Publications
1999. Statecharts via process algebra. CONCUR'99: concurrency theory: 10th International Conference, Eindhoven, the Netherlands, August 24-27, 1999: proceedings. :399-399.
2007. An ease-of-use stereo-based particle filter for tracking under occlusion. Human Motion–Understanding, Modeling, Capture and Animation. :225-239.
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.
2003. Scalable image-based multi-camera visual surveillance system. Proceedings. IEEE Conference on Advanced Video and Signal Based Surveillance, 2003.. :205-212.
2009. System and method for fast illumination-invariant background subtraction .... 11/282,513(7512250)
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.
2007. An exploration of the principles underlying redundancy-based factoid question answering. ACM Transactions on Information Systems. 25(2)
2010. Shape-based human detection and segmentation via hierarchical part-template matching. Pattern Analysis and Machine Intelligence, IEEE Transactions on. 32(4):604-618.
2009. Recognizing actions by shape-motion prototype trees. Computer Vision, 2009 IEEE 12th International Conference on. :444-451.
2008. A pose-invariant descriptor for human detection and segmentation. Computer Vision–ECCV 2008. :423-436.
2008. Navigating information spaces: A case study of related article search in PubMed. Information Processing & Management. 44(5):1771-1783.
2009. Brute force and indexed approaches to pairwise document similarity comparisons with MapReduce. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval. :155-162.
2009. A cost-effective lexical acquisition process for large-scale thesaurus translation. Language resources and evaluation. 43(1):27-40.
2003. Question answering from the web using knowledge annotation and knowledge mining techniques. Proceedings of the twelfth international conference on Information and knowledge management. :116-123.
2003. What makes a good answer? The role of context in question answering Human-Computer Interaction, Interact '03. :25-25.
2007. Syntactic sentence compression in the biomedical domain: facilitating access to related articles. Information Retrieval. 10(4):393-414.