Publications
1999. Statecharts via process algebra. CONCUR'99: concurrency theory: 10th International Conference, Eindhoven, the Netherlands, August 24-27, 1999: proceedings. :399-399.
2004. Visibility Planning: Predicting Continuous Period of Unobstructed Views. Technical Reports from UMIACS.
2005. Fast illumination-invariant background subtraction using two views: error analysis, sensor placement and applications. Computer Vision and Pattern Recognition, 2005. CVPR 2005. IEEE Computer Society Conference on. 1:1071-1078vol.1-1071-1078vol.1.
2006. Constructing task visibility intervals for video surveillance. Multimedia systems. 12(3):211-226.
2006. A One-Threshold Algorithm for Detecting Abandoned Packages Under Severe Occlusions Using a Single Camera. Technical Reports from UMIACS.
2004. Uncalibrated stereo rectification for automatic 3D surveillance. Image Processing, 2004. ICIP '04. 2004 International Conference on. 2:1357-1360Vol.2-1357-1360Vol.2.
2005. Constructing task visibility intervals for a surveillance system. Proceedings of the third ACM international workshop on Video surveillance & sensor networks. :141-148.
2009. System and method for fast illumination-invariant background subtraction .... 11/282,513(7512250)
2003. Scalable image-based multi-camera visual surveillance system. Proceedings. IEEE Conference on Advanced Video and Signal Based Surveillance, 2003.. :205-212.
2007. An ease-of-use stereo-based particle filter for tracking under occlusion. Human Motion–Understanding, Modeling, Capture and Animation. :225-239.
2003. Image-based pan-tilt camera control in a multi-camera surveillance environment. Multimedia and Expo, 2003. ICME '03. Proceedings. 2003 International Conference on. 1:I-645-8vol.1-I-645-8vol.1.
2008. How Do Users Find Things with PubMed? Towards Automatic Utility Evaluation with User Simulations
2009. Multiple instance Feature for robust part-based object detection. Computer Vision and Pattern Recognition, 2009. CVPR 2009. IEEE Conference on. :405-412.
2010. Shape analysis and its applications in image understanding. IEEE transactions on pattern analysis and machine intelligence. 32(4):604-618.
2009. The Curse of Zipf and Limits to Parallelization: A Look at the Stragglers Problem in MapReduce. Proceedings of LSDS-IR workshop. :57-62.
2008. Learning pairwise dissimilarity profiles for appearance recognition in visual surveillance. Advances in Visual Computing. :23-34.
2005. Representation of information needs and the elements of context: A case study in the domain of clinical medicine. In Proceedings of the ACM SIGIR 2005 Workshop on Information Retrieval in Context (IRiX 2005).
2006. The role of knowledge in conceptual retrieval: a study in the domain of clinical medicine. Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval. :99-106.
2007. An exploration of the principles underlying redundancy-based factoid question answering. ACM Transactions on Information Systems. 25(2)
2008. Navigating information spaces: A case study of related article search in PubMed. Information Processing & Management. 44(5):1771-1783.