no code implementations • 6 Apr 2024 • Peihan Li, Vishnu Menon, Bhavanaraj Gudiguntla, Daniel Ting, Lifeng Zhou
Flocking is a behavior where multiple agents in a system attempt to stay close to each other while avoiding collision and maintaining a desired formation.
no code implementations • 10 Dec 2023 • Amirhosein Chahe, Chenan Wang, Abhishek Jeyapratap, Kaidi Xu, Lifeng Zhou
Moreover, our method utilizes dynamic patches displayed on a screen, allowing for adaptive changes and movement, enhancing the flexibility and performance of the attack.
no code implementations • 29 Sep 2023 • Siji Chen, Yanshen Sun, Peihan Li, Lifeng Zhou, Chang-Tien Lu
However, it has been observed that relying solely on the states of immediate neighbors is insufficient to imitate a centralized control policy.
1 code implementation • 27 Sep 2023 • Haonan Chang, Kowndinya Boyalakuntla, Shiyang Lu, Siwei Cai, Eric Jing, Shreesh Keskar, Shijie Geng, Adeeb Abbas, Lifeng Zhou, Kostas Bekris, Abdeslam Boularias
We present an Open-Vocabulary 3D Scene Graph (OVSG), a formal framework for grounding a variety of entities, such as object instances, agents, and regions, with free-form text-based queries.
no code implementations • 23 Jan 2023 • Elijah S. Lee, Lifeng Zhou, Alejandro Ribeiro, Vijay Kumar
In this work, we study the problem of decentralized multi-agent perimeter defense that asks for computing actions for defenders with local perceptions and communications to maximize the capture of intruders.
no code implementations • 17 Jan 2023 • Murat Isik, Matthew Oldland, Lifeng Zhou
We compare the different results achieved with the FPGA and GPU-based implementations and then discuss the pros and cons of each implementation.
no code implementations • 24 Sep 2022 • Elijah S. Lee, Lifeng Zhou, Alejandro Ribeiro, Vijay Kumar
We consider the problem of finding decentralized strategies for multi-agent perimeter defense games.
1 code implementation • 18 May 2021 • Lifeng Zhou, Vishnu D. Sharma, QingBiao Li, Amanda Prorok, Alejandro Ribeiro, Pratap Tokekar, Vijay Kumar
We demonstrate the performance of our GNN-based learning approach in a scenario of active target tracking with large networks of robots.
no code implementations • 25 Mar 2020 • Vishnu D. Sharma, Maymoonah Toubeh, Lifeng Zhou, Pratap Tokekar
Deep learning techniques can be used for semantic segmentation of the aerial image to create a cost map for safe ground robot navigation.
Robotics
no code implementations • 2 Oct 2019 • Lifeng Zhou, Vasileios Tzoumas, George J. Pappas, Pratap Tokekar
Since, DRM overestimates the number of attacks in each clique, in this paper we also introduce an Improved Distributed Robust Maximization (IDRM) algorithm.
no code implementations • 24 Jul 2018 • Lifeng Zhou, Pratap Tokekar
We formulate a discrete submodular maximization problem for selecting a set using Conditional-Value-at-Risk (CVaR), a risk metric commonly used in financial analysis.