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相关论文: PMA-Diffusion: A Physics-guided Mask-Aware Diffusi…

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Accurate roadway travel-time prediction is foundational to transportation systems analysis, yet widespread reliance on either data-intensive congestion models or overly na\"ive heuristics limits scalability and practical adoption in…

Masked Diffusion Models (MDMs) have emerged as a promising non-autoregressive paradigm for generative tasks, offering parallel decoding and bidirectional context utilization. However, current sampling methods rely on simple confidence-based…

机器学习 · 计算机科学 2026-02-12 Shreshth Saini , Avinab Saha , Balu Adsumilli , Neil Birkbeck , Yilin Wang , Alan C. Bovik

Diffusion-based and iterative methods have become effective tools for solving imaging inverse problems. Their reconstruction process naturally forms a trajectory of intermediate estimates. Although these intermediate estimates define a…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Chaoyan Huang , Haijie Yuan , Saiprasad Ravishankar

We consider the problem of traffic density reconstruction using measurements from probe vehicles (PVs) with a low penetration rate. In other words, the number of sensors is small compared to the number of vehicles on the road. The model…

最优化与控制 · 数学 2021-09-23 Matthieu Barreau , Miguel Aguiar , John Liu , Karl Henrik Johansson

A sparse modeling approach is proposed for analyzing scanning tunneling microscopy topography data, which contains numerous peaks corresponding to surface atoms. The method, based on the relevance vector machine with $\mathrm{L}_1$…

数据分析、统计与概率 · 物理学 2018-03-13 Masamichi J. Miyama , Koji Hukushima

Scientific measurements are often bottlenecked by suboptimal conditions, whether that be noise, incomplete spatial coverage, or limited resolution, rendering accurate field reconstruction a difficult task. We introduce LatentPDE, a latent…

机器学习 · 计算机科学 2026-04-28 Valerie Tsao , Nathaniel Chaney , Manolis Veveakis

Human behavior has the nature of indeterminacy, which requires the pedestrian trajectory prediction system to model the multi-modality of future motion states. Unlike existing stochastic trajectory prediction methods which usually use a…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Tianpei Gu , Guangyi Chen , Junlong Li , Chunze Lin , Yongming Rao , Jie Zhou , Jiwen Lu

Three-dimensional (3D) medical image enhancement, including denoising and super-resolution, is critical for clinical diagnosis in CT, PET, and MRI. Although diffusion models have shown remarkable success in 2D medical imaging, scaling them…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Hongxu Jiang , Fei Li , Boxiao Yu , Ying Zhang , Kaleb Smith , Kuang Gong , Wei Shao

This study introduces a novel point-wise diffusion model that processes spatio-temporal points independently to efficiently predict complex physical systems with shape variations. This methodological contribution lies in applying forward…

计算物理 · 物理学 2025-08-05 Jiyong Kim , Sunwoong Yang , Namwoo Kang

Learning dynamical systems from sparse observations is critical in numerous fields, including biology, finance, and physics. Even if tackling such problems is standard in general information fusion, it remains challenging for contemporary…

机器学习 · 计算机科学 2024-06-04 Ella Tamir , Arno Solin

There has been a longstanding belief that generation can facilitate a true understanding of visual data. In line with this, we revisit generatively pre-training visual representations in light of recent interest in denoising diffusion…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Chen Wei , Karttikeya Mangalam , Po-Yao Huang , Yanghao Li , Haoqi Fan , Hu Xu , Huiyu Wang , Cihang Xie , Alan Yuille , Christoph Feichtenhofer

We propose masked particle modeling (MPM) as a self-supervised method for learning generic, transferable, and reusable representations on unordered sets of inputs for use in high energy physics (HEP) scientific data. This work provides a…

高能物理 - 唯象学 · 物理学 2024-07-12 Tobias Golling , Lukas Heinrich , Michael Kagan , Samuel Klein , Matthew Leigh , Margarita Osadchy , John Andrew Raine

Event camera, a novel neuromorphic vision sensor, records data with high temporal resolution and wide dynamic range, offering new possibilities for accurate visual representation in challenging scenarios. However, event data is inherently…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Lin Zhu , Ruonan Liu , Xiao Wang , Lizhi Wang , Hua Huang

Rapid urbanization demands accurate and efficient monitoring of turbulent wind patterns to support air quality, climate resilience and infrastructure design. Traditional sparse reconstruction and sensor placement strategies face major…

We propose a Physics Informed Learning framework for reconstructing traffic density from sparse trajectory data. The approach combines a second-order Aw-Rascle and Zhang model with a first-order training stage to estimate the equilibrium…

系统与控制 · 电气工程与系统科学 2026-04-10 S. Betancur Giraldo , J. Mårtensson , M. Barreau

Mesh reconstruction from multi-view images is a fundamental problem in computer vision, but its performance degrades significantly under sparse-view conditions, especially in unseen regions where no ground-truth observations are available.…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Haoyang Wang , Liming Liu , Peiheng Wang , Junlin Hao , Jiangkai Wu , Xinggong Zhang

Autonomous driving technology has seen significant advancements, but existing models often fail to fully capture the complexity of multi-agent environments, where interactions between dynamic agents are critical. To address this, we propose…

人工智能 · 计算机科学 2024-11-05 Liu Yunhao , Ding Hong , Zhang Ziming , Wang Huixin , Liu Jinzhao , Xi Suyang

The growing demand for robots to operate effectively in diverse environments necessitates the need for robust real-time anomaly detection techniques during robotic operations. However, deep learning-based models in robotics face significant…

机器人学 · 计算机科学 2025-06-24 Taewook Kang , Bum-Jae You , Juyoun Park , Yisoo Lee

Trajectory prediction is critical for autonomous driving, enabling safe and efficient planning in dense, dynamic traffic. Most existing methods optimize prediction accuracy under fixed-length observations. However, real-world driving often…

机器人学 · 计算机科学 2026-03-12 Hao Zhou , Lu Qi , Jason Li , Jie Zhang , Yi Liu , Xu Yang , Mingyu Fan , Fei Luo

Transportation agencies need to assess ramp metering performance when deploying or expanding a ramp metering system. The evaluation of a ramp metering strategy is primarily centered around examining its impact on freeway traffic mobility.…

机器学习 · 计算机科学 2023-08-08 Xiaobo Ma , Adrian Cottam , Mohammad Razaur Rahman Shaon , Yao-Jan Wu