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Cross-view geo-localization identifies the locations of street-view images by matching them with geo-tagged satellite images or OSM. However, most existing studies focus on image-to-image retrieval, with fewer addressing text-guided…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Junyan Ye , Honglin Lin , Leyan Ou , Dairong Chen , Zihao Wang , Qi Zhu , Conghui He , Weijia Li

Locating populations in rural areas of developing countries has attracted the attention of humanitarian mapping projects since it is important to plan actions that affect vulnerable areas. Recent efforts have tackled this problem as the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 John E. Vargas-Muñoz , Devis Tuia , Alexandre X. Falcão

Incremental open-vocabulary 3D instance-semantic mapping is essential for autonomous agents operating in complex everyday environments. However, it remains challenging due to the need for robust instance segmentation, real-time processing,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Zilong Deng , Federico Tombari , Marc Pollefeys , Johanna Wald , Daniel Barath

Contemporary spatial services such as online maps predominantly rely on user queries for location searches. However, the user experience is limited when performing complex tasks, such as searching for a group of locations simultaneously. In…

Artificial Intelligence · Computer Science 2025-08-15 Ivan Khai Ze Lim , Ningyi Liao , Yiming Yang , Gerald Wei Yong Yip , Siqiang Luo

OpenStreetMap (OSM) is currently the richest publicly available information source on geographic entities (e.g., buildings and roads) worldwide. However, using OSM entities in machine learning models and other applications is challenging…

Machine Learning · Computer Science 2021-08-31 Nicolas Tempelmeier , Simon Gottschalk , Elena Demidova

Sign spotting, the task of identifying and localizing individual signs within continuous sign language video, plays a pivotal role in scaling dataset annotations and addressing the severe data scarcity issue in sign language translation.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 JianHe Low , Ozge Mercanoglu Sincan , Richard Bowden

Humans have a natural ability to perform semantic associations with the surrounding objects in the environment. This allows them to create a mental map of the environment, allowing them to navigate on-demand when given linguistic…

Object navigation (ObjectNav) requires an agent to navigate through unseen environments to find queried objects. Many previous methods attempted to solve this task by relying on supervised or reinforcement learning, where they are trained…

Computation and Language · Computer Science 2024-03-26 Yuxuan Kuang , Hai Lin , Meng Jiang

Recent works in the text recognition area have pushed forward the recognition results to the new horizons. But for a long time a lack of large human-labeled natural text recognition datasets has been forcing researchers to use synthetic…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Vladimir Loginov

This article presents a novel approach to identifying and classifying intersections for semantic and topological mapping. More specifically, the proposed novel approach has the merit of generating a semantically meaningful map containing…

Robotics · Computer Science 2023-05-12 Scott Fredriksson , Akshit Saradagi , George Nikolakopoulos

Spreadsheets are a ubiquitous software tool, used for a wide variety of tasks such as financial modelling, statistical analysis and inventory management. Extracting meaningful information from such data can be a difficult task, especially…

Software Engineering · Computer Science 2009-08-11 Derek Flood , Kevin Mc Daid , Fergal Mc Caffery

Enticing users into exploring Open Data remains an important challenge for the whole Open Data paradigm. Standard stock interfaces often used by Open Data portals are anything but inspiring even for tech-savvy users, let alone those without…

Information Retrieval · Computer Science 2017-05-03 Sebastian Neumaier , Vadim Savenkov , Svitlana Vakulenko

In satellite applications, user queries often take the form of open-ended natural language, extending beyond a fixed set of predefined categories. This open-vocabulary nature poses significant challenges for retrieving relevant image tiles,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Md Adnan Arefeen , Biplob Debnath , Ravi K. Rajendran , Murugan Sankaradas , Srimat T. Chakradhar

This paper introduces an open-source interface for American Sign Language fingerspell recognition and semantic pose retrieval, aimed to serve as a stepping stone towards more advanced sign language translation systems. Utilizing a…

Computation and Language · Computer Science 2024-08-20 Kevin Jose Thomas

Indoor built environments like homes and offices often present complex and cluttered layouts that pose significant challenges for individuals who are blind or visually impaired, especially when performing tasks that involve locating and…

Robotics · Computer Science 2025-09-03 Yifan Xu , Qianwei Wang , Vineet Kamat , Carol Menassa

Sentence simplification aims to make complex text more accessible by reducing linguistic complexity while preserving the original meaning. However, progress in this area remains limited for mid-resource and low-resource languages due to the…

Accurate localization and 3D maps are increasingly needed for various artificial intelligence based IoT applications such as augmented reality, intelligent transportation, crowd monitoring, robotics, etc. This article proposes a novel…

Robotics · Computer Science 2021-03-23 Max Jwo Lem Lee , Li-Ta Hsu

Maps are essential to mobile robotics tasks like localization and planning. We propose the open street map (osm) XML based Area Graph file format to store hierarchical, topometric semantic multi-floor maps of indoor and outdoor…

Robotics · Computer Science 2023-09-12 Delin Feng , Chengqian Li , Yongqi Zhang , Chen Yu , Soeren Schwertfeger

One of the elements that have popularized and facilitated the use of geographical information on a variety of computational applications has been the use of Web maps; this has opened new research challenges on different subjects, from…

Computers and Society · Computer Science 2009-11-05 Rafael Ponce-Medellin , Gabriel Gonzalez-Serna , Rocio Vargas , Lirio Ruiz