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Vessel trajectory prediction is a critical component for ensuring maritime traffic safety and avoiding collisions. Due to the inherent uncertainty in vessel behavior, trajectory prediction systems must adopt a multimodal approach to…

人工智能 · 计算机科学 2025-03-12 Jin Wenzhe , Tang Haina , Zhang Xudong

Multiscale spatial structure complicates temporal prediction because small-scale spatial fluctuations influence large-scale evolution, yet resolving all scales is often intractable. Standard diffusion models do not address this problem…

流体动力学 · 物理学 2026-04-02 Yuki Yasuda , Tobias Bischoff

3D human motion generation is crucial for creative industry. Recent advances rely on generative models with domain knowledge for text-driven motion generation, leading to substantial progress in capturing common motions. However, the…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Mingyuan Zhang , Xinying Guo , Liang Pan , Zhongang Cai , Fangzhou Hong , Huirong Li , Lei Yang , Ziwei Liu

Diffusion-based voxel prior modelling is challenging for the reconstruction of large-scale 3D porous microstructures. Due to the demanding requirements for simultaneously modelling both the continuous pore morphology and the discrete…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Yue Shi , Peng Wang , Mingzhe Yu , Yunlong Zhao , Li Liu , Gareth D Hatton , Yan Lyu , Liangxiu Han

Simulation of autonomous vehicle systems requires that simulated traffic participants exhibit diverse and realistic behaviors. The use of prerecorded real-world traffic scenarios in simulation ensures realism but the rarity of safety…

Trajectory data is crucial for various applications but often suffers from incompleteness due to device limitations and diverse collection scenarios. Existing imputation methods rely on sparse trajectory or travel information, such as…

机器学习 · 计算机科学 2025-05-30 Tianci Bu , Le Zhou , Wenchuan Yang , Jianhong Mou , Kang Yang , Suoyi Tan , Feng Yao , Jingyuan Wang , Xin Lu

With the increasing popularity of autonomous driving based on the powerful and unified bird's-eye-view (BEV) representation, a demand for high-quality and large-scale multi-view video data with accurate annotation is urgently required.…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Xiaofan Li , Yifu Zhang , Xiaoqing Ye

Diffusion Transformers (DiT) have emerged as a widely adopted backbone for high-fidelity image and video generation, yet their iterative denoising process incurs high computational costs. Existing training-free acceleration methods rely on…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Hanshuai Cui , Zhiqing Tang , Qianli Ma , Zhi Yao , Weijia Jia

Good 3D object detection performance from LiDAR-Camera sensors demands seamless feature alignment and fusion strategies. We propose the 3DifFusionDet framework in this paper, which structures 3D object detection as a denoising diffusion…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Xinhao Xiang , Simon Dräger , Jiawei Zhang

Diffusion models have been successfully applied to robotics problems such as manipulation and vehicle path planning. In this work, we explore their application to end-to-end navigation -- including both perception and planning -- by…

机器人学 · 计算机科学 2024-09-27 L. Lao Beyer , S. Karaman

Human motion prediction is important for many virtual and augmented reality (VR/AR) applications such as collision avoidance and realistic avatar generation. Existing methods have synthesised body motion only from observed past motion,…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Haodong Yan , Zhiming Hu , Syn Schmitt , Andreas Bulling

End-to-end planning systems for autonomous driving are rapidly improving, especially in closed-loop simulation environments like CARLA. Many such driving systems either do not consider uncertainty as part of the plan itself or obtain it by…

机器人学 · 计算机科学 2026-05-25 Florian Wintel , Sigmund H. Høeg , Gabriel Kiss , Frank Lindseth

Effective trajectory stitching for long-horizon planning is a significant challenge in robotic decision-making. While diffusion models have shown promise in planning, they are limited to solving tasks similar to those seen in their training…

机器人学 · 计算机科学 2025-05-06 Yunhao Luo , Utkarsh A. Mishra , Yilun Du , Danfei Xu

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…

机器人学 · 计算机科学 2025-04-29 Jean-Baptiste Bouvier , Kanghyun Ryu , Kartik Nagpal , Qiayuan Liao , Koushil Sreenath , Negar Mehr

This paper presents PolyDiffuse, a novel structured reconstruction algorithm that transforms visual sensor data into polygonal shapes with Diffusion Models (DM), an emerging machinery amid exploding generative AI, while formulating…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Jiacheng Chen , Ruizhi Deng , Yasutaka Furukawa

Safe trajectory planning in complex environments must balance stringent collision avoidance with real-time efficiency, which is a long-standing challenge in robotics. In this work, we present a diffusion-based trajectory planning framework…

机器人学 · 计算机科学 2025-11-27 Wule Mao , Zhouheng Li , Yunhao Luo , Yilun Du , Lei Xie

Diffusion-based planners have gained significant recent attention for their robustness and performance in long-horizon tasks. However, most existing planners rely on a fixed, pre-specified horizon during both training and inference. This…

机器人学 · 计算机科学 2025-09-16 Ruijia Liu , Ancheng Hou , Shaoyuan Li , Xiang Yin

Predicting human gaze scanpaths is crucial for understanding visual attention, with applications in human-computer interaction, autonomous systems, and cognitive robotics. While deep learning models have advanced scanpath prediction, most…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Giuseppe Cartella , Vittorio Cuculo , Alessandro D'Amelio , Marcella Cornia , Giuseppe Boccignone , Rita Cucchiara

Current Structure-from-Motion (SfM) methods typically follow a two-stage pipeline, combining learned or geometric pairwise reasoning with a subsequent global optimization step. In contrast, we propose a data-driven multi-view reasoning…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Qitao Zhao , Amy Lin , Jeff Tan , Jason Y. Zhang , Deva Ramanan , Shubham Tulsiani

Motion prediction is a challenging problem in autonomous driving as it demands the system to comprehend stochastic dynamics and the multi-modal nature of real-world agent interactions. Diffusion models have recently risen to prominence, and…

机器人学 · 计算机科学 2024-05-03 Jiahui Li , Tianle Shen , Zekai Gu , Jiawei Sun , Chengran Yuan , Yuhang Han , Shuo Sun , Marcelo H. Ang