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Learned world models hold significant potential for robotic manipulation, as they can serve as simulator for real-world interactions. While extensive progress has been made in 2D video-based world models, these approaches often lack…

Robotics · Computer Science 2025-10-13 Chuanrui Zhang , Zhengxian Wu , Guanxing Lu , Yansong Tang , Ziwei Wang

Semantic navigation enables robots to understand their environments beyond basic geometry, allowing them to reason about objects, their functions, and their interrelationships. In semantic robotic navigation, creating accurate and…

Robotics · Computer Science 2024-10-22 Fama Ngom , Huaxi Zhang , Lei Zhang , Karen Godary-Dejean , Marianne Huchard

Fast and accurate path planning is important for ground robots to achieve safe and efficient autonomous navigation in unstructured outdoor environments. However, most existing methods exploiting either 2D or 2.5D maps struggle to balance…

Robotics · Computer Science 2023-03-10 Jiayang Liu , Xieyuanli Chen , Junhao Xiao , Sichao Lin , Zhiqiang Zheng , Huimin Lu

Fusion-based place recognition is an emerging technique jointly utilizing multi-modal perception data, to recognize previously visited places in GPS-denied scenarios for robots and autonomous vehicles. Recent fusion-based place recognition…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Jingyi Xu , Junyi Ma , Qi Wu , Zijie Zhou , Yue Wang , Xieyuanli Chen , Ling Pei

In complex environments, autonomous robot navigation and environmental perception pose higher requirements for SLAM technology. This paper presents a novel method for semantically enhancing 3D point cloud maps with thermal information. By…

Robotics · Computer Science 2026-01-15 Jiajun Sun , Yangyi Ou , Haoyuan Zheng , Chao yang , Yue Ma

Localization is an essential task for mobile autonomous robotic systems that want to use pre-existing maps or create new ones in the context of SLAM. Today, many robotic platforms are equipped with high-accuracy 3D LiDAR sensors, which…

This article presents a novel and flexible multitask multilayer Bayesian mapping framework with readily extendable attribute layers. The proposed framework goes beyond modern metric-semantic maps to provide even richer environmental…

Robotics · Computer Science 2022-10-11 Lu Gan , Youngji Kim , Jessy W. Grizzle , Jeffrey M. Walls , Ayoung Kim , Ryan M. Eustice , Maani Ghaffari

Imitation learning method has shown immense promise for robotic manipulation, yet its practical deployment is fundamentally constrained by the data scarcity. Despite prior work on collecting large-scale datasets, there still remains a…

Robots require a semantic understanding of their surroundings to operate in an efficient and explainable way in human environments. In the literature, there has been an extensive focus on object labeling and exhaustive scene graph…

Robotics · Computer Science 2024-04-16 Roberto Bigazzi , Lorenzo Baraldi , Shreyas Kousik , Rita Cucchiara , Marco Pavone

Multimodal recommendation enhances ranking by integrating user-item interactions with item content, which is particularly effective under sparse feedback and long-tail distributions. However, multimodal signals are inherently heterogeneous…

Artificial Intelligence · Computer Science 2026-02-27 Ji Dai , Quan Fang , Dengsheng Cai

The exploration of large-scale unknown environments can benefit from the deployment of multiple robots for collaborative mapping. Each robot explores a section of the environment and communicates onboard pose estimates and maps to a central…

Robotics · Computer Science 2022-11-03 Lukas Bernreiter , Shehryar Khattak , Lionel Ott , Roland Siegwart , Marco Hutter , Cesar Cadena

Machine learning (ML) algorithms have emerged in many meteorological applications. However, these algorithms struggle to extrapolate beyond the data they were trained on, i.e., they may adopt faulty strategies that lead to catastrophic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Nathan Mitchell , Lander Ver Hoef , Imme Ebert-Uphoff , Kristina Moen , Kyle Hilburn , Yoonjin Lee , Emily J. King

We study the image-based geolocalization problem, aiming to localize ground-view query images on cartographic maps. Current methods often utilize cross-view localization techniques to match ground-view query images with 2D maps. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Mengjie Zhou , Liu Liu , Yiran Zhong , Andrew Calway

Multimodal foundation models that can holistically process text alongside images, video, audio, and other sensory modalities are increasingly used in a variety of real-world applications. However, it is challenging to characterize and study…

Multi-modal large language models have demonstrated impressive performance across various tasks in different modalities. However, existing multi-modal models primarily emphasize capturing global information within each modality while…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Zhaowei Li , Qi Xu , Dong Zhang , Hang Song , Yiqing Cai , Qi Qi , Ran Zhou , Junting Pan , Zefeng Li , Van Tu Vu , Zhida Huang , Tao Wang

Traditional robot navigation systems primarily utilize occupancy grid maps and laser-based sensing technologies, as demonstrated by the popular move_base package in ROS. Unlike robots, humans navigate not only through spatial awareness and…

Robotics · Computer Science 2025-07-22 Fujing Xie , Jiajie Zhang , Sören Schwertfeger

The ability to autonomously navigate in unknown environments is important for mobile robots. The map is the core component to achieve this. Most map representations rely on drift-free state estimation and provide a global metric map to…

Robotics · Computer Science 2021-09-21 Xuecheng Xu , Cheng Wang , Yue Wang , Rong Xiong

Aerial or satellite imagery is a great source for land surface analysis, which might yield land use maps or elevation models. In this investigation, we present a neural network framework for learning semantics and local height together. We…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Frédéric Champagnat , Andrés Almansa

Occupancy grid maps (OGMs) are fundamental to most systems for autonomous robotic navigation. However, CPU-based implementations struggle to keep up with data rates from modern 3D lidar sensors, and provide little capacity for modern…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Kazys Stepanas , Jason Williams , Emili Hernández , Fabio Ruetz , Thomas Hines

This work presents a 3D multi-robot exploration framework for a team of UGVs moving on uneven terrains. The framework was designed by casting the two-level coordination strategy presented in [1] into the context of multi-robot exploration.…

Robotics · Computer Science 2023-07-10 Luigi Freda , Tiago Novo , David Portugal , Rui P. Rocha
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