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Topology change is a challenging problem for 4D reconstruction of dynamic scenes. In the classic volumetric fusion-based framework, a mesh is usually extracted from the TSDF volume as the canonical surface representation to help estimating…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Chao Li , Xiaohu Guo

This paper presents a novel on-line path planning method that enables aerial robots to interact with surfaces. We present a solution to the problem of finding trajectories that drive a robot towards a surface and move along it. Triangular…

Robotics · Computer Science 2021-02-23 Michael Pantic , Lionel Ott , Cesar Cadena , Roland Siegwart , Juan Nieto

Multi-traversal data, commonly collected through daily commutes or by self-driving fleets, provides multiple viewpoints for scene reconstruction within a road block. This data offers significant potential for high-quality novel view…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tianyu Li , Yihang Qiu , Zhenhua Wu , Carl Lindström , Peng Su , Matthias Nießner , Hongyang Li

In this work, we present a dense tracking and mapping system named Vox-Fusion, which seamlessly fuses neural implicit representations with traditional volumetric fusion methods. Our approach is inspired by the recently developed implicit…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Xingrui Yang , Hai Li , Hongjia Zhai , Yuhang Ming , Yuqian Liu , Guofeng Zhang

Folding is emerging as a promising manufacturing process to transform flat materials into functional structures, offering efficiency by reducing the need for welding, gluing, and molding, while minimizing waste and enabling automation.…

Soft Condensed Matter · Physics 2025-10-20 João C. Neves , Bernardo R. Marques , Cristóvão S. Dias , Nuno A. M. Araújo

In this paper, we present a novel method called PolyTrack for fast multi-object tracking and segmentation using bounding polygons. Polytrack detects objects by producing heatmaps of their center keypoint. For each of them, a rough…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Gaspar Faure , Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier

In the domain of 3D content creation, achieving optimal mesh topology through AI models has long been a pursuit for 3D artists. Previous methods, such as MeshGPT, have explored the generation of ready-to-use 3D objects via mesh…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Xianglong He , Junyi Chen , Di Huang , Zexiang Liu , Xiaoshui Huang , Wanli Ouyang , Chun Yuan , Yangguang Li

Pedestal modelling is crucial to predict the performance of future fusion devices. Current modelling efforts suffer either from a lack of kinetic physics, or an excess of computational complexity. To ameliorate these problems, we take a…

Plasma Physics · Physics 2018-06-06 Ian Abel , Axel Hallenbert

Shape matching has been a long-studied problem for the computer graphics and vision community. The objective is to predict a dense correspondence between meshes that have a certain degree of deformation. Existing methods either consider the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Mahdi Saleh , Shun-Cheng Wu , Luca Cosmo , Nassir Navab , Benjamin Busam , Federico Tombari

Functionals that penalize bending or stretching of a surface play a key role in geometric and scientific computing, but to date have ignored a very basic requirement: in many situations, surfaces must not pass through themselves or each…

Graphics · Computer Science 2021-07-06 Chris Yu , Caleb Brakensiek , Henrik Schumacher , Keenan Crane

We introduce the first data-driven multi-view 3D point tracker, designed to track arbitrary points in dynamic scenes using multiple camera views. Unlike existing monocular trackers, which struggle with depth ambiguities and occlusion, or…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Frano Rajič , Haofei Xu , Marko Mihajlovic , Siyuan Li , Irem Demir , Emircan Gündoğdu , Lei Ke , Sergey Prokudin , Marc Pollefeys , Siyu Tang

Early accident anticipation from dashcam videos is a highly desirable yet challenging task for improving the safety of intelligent vehicles. Existing advanced accident anticipation approaches commonly model the interaction among traffic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Hongpu Huang , Wei Zhou , Chen Wang

Engineering wear models are generally empirical and lack connections to the physical processes of debris generation at the nanoscale to microscale. Here, we thus analyze wear particle formation for sliding interfaces in dry contact with…

Materials Science · Physics 2019-05-15 Tobias Brink , Jean-François Molinari

Accurately predicting friction in sliding interfaces that contain third body wear particles is critical for engineering applications such as sliding movement in pistons, bearings, or metal forming. We present a hierarchical multiscale…

Multiple Object Tracking (MOT) detects the trajectories of multiple objects given an input video. It has become more and more important for various research and industry areas, such as cell tracking for biomedical research and human…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Lijun Wang , Yanting Zhu , Jue Shi , Xiaodan Fan

Utilizing patch-based transformers for unstructured geometric data such as polygon meshes presents significant challenges, primarily due to the absence of a canonical ordering and variations in input sizes. Prior approaches to handling 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Mohammad Farazi , Yalin Wang

We present a novel mesh-based learning approach (N-Cloth) for plausible 3D cloth deformation prediction. Our approach is general and can handle cloth or obstacles represented by triangle meshes with arbitrary topologies. We use graph…

Graphics · Computer Science 2022-05-31 Yudi Li , Min Tang , Yun Yang , Zi Huang , Ruofeng Tong , Shuangcai Yang , Yao Li , Dinesh Manocha

We propose a neural network-based approach for collision detection with deformable objects. Unlike previous approaches based on bounding volume hierarchies, our neural approach does not require an update of the spatial data structure when…

Graphics · Computer Science 2022-02-07 Ryan S. Zesch , Bethany R. Witemeyer , Ziyan Xiong , David I. W. Levin , Shinjiro Sueda

Multi-object tracking is an important ability for an autonomous vehicle to safely navigate a traffic scene. Current state-of-the-art follows the tracking-by-detection paradigm where existing tracks are associated with detected objects…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Hsu-kuang Chiu , Jie Li , Rares Ambrus , Jeannette Bohg

MultiDLO is a real-time algorithm for estimating the shapes of multiple, intertwining deformable linear objects (DLOs) from RGB-D image sequences. Unlike prior methods that track only a single DLO, MultiDLO simultaneously handles several…

Robotics · Computer Science 2025-06-04 Jingyi Xiang , Holly Dinkel