2017
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Kangsoo Kim, Gerd Bruder, and Greg Welch, “Exploring the effects of observed physicality conflicts on real-virtual human interaction in augmented reality,” in Proceedings of the 2017 ACM Symposium on Virtual Reality Software (VRST 2017), (Gothenberg, Sweden), Association of Computing Machinery, November 8–10 2017.
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Salam Daher, Kangsoo Kim, Myungho Lee, Ryan Schubert, Gerd Bruder, Jeremy Bailenson, and Greg Welch, Effects of Social Priming on Social Presence with Intelligent Virtual Agents, vol. 10498 of Lecture Notes in Artificial Intelligence. Springer International Publishing, 2017. |
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Kangsoo Kim, Arjun Nagendran, Jeremy N. Bailenson, Andrew Raij, Gerd Bruder, Myungho Lee, Ryan Schubert, Xin Yan, and Gregory F. Welch, “A large-scale study of surrogate physicality and gesturing on human–surrogate interactions in a public space,” Frontiers in Robotics and AI, vol. 4, pp. 1–20, July 2017. |
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Kangsoo Kim, Divine Maloney, Gerd Bruder, Jeremy N. Bailenson, and Greg Welch, “The effects of virtual human’s spatial and behavioral coherence with physical objects on social presence in AR,” Computer Animation and Virtual Worlds, vol. 28, no. 3-4, pp. e1771–n/a, 2017. |
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Ryan Schubert, Gerd Bruder, and Greg Welch, “Abstract: Mitigating perceptual error in synthetic animatronics using visual feature flow,” in Journal of Vision: Abstract Issue 2017, vol. 17, No. 10, p. 331, May 2017. |
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Myungho Lee, Gerd Bruder, and Greg Welch, “Abstract: Exploring the effect of vibrotactile feedback through the floor on social presence in an immersive virtual environment,” Journal of Vision: Abstract Issue 2017, vol. 17, p. 357, May 2017. |
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Salam Daher, Kangsoo Kim, Myungho Lee, Gerd Bruder, Ryan Schubert, Jeremy Bailenson, and Greg Welch, "Poster: Can social presence be contagious? Effects of social presence priming on interaction with virtual humans," in Proceedings of IEEE Symposium on 3D User Interfaces 2017, (Los Angeles , CA), March 18–19 2017.
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Richard Skarbez, Greg Welch, Frederick P. Brooks Jr., and Mary C. Whitton, "Poster: Coherence changes gaze behavior in virtual human interactions," in Proceedings of IEEE Virtual Reality 2017, pp. 287–288, March 2017.
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Myungho Lee, Gerd Bruder, and Greg Welch. (2017). Exploring the effect of vibrotactile feedback through the floor on social presence in an immersive virtual environment. In Proceedings of IEEE Virtual Reality 2017, pp. 105–111, March 2017.
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2016
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Kangsoo Kim, Gerd Bruder, Divine Maloney, and Greg Welch. The influence of real human personality on social presence with a virtual human in augmented reality. In Reiners, D., Iwai, D., and Steinicke, F., editors, ICAT-EGVE 2016 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments. The Eurographics Association. Little Rock, AR, USA, December 7–9, 2016. |
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Ryan Schubert, Greg Welch, Salam Daher, and Andrew Raij. HuSIS: A dedicated space for studying human interactions. IEEE Computer Graphics and Applications, 36(6):26–36, 2016.
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Kangsoo Kim, Ryan Schubert, and Greg Welch. Poster: Exploring the impact of environmental effects on social presence with a virtual human. In Proceedings of the 16th International Conference on Intelligent Virtual Agents (IVA 2016), Los Angeles, CA, September 20–23, 2016. |
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Greg Welch. Highlights of “Immersive Sciences” Research in the U.S.A.: Augmented/Virtual Reality and Human Surrogates.
In Virtual Reality: A View from Overseas, (K. Kiyokawa, ed.), 21(2), pp. 102–111. Virtual Reality Society of Japan, June 2016.
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Myungho Lee, Kangsoo Kim, Salam Daher, Andrew Raij, Ryan Schubert, Jeremy Bailenson, and Greg Welch. The wobbly table: Increased social presence via†subtle incidental movement of a real-virtual table. Proceedings of IEEE Virtual Reality 2016, Greenville, SC, USA, March 19–23, 2016.
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Salam Daher, Kangsoo Kim, Myungho Lee, Andrew Raij, Ryan Schubert, Jeremy Bailenson, and Greg Welch. Poster: Exploring social presence transfer in real-virtual human interaction. Proceedings of IEEE Virtual Reality 2016, Greenville, SC, USA, March 19–23, 2016.
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Jason Hochreiter, Salam Daher, Arjun Nagendran, Laura Gonzalez, and Greg Welch. Optical touch sensing on non-parametric rear-projection surfaces for interactive physical-virtual experiences. Presence: Teleoperators and Virtual Environments, 25(1), 2016. |
2015
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Eleazar Vasquez III, Arjun Nagendran, Greg Welch, Matthew T. Marino, Darin E. Hughes, Aaron Koch, and Lauren Delisio. Virtual learning environments for students with disabilities: A review and analysis of the empirical literature and two case studies. Rural Special Education Quarterly, 34(3):26–32, 2015. |
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Kangsoo Kim and Greg Welch. Maintaining and Enhancing Human-Surrogate Presence in Augmented Reality. Proceedings of IEEE ISMAR 2015 Workshop on Human Perception and Psychology in Augmented Reality, September 29, 2015 (Fukuoka, Japan). |
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Jinghe Zhang, Greg Welch, Naren Ramakrishnan, and Saifur Rahman. Kalman filters for dynamic and secure smart grid state estimation. Intelligent Industrial Systems, pages 1–8, May 28, 2015. |
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Kangsoo Kim, Arjun Nagendran, Jeremy Bailenson, and Greg Welch. Expectancy violations related to a virtual human’s joint gaze behavior in real-virtual human interactions. Proceedings 28th Annual Conference on Computer Animation and Social Agents (CASA 2015), pp. 5–8, Singapore, Singapore, May 11–13, 2015. |
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Charles Hughes, Arjun Nagendran, Lisa Dieker, Michael Hynes, and Greg Welch. Applications of avatar mediated interaction to teaching, training, job skills and wellness. In Brunnett, G., Coquillart, S., van Liere, R., Welch, G., and Vasa, L., editors, Virtual Realities, volume 8844 of Lecture Notes in Computer Science, pages 133–146. Springer International Publishing, 2015. |
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Arjun Nagendran, Greg Welch, Charles Hughes, and Remo Pillat. Technical report: Exploring human surrogate characteristics. In Brunnett, G., Coquillart, S., van Liere, R., Welch, G., and Vasa, L., editors, Virtual Realities, volume 8844 of Lecture Notes in Computer Science, pages 215–228. Springer International Publishing, 2015. |
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Guido Brunnett, Sabine Coquillart, Robert van Liere, Greg Welch, and Libor Vasa, editors. Virtual Realities: International Dagstuhl Seminar, Dagstuhl Castle Germany; June 9–14, 2013; Revised Selected Papers. Number 8844 in Lecture Notes in Computer Science. ISBN: 978-3- 319-17042-8, Springer, 2015. |
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Jason Hochreiter, Salam Daher, Arjun Nagendran, Laura Gonzalez, Greg Welch. Touch sensing on non-parametric rear-projection surfaces: A physical-virtual head for hands-on healthcare training. Proceedings of IEEE Virtual Reality 2015, pages 69–74. Arles, France, March 23– 27, 2015. |
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Ning Zhou, Da Meng, Zhenyu Huang, and Greg Welch. Dynamic state estimation of a synchronous machine using PMU data: A comparative study. IEEE Transactions on Smart Grid, vol. 6, no. 1, pp. 450-460, January, 2015. |
2014
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Greg Welch, Arjun Nagendran, Jeremy Bailenson, Charles Hughes, Pete Muller, and Peter Squire (2014). Mastering the Human Element of Immersive Training, in Naval Science and Technology Future Force, Fall 2014:10–13
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Feng Zheng, Dieter Schmalstieg, and Greg Welch. Pixel-wise closed-loop registration in video-based augmented reality. Proceedings of 2014 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), Munich, Germany, September 2014. |
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Julian Abich and Lauren Reinerman-Jones and Gerald Matthews and Greg Welch and Stephanie Lackey and Charles Hughes and Arjun Nagendran. Good enough yet? a preliminary evaluation of human-surrogate interaction. In Virtual, Augmented and Mixed Reality. Designing and Developing Virtual and Augmented Environments, R. Shumaker and S. Lackey, Eds., vol. 8525 of Lecture Notes in Computer Science. Springer International Publishing, 2014, pp. 239–250. |
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Diane H. Sonnenwald, Hanna M. Söderholm, Greg Welch, Bruce A. Cairns, James E. Manning, and Henry Fuchs, “Illuminating collaboration in emergency health care situations: paramedic-physician collaboration and 3d telepresence technology,” Information Research, (19)2, June, 2014. |
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Arjun Nagendran, Remo Pillat, Adam Kavanaugh, Greg Welch, and Charles Hughes, “Unified Framework for Individualized Avatar-Based Interactions,” Presence: Teleoperators andVirtual Environments, 23(2), Spring 2014.
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Alberico Menozzi, Brian Clipp, Eric Wenger, Jared Heinly, Herman Towles, Jan-Michael Frahm, and Greg Welch, “Development of vision-aided navigation for a wearable outdoor augmented reality system,” in Proceedings of the IEEE/ION Position Location and Navigation Symposium (Monterey, CA, USA, May 2014), IEEE/The Institute of Navigation, pp. 760–772. |
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Jinghe Zhang, Greg Welch, Gary Bishop, and Zhenyu Huang, “A two-stage kalman filtering scheme for robust and real-time power systems state tracking,” IEEE Transactions on Sustainable Energy, 5, 2 (April 2014), 629–636. |
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2013
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Arjun Nagendran, Remo Pillat, Adam Kavanaugh, Greg Welch, and Charles Hughes, “AMITIES: Avatar-mediated interactive training and individualized experience system,” Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology (VRST 2013), October 6-8 2013. |
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David Roberts, Alberico Menozzi, James Cook, Todd Sherrill, Stephen Snarski, Pat Russler, Brian Clipp, Robert Karl, Eric Wenger, Matthew Bennett, Jennifer Mauger, William Church, Herman Towles, Stephen MacCabe, Jeffrey Webb, Jasper Lupo, Jan-Michael Frahm, Enrique Dunn, Christopher Leslie, and Greg Welch, "Testing and evaluation of a wearable augmented reality system for natural outdoor environments," Proc. SPIE, vol. 8735, pp. 87350A-87350A-16, 2013.
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Amela Sadagic, Mathias Kölsch, Greg Welch, Chumki Basu, Chris Darken, Juan P. Wachs, Henry Fuchs, Herman Towles, Neil Rowe, Jan-Michael Frahm, Li Guan, Rakesh Kumar, and Hui Cheng, “Smart instrumented training ranges: bringing automated system solutions to support critical domain needs,” The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology, vol. 10, no. 3, pp. 327–342, 2013.
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Adrian Ilie and Greg Welch, “Automated camera selection and control for better training support,” in Foundations of Augmented Cognition (D. Schmorrow and C. Fidopiastis, eds.), vol. 8027 of Lecture Notes in Computer Science, pp. 50–59, Springer Berlin Heidelberg, 2013. |
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Feng Zheng, Ryan Schubert, and Greg Welch, “A general approach for closed-loop registration in AR,” in Proceedings of IEEE Virtual Reality 2013, (Orlando, FL, USA), March 16–23 2013. |
2012
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Arjun Nagendran, Remo Pillat, Charles Hughes, and Greg Welch. Continuum of virtual-human space: Towards improved interaction strategies for physical-virtual avatars. In Proceedings of 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in Industry (VRCAI 2012), IEEE, December 2012. |
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Ryan Schubert, Greg Welch, Peter Lincoln, Arjun Nagendran, Remo Pillat, and Henry Fuchs. Advances in shader lamps avatars for telepresence. In Proceedings of 3DTV-Conference 2012: The True Vision: Capture, Transmission and Display of 3D Video, (ETH Zurich, Zurich, Switzerland), October 15–17 2012. |
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Ning Zhou, Zhenyu Huang, Yulan Li, and Greg Welch. Local Sequential Ensemble Kalman Filter for Simultaneously Tracking States and Parameters, in Proceedings of 2012 North American Power Symposium, (Urbana-Champaign, IL USA), September 9–11 2012. |
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Greg Welch, Physical-virtual humans: Challenges and opportunities. In Ubiquitous Virtual Reality (ISUVR), 2012 International Symposium on, pp. 10–13, Aug. 2012.
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Ning Zhou, Zhenyu Huang, Greg Welch, and Jinghe Zhang. Identifying the optimal measurement subspace for the ensemble kalman filter. IET Electronics Letters, vol. 48, no. 11, May 2012. |
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Diego Rivera-Gutierrez, Greg Welch, Peter Lincoln, Mary Whitton, Juan Cendan, David A. Chesnutt, Henry Fuchs, and Ben Lok. Shader lamps virtual patients: the physical representation of virtual patients. Medicine Meets Virtual Reality 19 - NextMed, Studies in Health Technology and Informatics, IOS Press, 2012. |
2011
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Greg Welch, Diego Rivera-Gutierrez, Peter Lincoln, Mary Whitton, Juan Cendan, David A. Chesnutt, Henry Fuchs, Ben Lok, and Rick Skarbez. Physical manifestations of virtual patients. Simulation in Healthcare, Volume 6, Issue 6, December, 2011. |
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Adrian Ilie and Greg Welch. On-Line Control of Active Camera Networks for Computer Vision Tasks. Proceedings of 5th ACM/IEEE International Conference on Distributed Smart Cameras, August 22–25, 2011. Awarded 2nd Prize Best ICDSC 2011 Paper.
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Jinghe Zhang, Greg Welch, and Gary Bishop. LoDiM: A Novel Power System State Estimation Method with Dynamic Measurement Selection. In Proceedings of 2011 IEEE Power & Energy Society General Meeting, (Detroit, MI, USA), 26–29 July 2011. |
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Jinghe Zhang, Greg Welch, Gary Bishop, and Zhenyu Huang. Reduced Measurement-Space Dynamic State Estimation (REMEDYSE) for Power Systems. Proceedings of IEEE Trondheim PowerTech 2011 (Trondheim, Norway), 19–23 June 2011. |
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Jinghe Zhang, Greg Welch, and Gary Bishop. Power System State Estimation with Dynamic Optimal Measurement Selection. Proceedings of 2011 IEEE Symposium on Computational Intelligence Applications in Smart Grid, (Paris, France), 11–15 April 2011. |
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Peter Lincoln, Greg Welch, and Henry Fuchs. Continual Surface-Based Multi-Projector Blending for Moving Objects. Proceedings of the IEEE Virtual Reality 2011, pp. 115–118, (Singapore, Singapore), 19–23 March 2011. |
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Greg Welch, Diane H. Sonnenwald, Henry Fuchs, Bruce Cairns, M.D., Ketan Mayer-Patel, Ruigang Yang, Andrei State, Herman Towles, Adrian Ilie, Srinivas Krishnan, and Hanna M. Söderholm. Remote 3D Medical Consultation, in Virtual Realities: Dagstuhl Seminar 2008 (S. Coquillart, G. Brunnett, and G. Welch, eds.), Ch. 8, pp. 139–160, Springer, 2011. |
2010
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Peter Lincoln, Greg Welch, Andrew Nashel, Andrei State, Adrian Ilie, and Henry Fuchs. Animatronic Shader Lamps Avatars. Virtual Reality (Springer), special issue on Augmented Reality, pp. 1–14, 2010. This is an extended version of our ISMAR 2009 paper. |
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Jinghe Zhang, Greg Welch, Gary Bishop, and Zhenyu Huang. Optimal PMU Placement Evaluation for Power System Dynamic State Estimation. In Proceedings of IEEE PES Conference on Innovative Smart Grid Technologies Europe (ISGT 2010), Chalmers Lindholmen, Göteborg, Sweden, October 10–13, 2010. |
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Jinghe Zhang, Greg Welch, and Gary Bishop. Observability and Estimation Uncertainty Analysis for PMU Placement Alternatives. In Proceedings of the 2010 North American Power Symposium (NAPS 2010), Arlington, TX, U.S.A., September 26–28, 2010. |
2009
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Tyler Johnson, Herman Towles, Andrei State, Fu-Che Wu, Greg Welch, Anselmo Lastra, and Henry Fuchs. A Projector-based Physical Sand Table for Tactical Planning and Review. Technical Report TR09-017, University of North Carolina at Chapel Hill, Department of Computer Science, 2009. |
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Amela Sadagic, Greg Welch, Chumki Basu, Chris Darken, Rakesh Kumar, Henry Fuchs, Hui Cheng, Jan-Michael Frahm, Mathias Kolsch, Neil Rowe, Herman Towles, Juan Wachs, and Anselmo Lastra. New Generation of Instrumented Ranges: Enabling Automated Performance Analysis. In Proceedings of the 2009 Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC-2009), Orlando, Florida, U.S.A., November 30–December 3 2009. |
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Peter Lincoln, Greg Welch, Andrew Nashel, Adrian Ilie, Andrei State, and Henry Fuchs. Animatronic Shader Lamps Avatars. Proceedings of 8th IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR’09), October 19–22, 2009. |
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Hua Yang, Greg Welch, Jan-Michael. Frahm, and Marc Pollefeys. 3D Motion Segmentation Using Intensity Trajectory. Proceedings of the 9th Asian Conference on Computer Vision (ACCV 2009), September 23–27 2009. |
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Peter Lincoln, Andrew Nashel, Adrian Ilie, Herman Towles, Greg Welch, and Henry Fuchs. Multi-view lenticular display for group teleconferencing. proceedings of IMMERSCOM 2009, 27–29 May 2009. |
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Greg Welch, Diane H. Sonnenwald, Henry Fuchs, Bruce Cairns, Ketan Mayer-Patel, Hanna M. Söderholm, Ruigang Yang, Andrei State, Herman Towles, Adrian Ilie, Manoj K. Ampalam, Srinivas Krishnan, Vincent Noel, Michael Noland, and James E. Manning. 3D medical collaboration technology to enhance emergency healthcare. The Journal of Biomedical Discovery and Collaboration, 4:4, 2009. |
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Tyler Johnson, Greg Welch, Henry Fuchs, Eric Laforce, and Herman Towles. A Distributed Cooperative Framework for Continuous Multi-Projector Pose Estimation. proceedings of IEEE Virtual Reality 2009, Mar 14–18, 2009. |
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Greg Welch. HISTORY: The Use of the Kalman Filter for Human Motion Tracking in Virtual Reality. Presence: Teleoperators and Virtual Environments, 18(1), 2009. |
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Greg Welch and Larry Davis. Tracking for Training in Virtual Environments: Estimating the Pose of People and Devices for Simulation and Assessment. In J. Cohn, D. Nicholson, and D. Schmorrow, editors, The PSI Handbook of Virtual Environments for Training and Education: Developments for the Military and Beyond, chapter 30. Praeger Security International, 2008. |
2008
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Adrian Ilie, Greg Welch, and Marc Macenko. A Stochastic Quality Metric for Optimal Control of Active Camera Network Configurations for 3D Computer Vision Tasks. in Proceedings of ECCV 2008 workshop on Multi-camera and Multi-modal Sensor Fusion Algorithms and Applications, Marseille, France, October 18 2008. European Conference on Computer Vision (ECCV). |
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Guido Brunnett, Sabine Coquillart, and Greg Welch. 08231 Abstracts Collection—Virtual Realities. Dagstuhl Seminar Proceedings, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany, 2008. |
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Hanna M. Söderholm, Diane H. Sonnenwald, James E. Manning, Bruce Cairns, Greg Welch, and Henry Fuchs. Exploring the Potential of Video Technologies for Collaboration in Emergency Medical Care. Part II: Task Performance. Journal of the American Society for Information Science and Technology (JASIST), 59(14):2335–2349, 14 August 2008. |
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Diane H. Sonnenwald, Hanna M. Söderholm, James E. Manning, Bruce Cairns, Greg Welch, and Henry Fuchs. Exploring the Potential of Video Technologies for Collaboration in Emergency Medical Care. Part I: Information Sharing. Journal of the American Society for Information Science and Technology (JASIST), 59(14):2320–2334, 14 August 2008. |
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Brian Clipp, Rahul Raguram, Jan-Michael Frahm, Greg Welch, and Marc Pollefeys. A Mobile 3D City Reconstruction System. IEEE Virtual Reality 2008 workshop on Cityscapes, March 9, 2008, Reno, Nevada, USA. |
2007
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Marc Pollefeys, David Nister, Jan-Michael Frahm, Amir Akbarzadeh, Philippos Mordohai, Brian Clipp, Chris Engels, David Gallup, Seon Joo Kim, Paul Merrell, C. Salmi, Sudipta Sinha, Brad Talton, Liang Wang, Qing-Xiong Yang, Henrik Stewenius, Ruigang Yang, Greg Welch, and Herman Towles. Detailed Real-Time Urban 3D Reconstruction From Video. International Journal of Computer Vision (IJCV), special issue on “Modeling Large-Scale 3D Scenes. 2007. |
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Brian Clipp, Greg Welch, Jan-Michael Frahm, and Marc Pollefeys, Structure From Motion via a Two-Stage Pipeline of Extended Kalman Filters. Proceedings of the British Machine Vision Conference (BMVC 2007), September 10–13 2007. |
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Hua Yang, Marc Pollefeys, Greg Welch, Jan-Michael Frahm, and Adrian Ilie. Differential Camera Tracking Through Linearizing the Local Appearance Manifold, in Proceedings of the 2007 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR' 07), 2007. |
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Philippos Mordohai, Jan-Michael Frahm, Amir Akbarzadeh, Brian Clipp, Chris Engels, David Gallup, Paul Merrell, Christina Salmi, Sudipta Sinha, Brad Talton, Liang Wang, Qing-Xiong Yang Yang, Henrik Stewénius, Herman Towles, Greg Welch, Ruigang Yang, Marc Pollefeys, and David Nistér. Real-Time Video-Based Reconstruction of Urban Environments, in Proceedings of the ISPRS Working Group V/4 Workshop 3D-ARCH 2007: 3D Virtual Reconstruction and Visualization of Complex Architectures, (ETH Zurich, Switzerland), July 12–13 2007. |
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Greg Welch, B. Danette Allen, Adrian Ilie, and Gary Bishop, Measurement Sample Time Optimization for Human Motion Tracking/Capture Systems. Proceedings of Trends and Issues in Tracking for Virtual Environments, Workshop at the IEEE Virtual Reality 2007 Conference (Charlotte, NC USA) (Gabriel Zachmann, ed.), Shaker, March 11 2007. |
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Greg Welch, Michael Noland, and Gary Bishop, Complementary Tracking and Two-Handed Interaction for Remote 3D Medical Consultation with a PDA. Proceedings of Trends and Issues in Tracking for Virtual Environments, Workshop at the IEEE Virtual Reality 2007 Conference (Charlotte, NC USA) (Gabriel Zachmann, ed.), Shaker, March 11 2007. |
2006
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Diane H. Sonnenwald, Hanna Maurin, Bruce Cairns, James Manning, Eugene Freid, Greg Welch, and Henry Fuchs. Experimental Comparison of the Use of 2D and 3D Telepresence Technologies in Distributed Emergency Medical Situations. In Proceedings of the American Society of Information Science and Technology (ASIS&T 2006), Austin, Texas, November 3-9, 2006. |
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Amir Akbarzadeh, Jan-Michael Frahm, Philippos Mordohai, Brian Clipp, Chris Engels, David Gallup, Paul Merrell, Michael Phelps, Sudipta Sinha, Brad Talton, Liang Wang, Qing-Xiong Yang, Henrik Stewenius, Ruigang Yang, Greg Welch, Herman Towles, David Nistér, and Marc Pollefeys. Towards Urban 3D Reconstruction From Video. In Proceedings of the Third International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT 2006), Chapel Hill, NC, June 2006. |
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Hua Yang and Greg Welch. Illumination Insensitive Model-Based 3D Object Tracking and Texture Refinement. In Proceedings of the Third International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT 2006), The University of North Carolina at Chapel Hill, Chapel Hill, NC USA, June 14-16, 2006. |
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Ruigang Yang, Liang Wang, Greg Welch, and Marc Pollefeys. Stereovision on GPU. In Proceedings of the 2006 Workshop on Edge Computing Using New Commodity Architectures (EDGE 2006), May 23-24 (Chapel Hill, NC, USA). |
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Greg Welch, Vincent Noel, Hua Yang, Andrei State, Adrian Ilie, Ruigang Yang, Marc Pollefeys, and Henry Fuchs. GPU-Based View Synthesis Using an Orbital Reconstruction Frustum. In Proceedings of the 2006 Workshop on Edge Computing Using New Commodity Architectures (EDGE 2006), May 23–24 (Chapel Hill, NC, USA). |
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Andrei State, Greg Welch, and Adrian Ilie. An Interactive Camera Placement and Visibility Simulator for Image-Based VR Applications. Proceedings of the Engineering Reality of Virtual Reality 2006 (3D Imaging, Interaction, and Measurement; IS&T/SPIE 18th Annual Symposium on Electronic Imaging Science and Technology), San Jose, CA, January 2006. |
2005
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Greg Welch, Henry Fuchs, Bruce Cairns, Ketan Mayer-Patel, Diane H. Sonnenwald, Ruigang Yang , Andrei State, Herman Towles, Adrian Ilie, Michael Noland, Vincent Noel, and Hua Yang. Improving, Expanding and Extending 3D Telepresence. In Proceedings of the 2005 International Workshop on Advanced Information Processing for Ubiquitous Networks, with ICAT 2005, Christchurch, New Zealand, December 8, 2005. |
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Hua Yang and Greg Welch. Model-Based 3D Object Tracking Using an Extended-Extended Kalman Filter and Graphics Rendered Measurements, in Proceedings of 1st Computer Vision for Interactive and Intelligent Environments (CV4IIE) workshop, University of Kentucky, Lexington, KY. |
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Greg Welch, Diane Sonnenwald, Ketan Mayer-Patel, Ruigang Yang, Andrei State, Herman Towles, Bruce Cairns, and Henry Fuchs, Remote 3D Medical Consultation. Proceedings of BROADMED: 1st IEEE/CreateNet International Workshop on Telemedicine Over Broadband and Wireless Networks, (Boston, MA, USA), October 2005. |
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Adrian Ilie and Greg Welch. Ensuring Color Consistency Across Multiple Cameras. Proceedings of the International Conference on Computer Vision (ICCV), 2:1268-1275, October, 2005, in Beijing, China. |
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Greg Welch, Ruigang Yang, Sascha Becker, Adrian Ilie, Dan Russo, Jesse Funaro, Andrei State, Kok-Lim Low, Anselmo Lastra, Herman Towles, Bruce Cairns, M.D., Henry Fuchs, and Andy van Dam. Immersive Electronic Books for Surgical Training. IEEE Multimedia, 12(3):22–35, July–September 2005. |
2004
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Greg Welch, Ruigang Yang, Bruce Cairns, M.D., Herman Towles, Andrei State, Adrian Ilie, Sascha Becker, Dan Russo, Jesse Funaro, Diane Sonnenwald, Ketan Mayer-Patel,B. Danette Allen, Hua Yang, Eugene Freid, M.D., Andy van Dam, and Henry Fuchs. 3D Telepresence for Off-Line Surgical Training and On-Line Remote Consultation. Susumu Tachi, editor. Proceedings of ICAT CREST Symposium on Telecommunication, Teleimmersion, and Telexistence," The University of Tokyo, Tokyo, Japan, December 2004. Invited submission. |
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Adrian Ilie, Kok-Lim Low, Greg Welch, Anselmo Lastra, Henry Fuchs and Bruce Cairns (2004). Combining Head-Mounted and Projector-Based Displays for Surgical Training. Presence: Teleoperators and Virtual Environments 13(2). This is an extended version of our IEEE VR 2003 paper. |
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Ruigang Yang, Marc Pollefeys, Hua Yang, and Greg Welch (2004). A Unified Approach to Real-Time, Multi-Resolution, Multi-Baseline 2D View Synthesis and 3D Depth Estimation using Commodity Graphics Hardware, International Journal of Image and Graphics (IJIG), 4(4): 1-25. |
2003
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Ruigang Yang, Marc Pollefeys, and Greg Welch (2003). Dealing with Textureless Regions and Specular Highlights—A Progressive Space Carving Scheme Using a Novel Photo-consistency Measure, 9th International Conference on Computer Vision, October 13–16, Nice, France, IEEE Computer Society. |
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Kok-Lim Low, Adrian Ilie, Greg Welch, and Anselmo Lastra (2003). Combining Head-Mounted and Projector-Based Displays for Surgical Training. Proceedings of IEEE Virtual Reality 2003. Los Angeles, California. (March 22-26, 2003).
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Ruigang Yang and Greg Welch. Real-time consensus-based scene reconstruction using commodity graphics hardware. Computer Graphics Forum (invited submission), 22(2):207-216, 2003. |
2002
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Andy van Dam, Henry Fuchs, Sascha Becker, Loring Holden, Adrian Ilie, Kok-Lim Low, Anne Morgan Spalter, Ruigang Yang, and Greg Welch (2002). Immersive Electronic Books for Teaching Surgical Procedures. Pre-ICAT CREST Symposium on Telecommunication, Teleimmersion, and Telexistence, December 3, 2002. The University of Tokyo, Tokyo, Japan. Invited submission.
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Ruigang Yang and Greg Welch (2002). Fast Image Segmentation and Smoothing Using Commodity Graphics Hardware, Journal of Graphics Tools, special issue on Hardware-Accelerated Rendering Techniques, 7(4):91-100.
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Greg Welch and Eric Foxlin (2002). Motion Tracking: No Silver Bullet, but a Respectable Arsenal, IEEE Computer Graphics and Applications, special issue on Tracking, November/December 2002, 22(6): 24–38. Invited submission.
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Ruigang Yang and Greg Welch, Gary Bishop (2002). Real-Time Consensus-Based Scene Reconstruction using Commodity Graphics Hardware. Proceedings of Pacific Graphics 2002. Tsinghua University, Beijing, China (October 9-11, 2002). |
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Rich Superfine, Gary Bishop, Jeremy Cummings, Jay Fisher, Kurtis Keller, G. Matthews, D. Sill, Russell M. Taylor II, Leandra Vicci, Chris Weigle, Greg Welch and Benjamin Wilde (August 4-8, 2002) "Touching In Biological Systems: A 3D Force Microscope." MSA—Microscopy and Microanalysis 2002, Quebec City, Canada. published in Proceedings of MSA—Microscopy and Microanalysis 2002. |
2001
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Greg Welch and Gary Bishop. An Introduction to the Kalman Filter, SIGGRAPH 2001 course 8. In Computer Graphics, Annual Conference on Computer Graphics & Interactive Techniques. ACM Press, Addison-Wesley, Los Angeles, CA, USA (August 12–17), SIGGRAPH 2001 course pack edition, 2001. (The course slides are also available.) |
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Bonnie Danette Allen, Gary Bishop, and Greg Welch. Tracking: Beyond 15 Minutes of Thought, SIGGRAPH 2001 course 11. In Computer Graphics, Annual Conference on Computer Graphics & Interactive Techniques. ACM Press, Addison-Wesley, Los Angeles, CA, USA (August 12–17), SIGGRAPH 2001 course pack edition, 2001. (The course slides are also available.) |
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Ramesh Raskar, Greg Welch, Kok-Lim Low, and Deepak Bandyopadhyay (2001). Shader Lamps: Animating Real Objects With Image-Based Illumination. Rendering Techniques 2001, Proceedings of the Eurographics Workshop in London, United Kingdom. S. J. Gortler and K. Myszkowski. University College London (UCL), London, England, Springer, NewYork: 89-102. |
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Aditi Majumder and Greg Welch (2001). COMPUTER GRAPHICS OPTIQUE: Optical Superposition of Projected Computer Graphics, Fifth Immersive Projection Technology Workshop, in conjunction with the Seventh Eurographics Workshop on Virtual Environments, May 16-18, Stuttgart, Germany, Springer-Verlag. |
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Ruigang Yang and Greg Welch (2001). Automatic and Continuous Projector Display Surface Estimation Using Every-Day Imagery. 9th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2001. Plzen, Czech Republic. |
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Greg Welch, Gary Bishop, Leandra Vicci, Stephen Brumback, Kurtis Keller, and D'nardo Colucci (2001). High-Performance Wide-Area Optical Tracking: The HiBall Tracking System. Presence: Teleoperators and Virtual Environments 10(1): 1-21. |
2000
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Aditi Majumder, Zhu He, Herman Towles, and Greg Welch (2000). Achieving color uniformity across multi-projector displays.” Proceedings of the conference on Visualization ’00, VIS ’00, (Los Alamitos, CA, USA), pp. 117–124, IEEE Computer Society Press, 2000. See also the JPG Color Plate and the movie. |
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Wei-Chao Chen, Herman Towles, Lars Nyland, Greg Welch, and Henry Fuchs (2000). Toward a Compelling Sensation of Telepresence: Demonstrating a portal to a distant (static) office. Proceedings of IEEE Visualization 2000. Salt Lake City, UT, USA (October 8 - 13), IEEE Computer Science Press. See also the movie. |
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Greg Welch, Henry Fuchs, Ramesh Raskar, Michael Brown, and Herman Towles (2000). Projected Imagery In Your Office in the Future, IEEE Computer Graphics and Applications, July/August 2000: 62-67. |
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Gary Bishop and Greg Welch (2000). Working in the Office of 'Real Soon Now', IEEE Computer Graphics and Applications, July/August 2000: 76-78. |
1999
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Best paper designation. |
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Ramesh Raskar, Greg Welch, and Wei-Chao Chen (1999). Table-Top Spatially-Augmented Reality: Bringing Physical Models to Life with Projected Imagery, Second International Workshop on Augmented Reality (IWAR'99), October 20-21, San Francisco, CA, USA. |
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Ramesh Raskar, Michael Brown, Ruigang Yang, Wei-Chao Chen, Greg Welch, Herman Towles, Brent Seales, and Henry Fuchs (1999). Multi-Projector Displays Using Camera-Based Registration. Proceedings of the Conference on Visualization 99: Celebrating Ten Years. San Francisco, CA, USA (October 24 - 29): 161-168. |
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Brent Seales, Greg Welch, and Chris Jaynes (1999). Real-Time Depth Warping for 3-D Scene Reconstruction, 1999 IEEE Aerospace Conference, March 6-13, Snowmass at Aspen, CO USA. |
1998
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Ramesh Raskar, Greg Welch, and Henry Fuchs (1998). Seamless Projection Overlaps Using Warping and Intensity Blending, Fourth International Conference on Virtual Systems and Multimedia (VSMM), November 18-20, Gifu, Japan. |
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Ramesh Raskar, Greg Welch, and Henry Fuchs (1998). Spatially Augmented Reality, Augmented Reality; Placing Artificial Objects in Real Scenes—Proceedings of the First IEEE Workshop on Augmented Reality (IWAR'98). R. Behringer, G. Klinker and D. Mizell. San Francisco, CA, USA (November 1, 1998), A.K. Peters Ltd. |
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Ronald T. Azuma, Bruce R. Hoff, Howard E. Neely, III, Ronald Sarfaty, Michael J. Daily, Gary Bishop, Vernon Chi, Greg Welch, Ulrich Neumann, Suya You, Rich Nichols, and Jim Cannon (1998). Making Augmented Reality Work Outdoors Requires Hybrid Tracking, First International Workshop on Augmented Reality, November 1, San Francisco, CA, USA. |
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Ramesh Raskar, Henry Fuchs, Greg Welch, Adam Lake, and Matt Cutts (1998). 3D Talking Heads: Image Based Modeling at Interactive Rates using Structured Light Projection, University of North Carolina at Chapel Hill, Department of Computer Science, Chapel Hill, NC, USA. TR98-017. |
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Ramesh Raskar, Matthew Cutts, Greg Welch, and Wolfgang Stüerzlinger (1998). Efficient Image Generation for Multiprojector and Multisurface Displays. Proceedings of the Eurographics Workshop in Vienna, Austria. G. Drettakis and N. Max. Vienna, Austria (June 29 - July 1), Springer Verlag: 139-144. |
1997
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Greg Welch and Gary Bishop (1997). SCAAT: Incremental Tracking with Incomplete Information, Computer Graphics. T. Whitted. Los Angeles, CA, USA (August 3 - 8), ACM Press, Addison-Wesley: 333-344. |
1996
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Greg Welch (1996). SCAAT: Incremental Tracking with Incomplete Information, Chapel Hill, NC USA, University of North Carolina at Chapel Hill: 207 leaves. |
1995
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Greg Welch (1995). Hybrid Self-Tracker: An Inertial/Optical Hybrid Three-Dimensional Tracking System, University of North Carolina at Chapel Hill, Department of Computer Science, Chapel Hill, NC, USA. TR95-048. |
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Greg Welch and Gary Bishop (1995). An Introduction to the Kalman Filter, University of North Carolina at Chapel Hill, Department of Computer Science, Chapel Hill, NC, USA. TR95-041. The article has also been translated into Chinese by Xuchen Yao, a student at The Institute of Acoustics of The Chinese Academy of Sciences. (Local copy here.) See also our Kalman filter web site. |
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1989
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Greg Welch VERSICOM: Versatile communications software. NASA Jet Propulsion Laboratory, July 13, 1989. |
1986
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Greg Welch and James P. Williams. The easy chair: A microprocessor-controlled wheelchair for children with muscular disorders. Purdue University, E.E.T. 490/491 Senior Design Project, Final Report, May 1986. |
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Greg Welch. The infrared touch-pad. Purdue University, E.E.T. 421 Report, February 26, 1986. |
1985
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Greg Welch and James P. Williams. The easy chair: A microprocessor-controlled wheelchair for children with muscular disorders. Purdue University, E.E.T. 490/491 Senior Design Project, Preliminary Report, December 1985. |
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James Williams and Greg Welch. The pressure sensitive touch-pad. Purdue University, E.E.T. 454 Project Report, April 30, 1985. |
(Research & Teaching)
