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Related papers: VisionTraj: A Noise-Robust Trajectory Recovery Fra…

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Tool-Integrated Reasoning (TIR) enables large language models (LLMs) to solve complex tasks by interacting with external tools, yet existing approaches depend on high-quality synthesized trajectories selected by scoring functions and sparse…

Artificial Intelligence · Computer Science 2026-02-02 Siyu Gong , Linan Yue , Weibo Gao , Fangzhou Yao , Shimin Di , Lei Feng , Min-Ling Zhang

Existing zero-shot Object Goal Navigation (ObjectNav) methods often exploit commonsense knowledge from large language or vision-language models to guide navigation. However, such knowledge arises from internet-scale text rather than…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Yiyao Wang , Sixian Zhang , Keming Zhang , Xinhang Song , Songjie Du , Shuqiang Jiang

Vehicle trajectory data provides critical information for traffic flow modeling and analysis. Unmanned aerial vehicles (UAV) is an emerging technology for traffic data collection because of its flexibility and diversity on spatial and…

Physics and Society · Physics 2022-04-19 Ruyi Feng , Zhibin Li , Changyan Fan

In this paper we propose an automatic trajectory data reconciliation to correct common errors in vision-based vehicle trajectory data. Given "raw" vehicle detection and tracking information from automatic video processing algorithms, we…

Data Structures and Algorithms · Computer Science 2023-11-07 Yanbing Wang , Derek Gloudemans , Junyi Ji , Zi Nean Teoh , Lisa Liu , Gergely Zachár , William Barbour , Daniel Work

Diffusion Transformers (DiT)-based video generation models with 3D full attention exhibit strong generative capabilities. Trajectory control represents a user-friendly task in the field of controllable video generation. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Cheng Lei , Jiayu Zhang , Yue Ma , Xinyu Wang , Long Chen , Liang Tang , Yiqiang Yan , Fei Su , Zhicheng Zhao

We are concerned with retrieving a query person from multiple videos captured by a non-overlapping camera network. Existing methods often rely on purely visual matching or consider temporal constraints but ignore the spatial information of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Xin Zhang , Xiaohua Xie , Jianhuang Lai , Wei-Shi Zheng

Transportation systems often rely on understanding the flow of vehicles or pedestrian. From traffic monitoring at the city scale, to commuters in train terminals, recent progress in sensing technology make it possible to use cameras to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 George Adaimi , Sven Kreiss , Alexandre Alahi

Self-driving vehicles rely on sensory input to monitor their surroundings and continuously adapt to the most likely future road course. Predictive trajectory planning is based on snapshots of the (uncertain) road course as a key input.…

Robotics · Computer Science 2025-09-24 Benjamin Bogenberger , Johannes Bürger , Vladislav Nenchev

In real-world environments, outdoor imaging systems are often affected by disturbances such as rain degradation. Especially, in nighttime driving scenes, insufficient and uneven lighting shrouds the scenes in darkness, resulting degradation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Cidan Shi , Lihuang Fang , Han Wu , Xiaoyu Xian , Yukai Shi , Liang Lin

Collaborative perception plays a crucial role in enhancing environmental understanding by expanding the perceptual range and improving robustness against sensor failures, which primarily involves collaborative 3D detection and tracking…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Xunjie He , Christina Dao Wen Lee , Meiling Wang , Chengran Yuan , Zefan Huang , Yufeng Yue , Marcelo H. Ang

Effective trajectory generation is essential for reliable on-board spacecraft autonomy. Among other approaches, learning-based warm-starting represents an appealing paradigm for solving the trajectory generation problem, effectively…

Deep image denoising networks have achieved impressive success with the help of a considerably large number of synthetic train datasets. However, real-world denoising is a still challenging problem due to the dissimilarity between…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Seunghwan Lee , Tae Hyun Kim

Realtime 4D reconstruction for dynamic scenes remains a crucial challenge for autonomous driving perception. Most existing methods rely on depth estimation through self-supervision or multi-modality sensor fusion. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Xin Fei , Wenzhao Zheng , Yueqi Duan , Wei Zhan , Masayoshi Tomizuka , Kurt Keutzer , Jiwen Lu

Dense self-supervised learning has shown great promise for learning pixel- and patch-level representations, but extending it to videos remains challenging due to the complexity of motion dynamics. Existing approaches struggle as they rely…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Mohammadreza Salehi , Shashanka Venkataramanan , Ioana Simion , Efstratios Gavves , Cees G. M. Snoek , Yuki M Asano

This paper jointly addresses three key limitations in conventional pedestrian trajectory forecasting: pedestrian perception errors, real-world data collection costs, and person ID annotation costs. We propose a novel framework, RealTraj,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ryo Fujii , Hideo Saito , Ryo Hachiuma

Temporal information is crucial for visual tracking, but existing multi-frame trackers are vulnerable to model drift caused by naively aggregating noisy historical predictions. In this paper, we introduce DTPTrack, a lightweight and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Yuqing Huang , Liting Lin , Weijun Zhuang , Zhenyu He , Xin Li

Recent advances in text-to-video generation have demonstrated the utility of powerful diffusion models. Nevertheless, the problem is not trivial when shaping diffusion models to animate static image (i.e., image-to-video generation). The…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhongwei Zhang , Fuchen Long , Yingwei Pan , Zhaofan Qiu , Ting Yao , Yang Cao , Tao Mei

Existing vehicle re-identification methods mainly rely on the single query, which has limited information for vehicle representation and thus significantly hinders the performance of vehicle Re-ID in complicated surveillance networks. In…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Aihua Zheng , Chaobin Zhang , Weijun Zhang , Chenglong Li , Jin Tang , Chang Tan , Ruoran Jia

Deep learning algorithms for video Snapshot Compressive Imaging (SCI) have achieved great success, yet they predominantly focus on reconstructing from clean measurements. This overlooks a critical real-world challenge: the captured signal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Hao Wang , Zhankuo Xu , Jiong Ni , Xing Liu , Haoyang Liu , Xin Yuan

Image denoising is an important low-level computer vision task, which aims to reconstruct a noise-free and high-quality image from a noisy image. With the development of deep learning, convolutional neural network (CNN) has been gradually…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Chao Yao , Shuo Jin , Meiqin Liu , Xiaojuan Ban