About
I am an experienced robotics, autonomy, and artificial intelligence scientist with a…
Activity
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We were pleased to participate in Drone Shield 2024, a large-scale experimental exercise aimed at strengthening UAS & CUAS capabilities of the Czech…
We were pleased to participate in Drone Shield 2024, a large-scale experimental exercise aimed at strengthening UAS & CUAS capabilities of the Czech…
Liked by Christopher Vo
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✅ I feel compelled to vote in closest alignment with my values for… #ResponsibleAI 😊 it was so fun to share perspectives alongside my…
✅ I feel compelled to vote in closest alignment with my values for… #ResponsibleAI 😊 it was so fun to share perspectives alongside my…
Liked by Christopher Vo
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Welcome to the Johns Hopkins Employer Onsite Clinic Team: Virginia Tran! Virginia is joining our newest clinic, serving a Washington, DC based…
Welcome to the Johns Hopkins Employer Onsite Clinic Team: Virginia Tran! Virginia is joining our newest clinic, serving a Washington, DC based…
Liked by Christopher Vo
Experience
Education
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George Mason University
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Research in robotics, motion planning, and simulation. Recipient of the Ph.D. Presidential Fellowship (2007-2010), IMC Inc. Suneeth Nayak Scholarship Endowment, and several more scholarships.
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Honors Program. Northern Virginia Technology Conference (NVTC) Bannister Scholar (2004 and 2005). Armed Forces Communications and Electronics Association (AFCEA) Scholar (2006). Graduated summa cum laude, BS in Computer Science (2006). Volgenau School of IT&E Most Outstanding Undergraduate (valedictorian) (2006). Perpetual Dean's List (all semesters). Computer Science Most Outstanding Graduate Student (2007).
Licenses & Certifications
Publications
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Computing 3D From-Region Visibility Using Visibility Integrity
IEEE Robotics and Automation Letters (RA-L)
Visibility integrity (VI) is a measurement of similarity between the visibilities of regions. It can be used to approximate the visibility of coherently moving targets, called group visibility. It has been shown that computing visibility integrity using agglomerative clustering takes O(n4 log n) for n samples. Here, we present a method that speeds up the computation of visibility integrity and reduces the time complexity from O(n4 log n) to O(n2). Based on the idea of visibility integrity, we…
Visibility integrity (VI) is a measurement of similarity between the visibilities of regions. It can be used to approximate the visibility of coherently moving targets, called group visibility. It has been shown that computing visibility integrity using agglomerative clustering takes O(n4 log n) for n samples. Here, we present a method that speeds up the computation of visibility integrity and reduces the time complexity from O(n4 log n) to O(n2). Based on the idea of visibility integrity, we show for the first time that the visibility-integrity roadmap (VIR), a data structure that partitions a space into zones, can be calculated efficiently in 3-D. More specifically, we offer two different offline approaches, a naive one and a kernel-based one, to compute a VIR. In addition, we demonstrate how to apply a VIR to solve group visibility and group following problems in 3-D. We propose a planning algorithm for the camera to maintain visibility of group targets by querying the VIR. We evaluate our approach in different 3-D simulation environments and compare it to other planning methods.
Other authorsSee publication -
A Comparative Study of Control Architectures in UAV/UGV-based Surveillance System
In Proceedings of the 2014 Industrial and Systems Engineering Research Conferencee 2014 Winter Simulation Conference
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Collaborative Foraging Using Beacons
Proceedings of the Ninth International Conference on Autonomous Agents and Systems (AAMAS 2010)
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Following a Large Unpredictable Group of Targets Among Obstacles
Proceedings of the Third International Conference on Motion in Games
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Scalable and Robust Shepherding via Deformable Shapes
Proceedings of the Third International Conference on Motion in Games
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Behavior-Based Motion Planning for Group Control
2009 IEEE/RSJ International Conference on Intelligent Robots and Systems
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Cooperative Coevolution and Univariate Estimation of Distribution Algorithms
Proceedings of the 10th International Workshop on Foundations of Genetic Algorithms (FOGA 2009)
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RoboPatriots: George Mason University 2009 RoboCup Team
Proceedings of 2009 RoboCup Workshop
Other authors
More activity by Christopher
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The future can't be anything but bright with such beautiful partnerships. ☀ Have a great weekend, #Boilermakers! Saab | 📸 Jeremy Slater
The future can't be anything but bright with such beautiful partnerships. ☀ Have a great weekend, #Boilermakers! Saab | 📸 Jeremy Slater
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The Skapa Team in San Diego performs routine maintenance on the Sea Giraffe-1X radar installed on our Enforcer 3.1, a converted Combat Boat 90…
The Skapa Team in San Diego performs routine maintenance on the Sea Giraffe-1X radar installed on our Enforcer 3.1, a converted Combat Boat 90…
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📣 BIG ANNOUNCEMENT - I am HAPPY to share that Rome Ruiz has joined #Skapa by Saab as Head of Growth & Partnerships 🚀 🤩 Rome is a rockstar who…
📣 BIG ANNOUNCEMENT - I am HAPPY to share that Rome Ruiz has joined #Skapa by Saab as Head of Growth & Partnerships 🚀 🤩 Rome is a rockstar who…
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A perfect example of the triple helix in action! During #COP16 in Cali, we delivered a UAV developed together with Universidad EAFIT and KTH Royal…
A perfect example of the triple helix in action! During #COP16 in Cali, we delivered a UAV developed together with Universidad EAFIT and KTH Royal…
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Happy to share that our recent work, "Resource-Aware Hierarchical Federated Learning in Wireless Video Caching Networks," has been accepted for…
Happy to share that our recent work, "Resource-Aware Hierarchical Federated Learning in Wireless Video Caching Networks," has been accepted for…
Liked by Christopher Vo
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Earlier this week, Dr. Julia Allen, CTO at Saab, Inc., joined industry leaders from #Google, #Anthropic, and #OpenAI at the DoD Chief Digital and…
Earlier this week, Dr. Julia Allen, CTO at Saab, Inc., joined industry leaders from #Google, #Anthropic, and #OpenAI at the DoD Chief Digital and…
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