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Traffic forecasting, a crucial application of spatio-temporal graph (STG) learning, has traditionally relied on deterministic models for accurate point estimations. Yet, these models fall short of quantifying future uncertainties. Recently,…

机器学习 · 计算机科学 2024-08-08 Lequan Lin , Dai Shi , Andi Han , Junbin Gao

Reconstructing PDE-governed fields from sparse and irregular measurements is challenging due to their ill-posed nature. Deterministic surrogates are trained on dense fields that struggle with limited measurements and uncertainty…

机器学习 · 计算机科学 2026-05-18 Hao Zhou , Rui Zhang , Han Wan , Hao Sun

The development of video diffusion models unveils a significant challenge: the substantial computational demands. To mitigate this challenge, we note that the reverse process of diffusion exhibits an inherent entropy-reducing nature. Given…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Lingmin Ran , Mike Zheng Shou

Tracer diffusion in crowded environments is central to many biological and soft matter systems, but quantitative frameworks for linking tracer motion to environmental structure remain limited. Here, we study the transport of rigid tracers…

软凝聚态物质 · 物理学 2026-05-07 Jinseok Lee , Tong Lin , Mengyang Gu , Yimin Luo

The sparse modeling is an evident manifestation capturing the parsimony principle just described, and sparse models are widespread in statistics, physics, information sciences, neuroscience, computational mathematics, and so on. In…

机器学习 · 计算机科学 2023-08-29 Jianyi Lin

Traffic flow estimation (TFE) is crucial for urban intelligent traffic systems. While traditional on-road detectors are hindered by limited coverage and high costs, cloud computing and data mining of vehicular network data, such as driving…

人工智能 · 计算机科学 2024-07-12 Doncheng Yuan , Jianzhe Xue , Jinshan Su , Wenchao Xu , Haibo Zhou

Combining sparse IMUs and a monocular camera is a new promising setting to perform real-time human motion capture. This paper proposes a diffusion-based solution to learn human motion priors and fuse the two modalities of signals together…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Shaohua Pan , Xinyu Yi , Yan Zhou , Weihua Jian , Yuan Zhang , Pengfei Wan , Feng Xu

Semantic segmentation is essential in computer vision for various applications, yet traditional approaches face significant challenges, including the high cost of annotation and extensive training for supervised learning. Additionally, due…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Yasufumi Kawano , Yoshimitsu Aoki

Recent advances in diffusion models have demonstrated their strong capabilities in generating high-fidelity samples from complex distributions through an iterative refinement process. Despite the empirical success of diffusion models in…

机器人学 · 计算机科学 2024-07-03 Chaoyi Pan , Zeji Yi , Guanya Shi , Guannan Qu

Virtual try-on can significantly improve the garment shopping experiences in both online and in-store scenarios, attracting broad interest in computer vision. However, to achieve high-fidelity try-on performance, most state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Yunfang Niu , Dong Yi , Lingxiang Wu , Zhiwei Liu , Pengxiang Cai , Jinqiao Wang

Forecasting a typical object's future motion is a critical task for interpreting and interacting with dynamic environments in computer vision. Event-based sensors, which could capture changes in the scene with exceptional temporal…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Song Wu , Zhiyu Zhu , Junhui Hou , Guangming Shi , Jinjian Wu

Tremendous efforts have been put forth on predicting pedestrian trajectory with generative models to accommodate uncertainty and multi-modality in human behaviors. An individual's inherent uncertainty, e.g., change of destination, can be…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Yao Liu , Zesheng Ye , Rui Wang , Binghao Li , Quan Z. Sheng , Lina Yao

Constructing valid and informative conformal prediction regions for multi-dimensional outputs remains a fundamental challenge. While conformal prediction provides finite-sample, distribution-free coverage guarantees, its practical…

机器学习 · 统计学 2026-05-11 Zhenhan Fang , Aixin Tan , Jian Huang

Millimeter-wave (mmWave) radar enables contactless respiratory sensing,yet fine-grained monitoring is often degraded by nonstationary interference from body micromotions.To achieve micromotion interference removal,we propose…

图像与视频处理 · 电气工程与系统科学 2026-03-24 Yong Wang , Qifan Shen , Bao Zhang , Zijun Huang , Chengbo Zhu , Shuai Yao , Qisong Wu

Scaling video diffusion transformers (DiTs) is limited by their quadratic 3D attention, even though most of the attention mass concentrates on a small subset of positions. We turn this observation into VSA, a trainable, hardware-efficient…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Peiyuan Zhang , Yongqi Chen , Haofeng Huang , Will Lin , Zhengzhong Liu , Ion Stoica , Eric Xing , Hao Zhang

State estimation remains a fundamental challenge across numerous domains, from autonomous driving, aircraft tracking to quantum system control. Although Bayesian filtering has been the cornerstone solution, its classical model-based…

机器学习 · 计算机科学 2025-02-11 Yangguang He , Wenhao Li , Minzhe Li , Juan Zhang , Xiangfeng Wang , Bo Jin

Since acquiring large amounts of realistic blurry-sharp image pairs is difficult and expensive, learning blind image deblurring from unpaired data is a more practical and promising solution. Unfortunately, dominant approaches rely heavily…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Chengxu Liu , Lu Qi , Jinshan Pan , Xueming Qian , Ming-Hsuan Yang

Autonomous driving requires an understanding of the static environment from sensor data. Learned Bird's-Eye View (BEV) encoders are commonly used to fuse multiple inputs, and a vector decoder predicts a vectorized map representation from…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Thomas Monninger , Zihan Zhang , Zhipeng Mo , Md Zafar Anwar , Steffen Staab , Sihao Ding

Sophisticated trajectory prediction models that effectively mimic team dynamics have many potential uses for sports coaches, broadcasters and spectators. However, through experiments on soccer data we found that it can be surprisingly…

机器学习 · 计算机科学 2021-06-02 Brandon Victor , Aiden Nibali , Zhen He , David L. Carey

Diffusion models are widely used in applications ranging from image generation to inverse problems. However, training diffusion models typically requires clean ground-truth images, which are unavailable in many applications. We introduce…

图像与视频处理 · 电气工程与系统科学 2025-05-20 Chicago Y. Park , Shirin Shoushtari , Hongyu An , Ulugbek S. Kamilov