English
Related papers

Related papers: Time-Unified Diffusion Policy with Action Discrimi…

200 papers

Generative policies based on diffusion and flow matching have become a dominant paradigm for visuomotor robotic control. We show that replacing the standard Gaussian source distribution with WarmPrior, a simple temporally grounded prior…

Machine Learning · Computer Science 2026-05-15 Sinjae Kang , Chanyoung Kim , Kaixin Wang , Li Zhao , Kimin Lee

End-to-end autonomous driving remains constrained by the difficulty of producing adaptive, robust, and interpretable decision-making across diverse scenarios. Existing methods often collapse diverse driving behaviors, lack long-horizon…

Robotics · Computer Science 2025-10-07 Chengkai Xu , Jiaqi Liu , Yicheng Guo , Peng Hang , Jian Sun

Ad hoc teamwork (AHT) requires agents to collaborate with previously unseen teammates, which is crucial for many real-world applications. The core challenge of AHT is to develop an ego agent that can predict and adapt to unknown teammates…

Artificial Intelligence · Computer Science 2026-01-21 Hohei Chan , Xinzhi Zhang , Antao Xiang , Weinan Zhang , Mengchen Zhao

Flow-matching-based policies have recently emerged as a promising approach for learning-based robot manipulation, offering significant acceleration in action sampling compared to diffusion-based policies. However, conventional flow-matching…

Robotics · Computer Science 2025-10-03 Xuanran Zhai , Qianyou Zhao , Qiaojun Yu , Ce Hao

Ultrasound scanning is a critical imaging technique for real-time, non-invasive diagnostics. However, variations in patient anatomy and complex human-in-the-loop interactions pose significant challenges for autonomous robotic scanning.…

Robotics · Computer Science 2025-11-21 Ruoqu Chen , Xiangjie Yan , Kangchen Lv , Gao Huang , Zheng Li , Xiang Li

Diffusion-based trajectory planners have demonstrated strong capability for modeling the multimodal nature of human driving behavior, but their reliance on iterative stochastic sampling poses critical challenges for real-time,…

Artificial Intelligence · Computer Science 2026-02-10 Ruturaj Reddy , Hrishav Bakul Barua , Junn Yong Loo , Thanh Thi Nguyen , Ganesh Krishnasamy

Recent advancements in diffusion-based imitation learning, which show impressive performance in modeling multimodal distributions and training stability, have led to substantial progress in various robot learning tasks. In visual…

Robotics · Computer Science 2025-04-15 Hao Ren , Yiming Zeng , Zetong Bi , Zhaoliang Wan , Junlong Huang , Hui Cheng

Recent developments in offline reinforcement learning have uncovered the immense potential of diffusion modeling, which excels at representing heterogeneous behavior policies. However, sampling from diffusion policies is considerably slow…

Machine Learning · Computer Science 2024-03-18 Huayu Chen , Cheng Lu , Zhengyi Wang , Hang Su , Jun Zhu

Modeling realistic and interactive multi-agent behavior is critical to autonomous driving and traffic simulation. However, existing diffusion and autoregressive approaches are limited by iterative sampling, sequential decoding, or…

Robotics · Computer Science 2025-11-24 Zhiyu Huang , Zewei Zhou , Tianhui Cai , Yun Zhang , Jiaqi Ma

This paper introduces a Spiking Diffusion Policy (SDP) learning method for robotic manipulation by integrating Spiking Neurons and Learnable Channel-wise Membrane Thresholds (LCMT) into the diffusion policy model, thereby enhancing…

Robotics · Computer Science 2024-09-18 Zhixing Hou , Maoxu Gao , Hang Yu , Mengyu Yang , Chio-In Ieong

Manipulating deformable objects remains a challenge within robotics due to the difficulties of state estimation, long-horizon planning, and predicting how the object will deform given an interaction. These challenges are the most pronounced…

Robotics · Computer Science 2024-03-18 Alison Bartsch , Arvind Car , Charlotte Avra , Amir Barati Farimani

Multi-agent trajectory modeling has primarily focused on forecasting future states, often overlooking broader tasks like trajectory completion, which are crucial for real-world applications such as correcting tracking data. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Guillem Capellera , Antonio Rubio , Luis Ferraz , Antonio Agudo

Bimanual manipulation is crucial in robotics, enabling complex tasks in industrial automation and household services. However, it poses significant challenges due to the high-dimensional action space and intricate coordination requirements.…

Spatio-temporal graph learning is a fundamental problem in modern urban systems. Existing approaches tackle different tasks independently, tailoring their models to unique task characteristics. These methods, however, fall short of modeling…

Machine Learning · Computer Science 2024-10-01 Junfeng Hu , Xu Liu , Zhencheng Fan , Yuxuan Liang , Roger Zimmermann

Diffusion models excel at creating images and videos thanks to their multimodal generative capabilities. These same capabilities have made diffusion models increasingly popular in robotics research, where they are used for generating robot…

Robotics · Computer Science 2025-04-29 Jean-Baptiste Bouvier , Kanghyun Ryu , Kartik Nagpal , Qiayuan Liao , Koushil Sreenath , Negar Mehr

Whole-body control of robotic manipulators with awareness of full-arm kinematics is crucial for many manipulation scenarios involving body collision avoidance or body-object interactions, which makes it insufficient to consider only the…

Robotics · Computer Science 2025-12-22 Kangchen Lv , Mingrui Yu , Yongyi Jia , Chenyu Zhang , Xiang Li

Sequential decision-making can be formulated as a text-conditioned video generation problem, where a video planner, guided by a text-defined goal, generates future frames visualizing planned actions, from which control actions are…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Shuaiyi Huang , Mara Levy , Zhenyu Jiang , Anima Anandkumar , Yuke Zhu , Linxi Fan , De-An Huang , Abhinav Shrivastava

Accurate modeling of robot dynamics is essential for model-based control, yet remains challenging under distributional shifts and real-time constraints. In this work, we formulate system identification as an in-context meta-learning problem…

Machine Learning · Computer Science 2026-04-21 Angelo Moroncelli , Matteo Rufolo , Gunes Cagin Aydin , Asad Ali Shahid , Loris Roveda

This paper investigates a distributed formation control problem for networked robots, with the global objective of achieving predefined time-varying formations in an environment with obstacles. A novel fixed-time behavioral approach is…

Optimization and Control · Mathematics 2020-08-19 Ning Zhou , Xiaodong Cheng , Yuanqing Xia , Yanjun Liu

We introduce UMI-on-Air, a framework for embodiment-aware deployment of embodiment-agnostic manipulation policies. Our approach leverages diverse, unconstrained human demonstrations collected with a handheld gripper (UMI) to train…

Robotics · Computer Science 2026-03-17 Harsh Gupta , Xiaofeng Guo , Huy Ha , Chuer Pan , Muqing Cao , Dongjae Lee , Sebastian Scherer , Shuran Song , Guanya Shi