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Recent advances in learning-based robot manipulation have produced policies with remarkable capabilities. Yet, reliability at deployment remains a fundamental barrier to real-world use, where distribution shift, compounding errors, and…

Robotics · Computer Science 2026-03-13 Christopher Agia

Diffusion-based policies have achieved remarkable results in robotic manipulation but often struggle to adapt rapidly in dynamic scenarios, leading to delayed responses or task failures. We present DCDP, a Dynamic Closed-Loop Diffusion…

Robotics · Computer Science 2026-03-18 Pengyuan Wu , Pingrui Zhang , Zhigang Wang , Dong Wang , Bin Zhao , Xuelong Li

Robotic imitation learning typically assumes access to optimal demonstrations, yet real-world data collection often yields suboptimal, exploratory, or even failed trajectories. Discarding such data wastes valuable information about…

Robotics · Computer Science 2026-05-12 Lianghao Luo , Xizhou Bu , Ruyan Liu , Qingqiu Huang , Chufeng Tang , Xiaoshuai Hao , Hongbo Wang , Wei Li

Diffusion strategies have advanced visual motor control by progressively denoising high-dimensional action sequences, providing a promising method for robot manipulation. However, as task complexity increases, the success rate of existing…

Robotics · Computer Science 2026-01-21 Weize Xie , Yi Ding , Ying He , Leilei Wang , Binwen Bai , Zheyi Zhao , Chenyang Wang , F. Richard Yu

Diffusion models, praised for their success in generative tasks, are increasingly being applied to robotics, demonstrating exceptional performance in behavior cloning. However, their slow generation process stemming from iterative denoising…

Diffusion-based robot navigation policies trained on large-scale imitation learning datasets, can generate multi-modal trajectories directly from the robot's visual observations, bypassing the traditional localization-mapping-planning…

Robotics · Computer Science 2026-03-16 Junhe Sheng , Ruofei Bai , Kuan Xu , Ruimeng Liu , Jie Chen , Shenghai Yuan , Wei-Yun Yau , Lihua Xie

Recent work has demonstrated the potential of diffusion models in robot bimanual skill learning. However, existing methods ignore the learning of posture-dependent task features, which are crucial for adapting dual-arm configurations to…

Robotics · Computer Science 2025-10-28 Zhuo Li , Junjia Liu , Dianxi Li , Tao Teng , Miao Li , Sylvain Calinon , Darwin Caldwell , Fei Chen

Delays are inherent to most dynamical systems. Besides shifting the process in time, they can significantly affect their performance. For this reason, it is usually valuable to study the delay and account for it. Because they are dynamical…

Machine Learning · Computer Science 2023-09-21 Pierre Liotet

Learning a generalist embodied agent capable of completing multiple tasks poses challenges, primarily stemming from the scarcity of action-labeled robotic datasets. In contrast, a vast amount of human videos exist, capturing intricate tasks…

Machine Learning · Computer Science 2024-10-10 Haoran He , Chenjia Bai , Ling Pan , Weinan Zhang , Bin Zhao , Xuelong Li

Imitation Learning offers a promising approach to learn directly from data without requiring explicit models, simulations, or detailed task definitions. During inference, actions are sampled from the learned distribution and executed on the…

Robotics · Computer Science 2025-10-28 Amirreza Razmjoo , Sylvain Calinon , Michael Gienger , Fan Zhang

This paper presents Dual Action Policy (DAP), a novel approach to address the dynamics mismatch inherent in the sim-to-real gap of reinforcement learning. DAP uses a single policy to predict two sets of actions: one for maximizing task…

Machine Learning · Computer Science 2024-10-17 Ng Wen Zheng Terence , Chen Jianda

Random delays weaken the temporal correspondence between actions and subsequent state feedback, making it difficult for agents to identify the true propagation process of action effects. In cross-task scenarios, changes in task objectives…

Machine Learning · Computer Science 2026-05-13 Chenran Zhao , Dianxi Shi , Yaowen Zhang , Chunping Qiu , Shaowu Yang

Autonomous robot exploration requires a robot to efficiently explore and map unknown environments. Compared to conventional methods that can only optimize paths based on the current robot belief, learning-based methods show the potential to…

Robotics · Computer Science 2024-10-23 Yuhong Cao , Jeric Lew , Jingsong Liang , Jin Cheng , Guillaume Sartoretti

Behavior cloning methods for robot learning suffer from poor generalization due to limited data support beyond expert demonstrations. Recent approaches leveraging video prediction models have shown promising results by learning rich…

Recent advances in diffusion$/$flow-matching policies have enabled imitation learning of complex, multi-modal action trajectories. However, they are computationally expensive because they sample a trajectory of trajectories: a…

Diffusion Policy (DP) excels in embodied control but suffers from high inference latency and computational cost due to multiple iterative denoising steps. The temporal complexity of embodied tasks demands a dynamic and adaptable computation…

Machine Learning · Computer Science 2025-12-19 Ye Li , Jiahe Feng , Yuan Meng , Kangye Ji , Chen Tang , Xinwan Wen , Shutao Xia , Zhi Wang , Wenwu Zhu

Diffusion Policies have significantly advanced robotic manipulation tasks via imitation learning, but their application on resource-constrained mobile platforms remains challenging due to computational inefficiency and extensive memory…

Robotics · Computer Science 2025-08-04 Yiming Wu , Huan Wang , Zhenghao Chen , Jianxin Pang , Dong Xu

Learning robust visuomotor policies that generalize across diverse objects and interaction dynamics remains a central challenge in robotic manipulation. Most existing approaches rely on direct observation-to-action mappings or compress…

Robotics · Computer Science 2025-09-24 Sangjun Noh , Dongwoo Nam , Kangmin Kim , Geonhyup Lee , Yeonguk Yu , Raeyoung Kang , Kyoobin Lee

Diffusion models have become popular for policy learning in robotics due to their ability to capture high-dimensional and multimodal distributions. However, diffusion policies are stochastic and typically trained offline, limiting their…

Robotics · Computer Science 2025-05-28 Ralf Römer , Alexander von Rohr , Angela P. Schoellig

Asynchronous inference has emerged as a prevalent paradigm in robotic manipulation, achieving significant progress in ensuring trajectory smoothness and efficiency. However, a systemic challenge remains unresolved, as inherent latency…

Robotics · Computer Science 2026-04-14 Haoyu Wei , Xiuwei Xu , Ziyang Cheng , Hang Yin , Angyuan Ma , Bingyao Yu , Jie Zhou , Jiwen Lu