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Recent research on robot manipulation based on Behavior Cloning (BC) has made significant progress. By combining diffusion models with BC, diffusion policiy has been proposed, enabling robots to quickly learn manipulation tasks with high…

Robotics · Computer Science 2025-03-18 Qianhao Wang , Yinqian Sun , Enmeng Lu , Qian Zhang , Yi Zeng

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 shown strong performance in speech enhancement, but their real-time applicability has been limited by multi-step iterative sampling. Consistency distillation has recently emerged as a promising alternative by…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-19 Liang Xu , Longfei Felix Yan , W. Bastiaan Kleijn

Masked Diffusion Models (MDMs) have emerged as a powerful generative modeling technique. Despite their remarkable results, they typically suffer from slow inference with several steps. In this paper, we propose Di$\mathtt{[M]}$O, a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yuanzhi Zhu , Xi Wang , Stéphane Lathuilière , Vicky Kalogeiton

Diffusion and flow matching policies have recently demonstrated remarkable performance in robotic applications by accurately capturing multimodal robot trajectory distributions. However, their computationally expensive inference, due to the…

We propose DemoDiffusion, a simple method for enabling robots to perform manipulation tasks by imitating a single human demonstration, without requiring task-specific training or paired human-robot data. Our approach is based on two…

Robotics · Computer Science 2026-03-10 Sungjae Park , Homanga Bharadhwaj , Shubham Tulsiani

In this paper, we unify more than 10 existing one-step diffusion distillation approaches, such as Diff-Instruct, DMD, SIM, SiD, $f$-distill, etc, inside a theory-driven framework which we name the \textbf{\emph{Uni-Instruct}}. Uni-Instruct…

Machine Learning · Computer Science 2025-10-23 Yifei Wang , Weimin Bai , Colin Zhang , Debing Zhang , Weijian Luo , He Sun

Imitation learning is an efficient method for teaching robots a variety of tasks. Diffusion Policy, which uses a conditional denoising diffusion process to generate actions, has demonstrated superior performance, particularly in learning…

Robotics · Computer Science 2025-08-14 Zhuoqun Chen , Xiu Yuan , Tongzhou Mu , Hao Su

While recent diffusion-based generative image codecs have shown impressive performance, their iterative sampling process introduces unpleasing latency. In this work, we revisit the design of a diffusion-based codec and argue that multi-step…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Naifu Xue , Zhaoyang Jia , Jiahao Li , Bin Li , Yuan Zhang , Yan Lu

Diffusion policies excel at learning complex action distributions for robotic visuomotor tasks, yet their iterative denoising process poses a major bottleneck for real-time deployment. Existing acceleration methods apply a fixed number of…

Robotics · Computer Science 2025-08-12 Shu-Ang Yu , Feng Gao , Yi Wu , Chao Yu , Yu Wang

Imitation learning, particularly Diffusion Policies based methods, has recently gained significant traction in embodied AI as a powerful approach to action policy generation. These models efficiently generate action policies by learning to…

Robotics · Computer Science 2025-04-15 Haiyong Yu , Yanqiong Jin , Yonghao He , Wei Sui

Human motion prediction is a cornerstone of human-robot collaboration (HRC), as robots need to infer the future movements of human workers based on past motion cues to proactively plan their motion, ensuring safety in close collaboration…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Sibo Tian , Minghui Zheng , Xiao Liang

This paper introduces Diffusion Policy, a new way of generating robot behavior by representing a robot's visuomotor policy as a conditional denoising diffusion process. We benchmark Diffusion Policy across 12 different tasks from 4…

Robotics · Computer Science 2024-03-15 Cheng Chi , Zhenjia Xu , Siyuan Feng , Eric Cousineau , Yilun Du , Benjamin Burchfiel , Russ Tedrake , Shuran Song

Decision-making in robotics using denoising diffusion processes has increasingly become a hot research topic, but end-to-end policies perform poorly in tasks with rich contact and have limited controllability. This paper proposes…

Robotics · Computer Science 2024-11-21 Dexin Wang , Chunsheng Liu , Faliang Chang , Yichen Xu

Diffusion models have been extensively leveraged for learning robot skills from demonstrations. These policies are conditioned on several observational modalities such as proprioception, vision and tactile. However, observational modalities…

Robotics · Computer Science 2025-09-23 Omkar Patil , Prabin Rath , Kartikay Pangaonkar , Eric Rosen , Nakul Gopalan

Diffusion Policies have demonstrated impressive performance in robotic manipulation tasks. However, their long inference time, resulting from an extensive iterative denoising process, and the need to execute an action chunk before the next…

Robotics · Computer Science 2025-08-08 Yufei Duan , Hang Yin , Danica Kragic

Diffusion models have revolutionized text-to-image generation, but their real-world applications are hampered by the extensive time needed for hundreds of diffusion steps. Although progressive distillation has been proposed to speed up…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Yifan Zhang , Bryan Hooi

Diffusion models, such as diffusion policy, have achieved state-of-the-art results in robotic manipulation by imitating expert demonstrations. While diffusion models were originally developed for vision tasks like image and video…

Robotics · Computer Science 2025-10-28 Mateo Clemente , Leo Brunswic , Rui Heng Yang , Xuan Zhao , Yasser Khalil , Haoyu Lei , Amir Rasouli , Yinchuan Li

Diffusion models excel at generating diverse and multimodal trajectories for robotic planning, yet their iterative denoising process introduces latency that is incompatible with high-frequency closed-loop control. To address this problem,…

Robotics · Computer Science 2026-05-26 Lei Zheng , Peiqi Yu , Zengqi Peng , Changliu Liu , Armin Lederer

While diffusion distillation has enabled one-step generation through methods like Variational Score Distillation, adapting distilled models to emerging new controls -- such as novel structural constraints or latest user preferences --…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yihong Luo , Tianyang Hu , Yifan Song , Jiacheng Sun , Zhenguo Li , Jing Tang