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Autonomous robotic systems require spatio-temporal understanding of dynamic environments to ensure reliable navigation and interaction. While Vision-Language Models (VLMs) provide open-world semantic priors, they lack grounding in 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Tin Stribor Sohn , Maximilian Dillitzer , Jason J. Corso , Eric Sax

Gaussian Splatting (GS) has emerged as a crucial technique for representing discrete volumetric radiance fields. It leverages unique parametrization to mitigate computational demands in scene optimization. This work introduces…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Tianqi Shen , Shaohua Liu , Jiaqi Feng , Ziye Ma , Ning An

Most autonomous cars rely on the availability of high-definition (HD) maps. Current research aims to address this constraint by directly predicting HD map elements from onboard sensors and reasoning about the relationships between the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Khanh Son Pham , Christian Witte , Jens Behley , Johannes Betz , Cyrill Stachniss

In this paper we present an implementation of a computer algorithm that automatically determines the topological structure of spacetime, using a branched covering space representation. This algorithm is applied to a few simple examples in…

General Relativity and Quantum Cosmology · Physics 2025-08-13 Christopher L Duston

Micro-Aerial Vehicles (MAVs) have the advantage of moving freely in 3D space. However, creating compact and sparse map representations that can be efficiently used for planning for such robots is still an open problem. In this paper, we…

Robotics · Computer Science 2018-07-25 Helen Oleynikova , Zachary Taylor , Roland Siegwart , Juan Nieto

Deep learning has recently been applied to various research areas of design optimization. This study presents the need and effectiveness of adopting deep learning for generative design (or design exploration) research area. This work…

Machine Learning · Computer Science 2020-05-27 Sangeun Oh , Yongsu Jung , Seongsin Kim , Ikjin Lee , Namwoo Kang

Current point cloud registration methods are mainly based on local geometric information and usually ignore the semantic information contained in the scenes. In this paper, we treat the point cloud registration problem as a semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Shaocong Liu , Tao Wang , Yan Zhang , Ruqin Zhou , Li Li , Chenguang Dai , Yongsheng Zhang , Longguang Wang , Hanyun Wang

Spatial-temporal graphs have been widely used by skeleton-based action recognition algorithms to model human action dynamics. To capture robust movement patterns from these graphs, long-range and multi-scale context aggregation and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Ziyu Liu , Hongwen Zhang , Zhenghao Chen , Zhiyong Wang , Wanli Ouyang

We present a method for the automatic generation of netlists describing general three-dimensional electrothermal and electromagnetic field problems. Using a pair of structured orthogonal grids as spatial discretisation, a one-to-one…

Computational Engineering, Finance, and Science · Computer Science 2019-10-16 Thorben Casper , David Duque , Sebastian Schöps , Herbert De Gersem

In recent years, mobile robots are becoming ambitious and deployed in large-scale scenarios. Serving as a high-level understanding of environments, a sparse skeleton graph is beneficial for more efficient global planning. Currently,…

Robotics · Computer Science 2022-08-09 Xinyi Chen , Boyu Zhou , Jiarong Lin , Yichen Zhang , Fu Zhang , Shaojie Shen

Simultaneous Localization and Mapping (SLAM) has been considered as a solved problem thanks to the progress made in the past few years. However, the great majority of LiDAR-based SLAM algorithms are designed for a specific type of payload…

Robotics · Computer Science 2018-10-31 Weikun Zhen , Sebastian Scherer

Recent advancements in object-centric text-to-3D generation have shown impressive results. However, generating complex 3D scenes remains an open challenge due to the intricate relations between objects. Moreover, existing methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Yu-Hsiang Huang , Wei Wang , Sheng-Yu Huang , Yu-Chiang Frank Wang

Computer Aided Design (CAD) is widely used in the creation and optimization of various industrial systems and processes. Transforming a CAD geometry into a computational discretization that be used to solve PDEs requires care and a deep…

Numerical Analysis · Mathematics 2022-10-27 Thibault Jacquemin , Pratik Suchde , Stéphane P. A. Bordas

Smart grid infrastructure needs improved resilience and preventive maintenance through more accurate predictions. Current methodologies lack accurate representation of spatio-temporal-causal interdependencies and class imbalance in failure…

Systems and Control · Electrical Eng. & Systems 2026-01-07 Anh Le , Phat K. Huynh , Om P. Yadav , Harun Pirim , Chau Le , Trung Q. Le

High-level autonomous operations depend on a robot's ability to construct a sufficiently expressive model of its environment. Traditional three-dimensional (3D) scene representations, such as point clouds and occupancy grids, provide…

Robotics · Computer Science 2025-06-10 Chad R Samuelson , Timothy W McLain , Joshua G Mangelson

In many areas of applied geometric/numeric computational mathematics, including geo-mapping, computer vision, computer graphics, finite element analysis, medical imaging, geometric design, and solid modeling, one has to compute incidences,…

Computational Geometry · Computer Science 2019-11-20 Alberto Paoluzzi , Vadim Shapiro , Antonio DiCarlo , Francesco Furiani , Giulio Martella , Giorgio Scorzelli

Outdoor intelligent autonomous robotic operation relies on a sufficiently expressive map of the environment. Classical geometric mapping methods retain essential structural environment information, but lack a semantic understanding and…

Mobile robots should be aware of their situation, comprising the deep understanding of their surrounding environment along with the estimation of its own state, to successfully make intelligent decisions and execute tasks autonomously in…

Robotics · Computer Science 2022-07-04 Hriday Bavle , Jose Luis Sanchez-Lopez , Muhammad Shaheer , Javier Civera , Holger Voos

3D occupancy prediction is critical for comprehensive scene understanding in vision-centric autonomous driving. Recent advances have explored utilizing 3D semantic Gaussians to model occupancy while reducing computational overhead, but they…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Xiaoyang Yan , Muleilan Pei , Shaojie Shen

While 2D occupancy maps commonly used in mobile robotics enable safe navigation in indoor environments, in order for robots to understand and interact with their environment and its inhabitants representing 3D geometry and semantic…

Robotics · Computer Science 2025-01-09 Krishnananda Prabhu Sivananda , Francesco Verdoja , Ville Kyrki