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Molecular dynamics simulation is a proven technique for computing and visualizing the time-resolved motion of macromolecules at atomic resolution. The MDsrv is a tool that streams MD trajectories and displays them interactively in web…

Mastering the technical skills required to perform surgery is an extremely challenging task. Video-based assessment allows surgeons to receive feedback on their technical skills to facilitate learning and development. Currently, this…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Mona Fathollahi , Mohammad Hasan Sarhan , Ramon Pena , Lela DiMonte , Anshu Gupta , Aishani Ataliwala , Jocelyn Barker

This paper looks into the problem of pedestrian tracking using a monocular, potentially moving, uncalibrated camera. The pedestrians are located in each frame using a standard human detector, which are then tracked in subsequent frames.…

Computer Vision and Pattern Recognition · Computer Science 2015-01-27 Sourav Garg , Swagat Kumar , Rajesh Ratnakaram , Prithwijit Guha

Visual tracking (VT) is the process of locating a moving object of interest in a video. It is a fundamental problem in computer vision, with various applications in human-computer interaction, security and surveillance, robot perception,…

Quantum Physics · Physics 2019-02-06 Chao-Hua Yu , Fei Gao , Chenghuan Liu , Du Huynh , Mark Reynolds , Jingbo Wang

We introduce a novel semi-supervised video segmentation approach based on an efficient video representation, called as "super-trajectory". Each super-trajectory corresponds to a group of compact trajectories that exhibit consistent motion…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Wenguan Wang , Jianbing Shen , Jianwen Xie , Fatih Porikli

We present a method for 3D ball trajectory estimation from a 2D tracking sequence. To overcome the ambiguity in 3D from 2D estimation, we design an LSTM-based pipeline that utilizes a novel canonical 3D representation that is independent of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Puntawat Ponglertnapakorn , Supasorn Suwajanakorn

The problem of Multiple Object Tracking (MOT) consists in following the trajectory of different objects in a sequence, usually a video. In recent years, with the rise of Deep Learning, the algorithms that provide a solution to this problem…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Gioele Ciaparrone , Francisco Luque Sánchez , Siham Tabik , Luigi Troiano , Roberto Tagliaferri , Francisco Herrera

Exploratory analysis of scalar fields on surface meshes presents significant challenges in identifying and visualizing important regions, particularly on the surface's backside. Previous visualization methods achieved only a limited…

Graphics · Computer Science 2024-05-30 Kai Lawonn , Monique Meuschke , Tobias Günther

Cyclists face a disproportionate risk of injury, yet conventional crash records are too sparse to identify risk factors at fine spatial and temporal scales. Recently, naturalistic studies have used video data to capture the complex…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jingwei Guo , Yitai Cheng , Meihui Wang , Ilya Ilyankou , Natchapon Jongwiriyanurak , Xiaowei Gao , Nicola Christie , James Haworth

The aim of this paper is to show a procedure for identify the barycentre of a diver by means of video processing. This procedure is aimed to introduce quantitative analysis tools and diving performance measurement and therefore in diving…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Stefano Frassinelli , Alessandro Niccolai , Riccardo E. Zich

In this paper, we tackle the problem of multibody SLAM from a monocular camera. The term multibody, implies that we track the motion of the camera, as well as that of other dynamic participants in the scene. The quintessential challenge in…

Sports analysis and viewing play a pivotal role in the current sports domain, offering significant value not only to coaches and athletes but also to fans and the media. In recent years, the rapid development of virtual reality (VR) and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Wenxuan Guo , Zhiyu Pan , Ziheng Xi , Alapati Tuerxun , Jianjiang Feng , Jie Zhou

Tokenization in video models, typically through patchification, generates an excessive and redundant number of tokens. This severely limits video efficiency and scalability. While recent trajectory-based tokenizers offer a promising…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Chenhao Zheng , Jieyu Zhang , Jianing Zhang , Weikai Huang , Ashutosh Kumar , Quan Kong , Oncel Tuzel , Chun-Liang Li , Ranjay Krishna

Tracking skiers in RGB broadcast footage is challenging due to motion blur, static overlays, and clutter that obscure the fast-moving athlete. Event cameras, with their asynchronous contrast sensing, offer natural robustness to such…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Krishna Vinod , Joseph Raj Vishal , Kaustav Chanda , Prithvi Jai Ramesh , Yezhou Yang , Bharatesh Chakravarthi

Temporal action localization aims to identify the boundaries and categories of actions in videos, such as scoring a goal in a football match. Single-frame supervision has emerged as a labor-efficient way to train action localizers as it…

Human-Computer Interaction · Computer Science 2023-12-11 Changjian Chen , Jiashu Chen , Weikai Yang , Haoze Wang , Johannes Knittel , Xibin Zhao , Steffen Koch , Thomas Ertl , Shixia Liu

Scattering can rapidly degrade our ability to form an optical image, to the point where only speckle-like patterns can be measured. Truly non-invasive imaging through a strongly scattering obstacle is difficult, and usually reliant on a…

Optics · Physics 2022-10-26 Y. Jauregui-Sánchez , Harry Penketh , Jacopo Bertolotti

Most state-of-the-art point trackers are trained on synthetic data due to the difficulty of annotating real videos for this task. However, this can result in suboptimal performance due to the statistical gap between synthetic and real…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Nikita Karaev , Iurii Makarov , Jianyuan Wang , Natalia Neverova , Andrea Vedaldi , Christian Rupprecht

We present an interactive visualisation tool for recommending travel trajectories. This system is based on new machine learning formulations and algorithms for the sequence recommendation problem. The system starts from a map-based…

Human-Computer Interaction · Computer Science 2017-07-20 Dawei Chen , Dongwoo Kim , Lexing Xie , Minjeong Shin , Aditya Krishna Menon , Cheng Soon Ong , Iman Avazpour , John Grundy

The filming of sporting events projects and flattens the movement of athletes in the world onto a 2D broadcast image. The pixel locations of joints in these images can be detected with high validity. Recovering the actual 3D movement of the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Tobias Baumgartner , Stefanie Klatt

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