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Accurate localization is crucial for various applications, including autonomous vehicles and next-generation wireless networks. However, the reliability and precision of Global Navigation Satellite Systems (GNSS), such as the Global…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Gouranga Charan , Tawfik Osman , Ahmed Alkhateeb

Indoor localization in GPS-denied environments is crucial for applications like emergency response and assistive navigation. Vision-based methods such as PALMS enable infrastructure-free localization using only a floor plan and a stationary…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yunqian Cheng , Benjamin Princen , Roberto Manduchi

Rapid and accurate structural damage assessment following natural disasters is critical for effective emergency response and recovery. However, remote sensing imagery often suffers from low spatial resolution, contextual ambiguity, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Bijay Shakya , Catherine Hoier , Khandaker Mamun Ahmed

Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve super-human…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Jonas Theiner , Eric Mueller-Budack , Ralph Ewerth

Mapping and localization are two essential tasks for mobile robots in real-world applications. However, largescale and dynamic scenes challenge the accuracy and robustness of most current mature solutions. This situation becomes even worse…

Robotics · Computer Science 2022-01-19 Fan Wang , Chaofan Zhang , Fulin Tang , Hongkui Jiang , Yihong Wu , Yong Liu

The availability of real-time semantics greatly improves the core geometric functionality of SLAM systems, enabling numerous robotic and AR/VR applications. We present a new methodology for real-time semantic mapping from RGB-D sequences…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Jingwen Wang , Juan Tarrio , Lourdes Agapito , Pablo F. Alcantarilla , Alexander Vakhitov

Simultaneous localization and mapping (SLAM) are essential in numerous robotics applications, such as autonomous navigation. Traditional SLAM approaches infer the metric state of the robot along with a metric map of the environment. While…

Robotics · Computer Science 2023-02-20 Roee Mor , Vadim Indelman

Effective scene representation is critical for the visual grounding ability of representations, yet existing methods for 3D Visual Grounding are often constrained. They either only focus on geometric and visual cues, or, like traditional 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Qinghongbing Xie , Zijian Liang , Fuhao Li , Long Zeng

We present GraPLUS (Graph-based Placement Using Semantics), a novel framework for plausible object placement in images that leverages scene graphs and large language models. Our approach uniquely combines graph-structured scene…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Mir Mohammad Khaleghi , Mehran Safayani , Abdolreza Mirzaei

Contextual information can have a substantial impact on the performance of visual tasks such as semantic segmentation, object detection, and geometric estimation. Data stored in Geographic Information Systems (GIS) offers a rich source of…

Computer Vision and Pattern Recognition · Computer Science 2016-02-22 Raúl Díaz , Minhaeng Lee , Jochen Schubert , Charless C. Fowlkes

Video Panoptic Segmentation (VPS) is a challenging task that is extends from image panoptic segmentation.VPS aims to simultaneously classify, track, segment all objects in a video, including both things and stuff. Due to its wide…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Biao Wu , Diankai Zhang , Si Gao , Chengjian Zheng , Shaoli Liu , Ning Wang

We present a system for creating building-scale, easily navigable 3D maps using mainstream smartphones. In our approach, we formulate the 3D-mapping problem as an instance of Graph SLAM and infer the position of both building landmarks…

Numerous navigation applications rely on data from global navigation satellite systems (GNSS), even though their accuracy is compromised in urban areas, posing a significant challenge, particularly for precise autonomous car localization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Antonia Bieringer , Olaf Wysocki , Sebastian Tuttas , Ludwig Hoegner , Christoph Holst

Conventional sensor-based localization relies on high-precision maps, which are generally built using specialized mapping techniques involving high labor and computational costs. In the architectural, engineering and construction industry,…

Robotics · Computer Science 2022-11-30 Huan Yin , Zhiyi Lin , Justin K. W. Yeoh

Sensing surroundings plays a crucial role in human spatial perception, as it extracts the spatial configuration of objects as well as the free space from the observations. To facilitate the robot perception with such a surrounding sensing…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Bowen Pan , Jiankai Sun , Ho Yin Tiga Leung , Alex Andonian , Bolei Zhou

In recent years, video semantic segmentation has made great progress with advanced deep neural networks. However, there still exist two main challenges \ie, information inconsistency and computation cost. To deal with the two difficulties,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Jinming Su , Ruihong Yin , Shuaibin Zhang , Junfeng Luo

Integrating Global Navigation Satellite Systems (GNSS) in Simultaneous Localization and Mapping (SLAM) systems draws increasing attention to a global and continuous localization solution. Nonetheless, in dense urban environments, GNSS-based…

Robotics · Computer Science 2023-12-29 Jie Yin , Tao Li , Hao Yin , Wenxian Yu , Danping Zou

We present a new method for estimating the 6D pose of rigid objects with available 3D models from a single RGB input image. The method is applicable to a broad range of objects, including challenging ones with global or partial symmetries.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Tomas Hodan , Daniel Barath , Jiri Matas

Accurate environment perception is essential for automated driving. When using monocular cameras, the distance estimation of elements in the environment poses a major challenge. Distances can be more easily estimated when the camera…

Computer Vision and Pattern Recognition · Computer Science 2020-05-11 Lennart Reiher , Bastian Lampe , Lutz Eckstein

For mobile robots to operate autonomously in general environments, perception is required in the form of a dense metric map. For this purpose, we present the stochastic triangular mesh (STM) mapping technique: a 2.5-D representation of the…

Robotics · Computer Science 2020-03-03 Clint D. Lombard , Corné E. van Daalen