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Trajectories are fundamental in different skiing disciplines. Tools enabling the analysis of such curves can enhance the training activity and enrich the broadcasting contents. However, the solutions currently available are based on…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Matteo Dunnhofer , Alberto Zurini , Maurizio Dunnhofer , Christian Micheloni

Swept volume computation, the determination of regions occupied by moving objects, is essential in graphics, robotics, and manufacturing. Existing approaches either explicitly track surfaces, suffering from robustness issues under complex…

计算几何 · 计算机科学 2025-09-12 Pengfei Wang , Yuexin Yang , Shuangmin Chen , Shiqing Xin , Changhe Tu , Wenping Wang

This paper considers the use of compressive sensing based algorithms for velocity estimation of moving vehicles. The procedure is based on sparse reconstruction algorithms combined with time-frequency analysis applied to video data. This…

多媒体 · 计算机科学 2015-02-24 Ana Miletic , Nemanja Ivanovic

In this study, we develop an unsupervised coarse-to-fine video analysis framework and prototype system to extract a salient object in a video sequence. This framework starts from tracking grid-sampled points along temporal frames, typically…

多媒体 · 计算机科学 2018-09-30 Chi Zhang , Alexander Loui

Soft tissue tracking is crucial for computer-assisted interventions. Existing approaches mainly rely on extracting discriminative features from the template and videos to recover corresponding matches. However, it is difficult to adopt…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Jiaxin Guo , Jiangliu Wang , Zhaoshuo Li , Tongyu Jia , Qi Dou , Yun-Hui Liu

Video synopsis, summarizing a video to generate a shorter video by exploiting the spatial and temporal redundancies, is important for surveillance and archiving. Existing trajectory-based video synopsis algorithms will not able to work in…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Anton Jeran Ratnarajah , Sahani Goonetilleke , Dumindu Tissera , Kapilan Balagopalan , Ranga Rodrigo

Despite remarkable achievements in video synthesis, achieving granular control over complex dynamics, such as nuanced movement among multiple interacting objects, still presents a significant hurdle for dynamic world modeling, compounded by…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Pengxiang Li , Kai Chen , Zhili Liu , Ruiyuan Gao , Lanqing Hong , Guo Zhou , Hua Yao , Dit-Yan Yeung , Huchuan Lu , Xu Jia

This paper develops a method to use RGB-D cameras to track the motions of a human spinal cord injury patient undergoing spinal stimulation and physical rehabilitation. Because clinicians must remain close to the patient during training…

机器人学 · 计算机科学 2017-08-01 Kun Li , Joel W. Burdick

Automated tracking of surgical tool keypoints in robotic surgery videos is an essential task for various downstream use cases such as skill assessment, expertise assessment, and the delineation of safety zones. In recent years, the…

计算机视觉与模式识别 · 计算机科学 2025-01-31 Bhargav Ghanekar , Lianne R. Johnson , Jacob L. Laughlin , Marcia K. O'Malley , Ashok Veeraraghavan

In order to track the moving objects in long range against occlusion, interruption, and background clutter, this paper proposes a unified approach for global trajectory analysis. Instead of the traditional frame-by-frame tracking, our…

计算机视觉与模式识别 · 计算机科学 2015-02-03 Liang Lin , Yongyi Lu , Yan Pan , Xiaowu Chen

Tracking and following objects of interest is critical to several robotics use cases, ranging from industrial automation to logistics and warehousing, to healthcare and security. In this paper, we present a robotic system to detect, track,…

Due to the problem of performance constraints of unsupervised video object detection, its large-scale application is limited. In response to this pain point, we propose another excellent method to solve this problematic point. By…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Chao Hu , Liqiang Zhu

Visual object tracking is a fundamental video task in computer vision. Recently, the notably increasing power of perception algorithms allows the unification of single/multiobject and box/mask-based tracking. Among them, the Segment…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Jiawen Zhu , Zhenyu Chen , Zeqi Hao , Shijie Chang , Lu Zhang , Dong Wang , Huchuan Lu , Bin Luo , Jun-Yan He , Jin-Peng Lan , Hanyuan Chen , Chenyang Li

Video prediction is a pixel-wise dense prediction task to infer future frames based on past frames. Missing appearance details and motion blur are still two major problems for current predictive models, which lead to image distortion and…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Beibei Jin , Yu Hu , Qiankun Tang , Jingyu Niu , Zhiping Shi , Yinhe Han , Xiaowei Li

Object detection and tracking in videos represent essential and computationally demanding building blocks for current and future visual perception systems. In order to reduce the efficiency gap between available methods and computational…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Issa Mouawad , Francesca Odone

Security concerns has been kept on increasing, so it is important for everyone to keep their property safe from thefts and destruction. So the need for surveillance techniques are also increasing. The system has been developed to detect the…

计算机视觉与模式识别 · 计算机科学 2015-06-23 Nayyab Naseem , Mehreen Sirshar

We propose to leverage a generic object tracker in order to perform object mining in large-scale unlabeled videos, captured in a realistic automotive setting. We present a dataset of more than 360'000 automatically mined object tracks from…

计算机视觉与模式识别 · 计算机科学 2018-09-20 Aljosa Osep , Paul Voigtlaender , Jonathon Luiten , Stefan Breuers , Bastian Leibe

Video action detection (spatio-temporal action localization) is usually the starting point for human-centric intelligent analysis of videos nowadays. It has high practical impacts for many applications across robotics, security, healthcare,…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Xin Hu , Zhenyu Wu , Hao-Yu Miao , Siqi Fan , Taiyu Long , Zhenyu Hu , Pengcheng Pi , Yi Wu , Zhou Ren , Zhangyang Wang , Gang Hua

The automatic detection and tracking of general objects (like persons, animals or cars), text and logos in a video is crucial for many video understanding tasks, and usually real-time processing as required. We propose OmniTrack, an…

计算机视觉与模式识别 · 计算机科学 2019-10-15 Hannes Fassold , Ridouane Ghermi

Video super-resolution aims at generating a high-resolution video from its low-resolution counterpart. With the rapid rise of deep learning, many recently proposed video super-resolution methods use convolutional neural networks in…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Xiaohong Liu , Lingshi Kong , Yang Zhou , Jiying Zhao , Jun Chen