CHAM, Tat Jen
BA PhD Cambridge

Associate Professor &
Director, CeMNet
School of Computer Engineering
Nanyang Technological University
Republic of Singapore

Last update (11th Feb 2009) on research positions available Please click.

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List of Publications

`*' denotes student/intern status at time of publication

Full Refereed Papers

[Pink highlights top venues (journals or conferences). Podium presentations at top conferences have the order of 5% acceptance rate]

bulletM.T. Pham*, V.D.D. Hoang* and T.J. Cham, Detection with multi-exit asymmetric boosting, In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Anchorage, AK, 2008. [PDF]
bulletD. Xu, T.J. Cham, S.C. Yan and S.F. Chang, Near duplicate image identification with spatially aligned pyramid matching, In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Anchorage, AK, 2008. [PDF]
bulletMinh-Tri Pham* and Tat-Jen Cham. Fast training and selection of Haar features using statistics in boosting-based face detection. In Proc. International Conference on Computer Vision (ICCV), Rio de Janeiro, Brazil, 2007. Podium presentation. [PDF]
bulletMinh-Tri Pham* and Tat-Jen Cham. Online learning asymmetric boosted classifiers for object detection. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Minneapolis, MN, 2007. Podium presentation. [PDF]
bulletXi Chen* and Tat-Jen Cham. High distortion and non-structural image matching via feature co-occurrence. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Minneapolis, MN, 2007. [PDF]
bulletJay Summet*, Matthew Flagg*, Tat-Jen Cham, James M. Rehg and Rahul Sukthankar. Shadow elimination and blinding light suppression for interactive projected displays. IEEE Trans. Visualization and Computer Graphics (T-VCG), vol. 13, no. 3, pp. 508-517, 2007.
bulletChai-Kiat Yeo, Liang-Tien Chia, Tat-Jen Cham and Deepu Rajan, Click4BuildingID@NTU: Click for building identification with GPS enabled camera cell phone, In Proc. IEEE International Conference on Multimedia & Expo (ICME), Beijing, China, 2007.
bulletHon-Keat Pong* and Tat-Jen Cham. Optimal cascade construction for detection using 3D models. In Proc. International Conference on Pattern Recognition (ICPR), Hong Kong, China, volume 1, pages 808-811. 2006. [PDF]
bulletMichael S. Brown, Peng Song* and Tat-Jen Cham. Image pre-conditioning for out-of-focus projector blur. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), New York, NY, volume 2, pages 1956-1963, 2006. [PDF]
bulletHon-Keat Pong* and Tat-Jen Cham. Alignment of 3D models to images using region-based mutual information and neighborhood extended Gaussian images, In Proc. Asian Conference on Computer Vision (ACCV), Hyderabad, India, pages 60-69, 2006. Podium presentation. [PDF]
bulletHon-Keat Pong* and Tat-Jen Cham. Object detection using a cascade of 3D models, In Proc. Asian Conference on Computer Vision (ACCV), Hyderabad, India, pages 284-293, 2006. Podium presentation. [PDF]
bulletMinh-Tri Pham* and Tat-Jen Cham. Detection caching for faster object detection. In Proc. IEEE International Workshop on Modeling People and Human Interaction (PHI), Beijing, China, 2005. Podium presentation. [PDF]
bulletPeng Song* and Tat-Jen Cham. A theory for photometric self-calibration of multiple overlapping projectors and cameras. In Proc. IEEE International Workshop on Projector-Camera Systems (PROCAMS), San Diego, CA, 2005. Joint Best Paper Award. [PDF]
bulletXi Chen* and Tat-Jen Cham. Learning feature distance measures for image correspondences. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Diego, CA, 2005. [PDF]
bulletZhou Feng* and Tat-Jen Cham. Video-based human action classification with ambiguous correspondences. In Proc. IEEE Workshop on Vision for Human-Computer Interaction (V4HCI), San Diego, CA, 2005. Podium presentation. [PDF]
bulletJay Summet*, Matthew Flagg*, Mark Ashdown, Rahul Sukthankar, Jim Rehg, Gregory Abowd and  Tat-Jen Cham. Robust projected displays for ubiquitous computing, In Proc. UbiComp Workshop on Ubiquitous Display Environments, Nottingham, England, 2004. [PDF]
bulletXi Chen* and Tat-Jen Cham. Discriminative distance measures for image matching. In Proc. Intl. Conference on Pattern Recognition (ICPR), Cambridge, England, pages 691-695, 2004. [PDF]
bulletTat-Jen Cham, James M. Rehg, Rahul Sukthankar and Gita Sukthankar. Shadow elimination and occluder light suppression for multi-projector displays. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Madison, WI,  pages 513-520, 2003. [PDF]
bulletTat-Jen Cham, Shyam Krishnamoorthy* and Michael Jones. Analogous view transfer for gaze correction in video sequences. In Proc. International Conference on Automation, Robotics, Control and Vision (ICARCV), Singapore, 2002. Podium presentation. [PDF]
bulletJames M. Rehg, Matthew Flagg*, Tat-Jen Cham, Rahul Sukthankar and Gita Sukthankar. Projected light displays using visual feedback. In Proc. International Conference on Automation, Robotics, Control and Vision (ICARCV), Singapore, 2002. Podium presentation. [PDF]
bulletDavid E. DiFranco*, Tat-Jen Cham and James M. Rehg. Recovery of 3D articulated models from 2D correspondences. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Kauai, HI,  pages 307-314, 2001. Podium presentation. [PDF]
bulletRahul Sukthankar, Tat-Jen Cham and Gita Sukthankar. Dynamic shadow elimination for multi-projector presentation systems. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Kauai, HI,  pages 151-157, 2001. [PDF]
bulletVladimir Pavlovic, James M. Rehg and Tat-Jen Cham. A dynamic Bayesian network approach to tracking using learned switching dynamic models. In Proc. International Workshop on Hybrid Systems: Computation and Control (HSCC), Pittsburgh, PA, pages 366-380, 2000.
bulletJames M. Rehg, Sing Bing Kang, and Tat-Jen Cham. Video-editing using figure tracking and image-based rendering. In Proc. International Conference on Image Processing (ICIP), Vancouver, BC, 2000. [PDF]
bulletTat-Jen Cham and James M. Rehg. Dynamic feature ordering for efficient spatial registration. In Proc. International Conference on Computer Vision (ICCV), Kerkyra, Greece, pages 1084-1091, 1999. Podium presentation. [PDF]
bulletVladimir Pavlovic, James M. Rehg, Tat-Jen Cham and Kevin Murphy*. A dynamic Bayesian network approach to figure tracking using learned dynamical models. In Proc. International Conference on Computer Vision (ICCV), Kerkyra, Greece, pages 94-101, 1999.  Podium presentation. [PDF]
bulletTat-Jen Cham and James M. Rehg. A multiple hypothesis approach to figure tracking. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Fort Collins, CO, vol 2, pages 239-245, 1999. Podium presentation. [PDF]
bulletTat-Jen Cham and Roberto Cipolla. Automated B-spline curve representation incorporating MDL and error-minimizing control point insertion strategies. IEEE Transactions on Pattern Analysis and Machine Intelligence (T-PAMI), 21(1):49-53, 1999. [PDF]
bulletTat-Jen Cham and James M. Rehg. A multiple hypothesis approach to figure tracking. In Proc. Workshop on Perceptual User Interfaces (PUI), San Francisco, CA, pages 19-24, 1998. Podium presentation.
bulletTat-Jen Cham and Roberto Cipolla. A statistical framework for long-range feature matching in uncalibrated image mosaicing. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Santa Barbara, CA, pages 442-447, 1998. [PDF]
bulletTat-Jen Cham and Roberto Cipolla. Stereo coupled active contours. In Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), San Juan, PR, pages 1094-1099, 1997. Podium presentation. [PDF]
bulletTat-Jen Cham and Roberto Cipolla. B-spline curve representation with MDL-based active contours. In Proc. British Machine Vision Conference (BMVC), Edinburgh, Scotland, pages 363-372, 1996. Nominated for Best Science Paper prize. [PDF]
bulletTat-Jen Cham and Roberto Cipolla. Geometric saliency of curve correspondences and grouping of symmetric contours. In Proc. European Conference on Computer Vision (ECCV), Cambridge, England, pages 385-398, 1996. Joint Best Paper Prize. [PDF]
bulletTat-Jen Cham and Roberto Cipolla. Symmetry detection through local skewed symmetries. Image and Vision Computing (IVC), 13(5):439-450, 1995. [Scanned PDF]
bulletTat-Jen Cham and Roberto Cipolla. A local approach to recovering global skewed symmetry. In Proc. International Conference on Pattern Recognition (ICPR), pages 222-226, Jerusalem, Israel, 1994. Podium presentation.
bulletTat-Jen Cham and Roberto Cipolla. Skewed symmetry detection through local skewed symmetries. In Proc. British Machine Vision Conference (BMVC), York, England, 1994. Joint Best Science Paper Prize. [Associated Tech Report -- PDF]

Short Refereed Papers

bulletTat-Jen Cham, G. Sukthankar and Rahul Sukthankar. Shadow elimination and occluder light suppression for multi-projector presentation systems. Demo session at IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Kauai, Hawaii, 2001.
bulletHan Chen*, Rahul Sukthankar, Grant Wallace and Tat-Jen Cham. Calibrating scalable multi-projector displays using camera homography trees. Technical Sketch at IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Kauai, Hawaii, 2001.
bulletRahul Sukthankar, Tat-Jen Cham, Gita Sukthankar and James M. Rehg. Self-calibrating camera-projector systems for interactive displays and presentations, Demo session at International Conference on Computer Vision (ICCV), Vancouver, BC, Canada, 2001.

Non-Refereed Papers

bulletChen Hui Ong*, Nelly Kasim*, Sajindra K.B. Jayasena*, Larry Rudolph and Tat-Jen Cham. Proactive detection and recovery of lost mobile phones, In Proc. Singapore-MIT Alliance Annual Symposium, Singapore, 2005. [PDF]

Theses and Reports

bulletTat-Jen Cham, Rahul Sukthankar, James M. Rehg and Gita Sukthankar. Shadow Elimination and Occluder Light Suppression for Multi-Projector Displays. Technical Report CRL 2002/3, Compaq Computer Corp. Cambridge Research Lab, Cambridge MA, May 2002.
bulletDavid E. DiFranco*, Tat-Jen Cham and James M. Rehg. Recovery of 3D articulated models from 2D correspondences. Technical Report CRL 99/7, Compaq Computer Corp. Cambridge Research Lab, Cambridge MA, December 1999.
bulletJames M. Rehg, Sing Bing Kang and Tat-Jen Cham. Video-editing using figure tracking and image-based rendering. Technical Report CRL 99/8, Compaq Computer Corp. Cambridge Research Lab, Cambridge MA, December 1999.
bulletTat-Jen Cham and James M. Rehg. A multiple hypothesis approach to figure tracking. Technical Report CRL 98/8, Compaq Computer Corp. Cambridge Research Lab., Cambridge MA, July 1998.
bulletTat-Jen Cham. Geometric Representation and Grouping of Image Curves. Ph.D Thesis, Department of Engineering, University of Cambridge, August 1996. [PDF]
bulletTat-Jen Cham and Roberto Cipolla. Geometric saliency of curve correspondences and grouping of symmetric contours. Technical Report CUED/F-INFENG/TR 235, University of Cambridge, Oct 1995.
bulletTat-Jen Cham. Visual Symmetry: Towards a Role in Perceptual Organisation. First Year PhD Research Report, June 1994. Department of Engineering, University of Cambridge.
bulletTat-Jen Cham and Roberto Cipolla. A local approach to recovering global skewed symmetry in images. Technical Report CUED/F-INFENG/TR 165, University of Cambridge, Feb 1994.