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Recent success in legged robot locomotion is attributed to the integration of reinforcement learning and physical simulators. However, these policies often encounter challenges when deployed in real-world environments due to sim-to-real…

Robotics · Computer Science 2025-06-04 Shaoting Zhu , Linzhan Mou , Derun Li , Baijun Ye , Runhan Huang , Hang Zhao

We propose a novel iterative approach for crossing the reality gap that utilises live robot rollouts and differentiable physics. Our method, RealityGrad, demonstrates for the first time, an efficient sim2real transfer in combination with a…

Robotics · Computer Science 2021-09-13 Jack Collins , Ross Brown , Jürgen Leitner , David Howard

Artificial intelligence (AI) systems possess significant potential to drive societal progress. However, their deployment often faces obstacles due to substantial safety concerns. Safe reinforcement learning (SafeRL) emerges as a solution to…

Artificial Intelligence · Computer Science 2024-10-08 Jiaming Ji , Borong Zhang , Jiayi Zhou , Xuehai Pan , Weidong Huang , Ruiyang Sun , Yiran Geng , Yifan Zhong , Juntao Dai , Yaodong Yang

Efficient acquisition of real-world embodied data has been increasingly critical. However, large-scale demonstrations captured by remote operation tend to take extremely high costs and fail to scale up the data size in an efficient manner.…

Robotics · Computer Science 2025-08-05 Xinhai Li , Jialin Li , Ziheng Zhang , Rui Zhang , Fan Jia , Tiancai Wang , Haoqiang Fan , Kuo-Kun Tseng , Ruiping Wang

Solving real-world complex tasks using reinforcement learning (RL) without high-fidelity simulation environments or large amounts of offline data can be quite challenging. Online RL agents trained in imperfect simulation environments can…

Machine Learning · Computer Science 2025-04-17 Haoyi Niu , Tianying Ji , Bingqi Liu , Haocheng Zhao , Xiangyu Zhu , Jianying Zheng , Pengfei Huang , Guyue Zhou , Jianming Hu , Xianyuan Zhan

Simulation has become the evaluation method of choice for many areas of distributing computing research. However, most existing simulation packages have several limitations on the size and complexity of the system being modeled. Fine…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-07-01 Dobre Ciprian , Cristea Valentin , Iosif C. Legrand

Continual reinforcement learning (CRL) requires agents to learn from a sequence of tasks without forgetting previously acquired policies. In this work, we introduce a novel benchmark suite for CRL based on realistically simulated robots in…

Machine Learning · Computer Science 2026-02-05 Yannick Denker , Alexander Gepperth

Physics-based deep learning frameworks have shown to be effective in accurately modeling the dynamics of complex physical systems with generalization capability across problem inputs. Data-driven networks like GNN, Neural Operators have…

Machine Learning · Computer Science 2024-12-23 Rini Jasmine Gladstone , Hadi Meidani

Humanoid robots deployed in real-world scenarios often need to carry unknown payloads, which introduce significant mismatch and degrade the effectiveness of simulation-to-reality reinforcement learning methods. To address this challenge, we…

Robotics · Computer Science 2026-03-17 Xingyi Wang , Chenyun Zhang , Weiji Xie , Chao Yu , Wei Song , Chenjia Bai , Shiqiang Zhu

Compiling a quantum circuit for specific quantum hardware is a challenging task. Moreover, current quantum computers have severe hardware limitations. To make the most use of the limited resources, the compilation process should be…

Quantum Physics · Physics 2023-08-08 Stan van der Linde , Willem de Kok , Tariq Bontekoe , Sebastian Feld

Effective visual representation learning is crucial for reinforcement learning (RL) agents to extract task-relevant information from raw sensory inputs and generalize across diverse environments. However, existing RL benchmarks lack the…

Accurate physics simulation is essential for robotic learning and control, yet analytical simulators often fail to capture complex contact dynamics, while learning-based simulators typically require large amounts of costly real-world data.…

Robotics · Computer Science 2026-05-26 Zhenhao Huang , Siyuan Luo , Bingyang Zhou , Ziqiu Zeng , Jason Pho , Fan Shi

In robotic vision, a de-facto paradigm is to learn in simulated environments and then transfer to real-world applications, which poses an essential challenge in bridging the sim-to-real domain gap. While mainstream works tackle this problem…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Xingyu Liu , Chenyangguang Zhang , Gu Wang , Ruida Zhang , Xiangyang Ji

Earth Observation (EO) analysis is inherently interactive: resolving uncertainty often requires expanding the region of interest, retrieving historical observations, and switching across sensors such as optical and Synthetic Aperture Radar.…

Artificial Intelligence · Computer Science 2026-05-05 Sai Ma , Zhuang Li , Sichao Li , Xinyue Xu , Ruibiao Zhu , Tony Boston , John A. Taylor

Synthetic data and novel rendering techniques have greatly influenced computer vision research in tasks like target tracking and human pose estimation. However, robotics research has lagged behind in leveraging it due to the limitations of…

Robotics · Computer Science 2024-08-23 Elia Bonetto , Chenghao Xu , Aamir Ahmad

Perceiving and understanding highly dynamic and changing environments is a crucial capability for robot autonomy. While large strides have been made towards developing dynamic SLAM approaches that estimate the robot pose accurately, a…

Robotics · Computer Science 2024-05-21 Lukas Schmid , Marcus Abate , Yun Chang , Luca Carlone

Realistic and controllable simulation is critical for advancing end-to-end autonomous driving, yet existing approaches often struggle to support novel view synthesis under large viewpoint changes or to ensure geometric consistency. We…

The architecture of a robotics software framework tremendously influences the effort and time it takes for end users to test new concepts in a simulation environment and to control real hardware. Many years of activity in the field allowed…

Robotics · Computer Science 2023-07-26 Michele Focchi , Francesco Roscia , Claudio Semini

Legged robots must achieve both robust locomotion and energy efficiency to be practical in real-world environments. Yet controllers trained in simulation often fail to transfer reliably, and most existing approaches neglect…

Robotics · Computer Science 2025-09-09 Filip Bjelonic , Fabian Tischhauser , Marco Hutter

We propose CHRONOS, a hardware-assisted framework that decouples the cryptographic setup required for private gradient aggregation from the active training phase. CHRONOS executes a once-per-epoch server-relayed Diffie-Hellman key exchange…

Cryptography and Security · Computer Science 2026-05-01 Hung Dang