 1999. [pdf]

• Yueting Zhuang, Xiaoming Liu, and Yunhe Pan, "Video Motion Capture Using Feature Tracking and Skeleton Reconstruction", Proceeding of IEEE International Conference on Image Processing (ICIP) 1999, Kobe, Japan, October 25-28, pp.232-236, Vol.4, 1999. [pdf]