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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

Diffusion models create data from noise by inverting the forward paths of data towards noise and have emerged as a powerful generative modeling technique for high-dimensional, perceptual data such as images and videos. Rectified flow is a…

Automatic black-and-white image sequence colorization while preserving character and object identity (ID) is a complex task with significant market demand, such as in cartoon or comic series colorization. Despite advancements in visual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Junhao Zhuang , Xuan Ju , Zhaoyang Zhang , Yong Liu , Shiyi Zhang , Chun Yuan , Ying Shan

Human action-reaction synthesis, a fundamental challenge in modeling causal human interactions, plays a critical role in applications ranging from virtual reality to social robotics. While diffusion-based models have demonstrated promising…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Wentao Jiang , Jingya Wang , Kaiyang Ji , Baoxiong Jia , Siyuan Huang , Ye Shi

Generative policies based on diffusion models and flow matching have shown strong promise for offline reinforcement learning (RL), but their applicability remains largely confined to continuous action spaces. To address a broader range of…

Machine Learning · Computer Science 2026-05-14 Fairoz Nower Khan , Nabuat Zaman Nahim , Ruiquan Huang , Haibo Yang , Peizhong Ju

Diffusion models offer powerful generative capabilities for robot trajectory planning, yet their practical deployment on robots is hindered by a critical bottleneck: a reliance on imitation learning from expert demonstrations. This paradigm…

Robotics · Computer Science 2026-02-25 Lei Ye , Haibo Gao , Peng Xu , Zhelin Zhang , Junqi Shan , Ao Zhang , Wei Zhang , Ruyi Zhou , Zongquan Deng , Liang Ding

Conventional physically based rendering (PBR) pipelines generate photorealistic images through computationally intensive light transport simulations. Although recent deep learning approaches leverage diffusion model priors with geometry…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Shenghao Zhang , Runtao Liu , Christopher Schroers , Yang Zhang

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…

In-generation watermarking for latent diffusion models has recently shown high robustness in marking generated images for easier detection and attribution. However, its application to autoregressive (AR) image models is underexplored.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Denis Lukovnikov , Andreas Müller , Erwin Quiring , Asja Fischer

We present STARFlow, a scalable generative model based on normalizing flows that achieves strong performance in high-resolution image synthesis. The core of STARFlow is Transformer Autoregressive Flow (TARFlow), which combines the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Jiatao Gu , Tianrong Chen , David Berthelot , Huangjie Zheng , Yuyang Wang , Ruixiang Zhang , Laurent Dinh , Miguel Angel Bautista , Josh Susskind , Shuangfei Zhai

Recent advances in imitation learning for 3D robotic manipulation have shown promising results with diffusion-based policies. However, achieving human-level dexterity requires seamless integration of geometric precision and semantic…

Many recent machine learning models rely on fine-grained dynamic control flow for training and inference. In particular, models based on recurrent neural networks and on reinforcement learning depend on recurrence relations, data-dependent…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-09 Yuan Yu , Martín Abadi , Paul Barham , Eugene Brevdo , Mike Burrows , Andy Davis , Jeff Dean , Sanjay Ghemawat , Tim Harley , Peter Hawkins , Michael Isard , Manjunath Kudlur , Rajat Monga , Derek Murray , Xiaoqiang Zheng

Diffusion-based visuomotor policies excel at modeling action distributions but are inference-inefficient, since recursively denoising from noise to policy requires many steps and heavy UNet backbones, which hinders deployment on…

Robotics · Computer Science 2026-02-16 Zhihao Chen , Yiyuan Ge , Ziyang Wang

Flow-matching policies have emerged as a powerful paradigm for generalist robotics. These models are trained to imitate an action chunk, conditioned on sensor observations and textual instructions. Often, training demonstrations are…

Machine Learning · Computer Science 2025-07-22 Samuel Pfrommer , Yixiao Huang , Somayeh Sojoudi

Spatiotemporal flows govern diverse phenomena across physics, biology, and engineering, yet modelling their multiscale dynamics remains a central challenge. Despite major advances in physics-informed machine learning, existing approaches…

Flow Matching (FM) policies have emerged as an efficient backbone for robotic control, offering fast and expressive action generation that underpins recent large-scale embodied AI systems. However, FM policies trained via imitation learning…

Robotics · Computer Science 2026-04-14 Xiaotian Qiu , Lukai Chen , Jinhao Li , Qi Sun , Cheng Zhuo , Guohao Dai

Motion generation in cluttered, dense, and dynamic environments is a central topic in robotics, rendered as a multi-objective decision-making problem. Current approaches trade-off between safety and performance. On the one hand, reactive…

Robotics · Computer Science 2024-07-30 Kay Hansel , Julen Urain , Jan Peters , Georgia Chalvatzaki

Text-to-video models have demonstrated impressive capabilities in producing diverse and captivating video content, showcasing a notable advancement in generative AI. However, these models generally lack fine-grained control over motion…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Tuna Han Salih Meral , Hidir Yesiltepe , Connor Dunlop , Pinar Yanardag

High-resolution video generation, while crucial for digital media and film, is computationally bottlenecked by the quadratic complexity of diffusion models, making practical inference infeasible. To address this, we introduce HiStream, an…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Haonan Qiu , Shikun Liu , Zijian Zhou , Zhaochong An , Weiming Ren , Zhiheng Liu , Jonas Schult , Sen He , Shoufa Chen , Yuren Cong , Tao Xiang , Ziwei Liu , Juan-Manuel Perez-Rua

We introduce WAM-Flow, a vision-language-action (VLA) model that casts ego-trajectory planning as discrete flow matching over a structured token space. In contrast to autoregressive decoders, WAM-Flow performs fully parallel, bidirectional…

Robotics · Computer Science 2025-12-17 Yifang Xu , Jiahao Cui , Feipeng Cai , Zhihao Zhu , Hanlin Shang , Shan Luan , Mingwang Xu , Neng Zhang , Yaoyi Li , Jia Cai , Siyu Zhu