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I currently work with Bionym Inc. In the past, I have worked with Intel, CognoVision, and University of Toronto. I completed my Ph.D. in Fall 2008 at the DGP lab, Department of Computer Science (University of Toronto) under the supervision of Prof. Ravin Balakrishnan.
Academic Timeline
| Ph.D. (2005-2008) | University of Toronto, Toronto | Automatic Camera Control for Capturing Collaborative Meetings |
| M.S. (2003-2005) | University of Toronto, Toronto | Browsing Archived Meeting Audio and Time-Synchronized Data |
| B.Tech. (1999-2003) | IIT, Bombay | Motion Segmentation Using Spanning Trees and Graph Cuts |
Refereed Journal and Conference Publications
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Ranjan, A., Malik, S. Parallelizing a Face Detection and Tracking System for Multi-Core Processors (8 pages) in Proceedings of CRV 2012 [bibtex] |
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Ranjan, A., Birnholtz, J., Henrikson, R., Balakrishnan, R., Lee, D. Automatic Camera Control Using Unobtrusive Vision and Audio Tracking (8 pages) in Proceedings of GI 2010 [bibtex] [Youtube] |
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Birnholtz, J., Ranjan, A., Balakrishnan, R. Providing Dynamic Visual Information for Collaborative Tasks: Experimenting with Automatic Camera Control (27 pages) in Human Computer Interaction 2010 [EndNote] |
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Wu, M., Ranjan, A., Truong, K. (2009). An Exploration of Social Requirements for Exercise Group Formation (4 pages) in Proceedings of ACM CHI 2009 [bibtex] |
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Ranjan, A., Birnholtz, J. P., Balakrishnan, R. (2008). Improving Meeting Capture by Applying Television Production Principles with Audio and Motion Detection (10 pages) in Proceedings of ACM CHI 2008 [bibtex] [Youtube] |
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Birnholtz, J. P., Ranjan, A., Balakrishnan, R. (2007). Using Motion Tracking Data to Augment Video Recordings in Experimental Social Science Research (10 pages) in Online Proceedings of E-Social Science 2007 [bibtex] |
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Ranjan, A., Birnholtz, J. P., Balakrishnan, R. (2007). Dynamic Shared Visual Spaces: Experimenting with Automatic Camera Control in a Remote Repair Task (10 pages) in Proceedings of ACM CHI 2007 [bibtex] |
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Ranjan, A., Birnholtz, J. P., Balakrishnan, R. (2006). An Exploratory Analysis of Partner Action and Camera Control in a Video-Mediated Collaborative Task (10 pages) in Proceedings of ACM CSCW 2006 [bibtex] (Awarded Honorable Mention paper) |
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Ranjan, A., Balakrishnan, R., Chignell, M. (2006). Searching in Audio: The Utility of Transcripts, Dichotic Presentation, and Time-compression (10 pages) in Proceedings of ACM CHI 2006 [bibtex] |
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Malik, S., Ranjan, A., Balakrishnan, R. (2005). Interacting with Large Displays from a Distance with Vision-Tracked Multi-Finger Gestural Input (10 pages) in Proceedings of ACM UIST 2005 [bibtex] [Youtube] (Invited to a "Best of UIST" reprise session in ACM SIGGRAPH 2006) |
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Tsang, S., Balakrishnan, R., Singh, K., Ranjan, A.. (2004). A Suggestive Interface for Image Guided 3D Sketching (8 pages) in Proceedings of ACM CHI 2004 [bibtex] [Video] |
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Chandran, S., Ranjan, A.. (2004). Combining Spanning Trees and Normalized Cuts for Internet Retrieval (8 pages) in Proceedings of Internet Imaging V, IS&T/SPIE Electronic Imaging 2004 [bibtex] |
Presentations and Talks
| Improving Meeting Capture by Applying Television Production Principles with Audio and Motion Detection, ACM SIGCHI, 2008, Florence . |
| Dynamic Shared Visual Spaces: Experimenting with Automatic Camera Control in a Remote Repair Task, ACM SIGCHI, 2007, San Jose . |
| An Exploratory Analysis of Partner Action and Camera Control in a Video-Mediated Collaborative Task, ACM CSCW, 2006, Banff . |
| Searching in Audio: The Utility of Transcripts, Dichotic Presentation, and Time-compression, ACM SIGCHI, 2006, Montreal . |
| Interacting with Large Displays from a Distance with Vision-Tracked Multi-Finger Gestural Input, UIST Reprise, ACM SIGGRAPH, 2006, Boston . |