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Understanding urban dynamics and promoting sustainable development requires comprehensive insights about buildings. While geospatial artificial intelligence has advanced the extraction of such details from Earth observational data, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Zhen Qian , Min Chen , Zhuo Sun , Fan Zhang , Qingsong Xu , Jinzhao Guo , Zhiwei Xie , Zhixin Zhang

Many historical map sheets are publicly available for studies that require long-term historical geographic data. The cartographic design of these maps includes a combination of map symbols and text labels. Automatically reading text labels…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Zekun Li , Runyu Guan , Qianmu Yu , Yao-Yi Chiang , Craig A. Knoblock

The heterogeneity of Point of Interest (POI) taxonomies is a persistent challenge for the integration of urban datasets and the development of location-based services. OpenStreetMap (OSM) adopts a flexible, community-driven tagging system,…

In this paper we attempt to address the problem of geometric multi-model fitting with resorting to a few weakly annotated (WA) data points, which has been sparsely studied so far. In weak annotating, most of the manual annotations are…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Chao Zhang , Xuequan Lu , Katsuya Hotta , Xi Yang

A key aspect of the precision of a mobile robots localization is the quality and aptness of the map it is using. A variety of mapping approaches are available that can be employed to create such maps with varying degrees of effort, hardware…

Robotics · Computer Science 2023-04-25 Justin Ziegenbein , Manuel Schrick , Marko Thiel , Johannes Hinckeldeyn , Jochen Kreutzfeldt

In this work, we investigate the use of OpenStreetMap data for semantic labeling of Earth Observation images. Deep neural networks have been used in the past for remote sensing data classification from various sensors, including…

Computer Vision and Pattern Recognition · Computer Science 2017-05-18 Nicolas Audebert , Bertrand Le Saux , Sébastien Lefèvre

This paper proposes a novel framework for fusing multi-temporal, multispectral satellite images and OpenStreetMap (OSM) data for the classification of local climate zones (LCZs). Feature stacking is the most commonly-used method of data…

Machine Learning · Computer Science 2019-10-23 Guichen Zhang , Pedram Ghamisi , Xiao Xiang Zhu

Existing open-set recognition (OSR) studies typically assume that each image contains only one class label, with the unknown test set (negative) having a disjoint label space from the known test set (positive), a scenario referred to as…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Xu Yin , Fei Pan , Guoyuan An , Yuchi Huo , Zixuan Xie , Sung-Eui Yoon

Timely and accurate land use mapping is a long-standing problem, which is critical for effective land and space planning and management. Due to complex and mixed use, it is challenging for accurate land use mapping from widely-used remote…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Qiaohua Zhou , Rui Cao

A trainable filter-based higher-order Markov Random Fields (MRFs) model - the so called Fields of Experts (FoE), has proved a highly effective image prior model for many classic image restoration problems. Generally, two options are…

Computer Vision and Pattern Recognition · Computer Science 2015-10-27 Yunjin Chen

Structured-output learning is a challenging problem; particularly so because of the difficulty in obtaining large datasets of fully labelled instances for training. In this paper we try to overcome this difficulty by presenting a…

Computer Vision and Pattern Recognition · Computer Science 2014-06-24 Roman Shapovalov , Dmitry Vetrov , Anton Osokin , Pushmeet Kohli

Accurate pose estimation is a fundamental ability that all mobile robots must posses in order to traverse robustly in a given environment. Much like a human, this ability is dependent on the robot's understanding of a given scene. For…

Robotics · Computer Science 2022-02-22 Stephen Ninan , Sivakumar Rathinam

Automatic urban land cover classification is a fundamental problem in remote sensing, e.g. for environmental monitoring. The problem is highly challenging, as classes generally have high inter-class and low intra-class variance. Techniques…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Michael Kampffmeyer , Arnt-Børre Salberg , Robert Jenssen

In developing countries, building codes often are outdated or not enforced. As a result, a large portion of the housing stock is substandard and vulnerable to natural hazards and climate related events. Assessing housing quality is key to…

Machine Learning · Computer Science 2022-06-01 Chaofeng Wang , Sarah Elizabeth Antos , Jessica Grayson Gosling Goldsmith , Luis Miguel Triveno

Mapping new and old buildings are of great significance for understanding socio-economic development in rural areas. In recent years, deep neural networks have achieved remarkable building segmentation results in high-resolution remote…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Ying Li , Weipan Xu , Haohui Chen , Junhao Jiang , Xun Li

Different methods for simulating the effects of spatial resolution on magnetic field maps are compared, including those commonly used for inter-instrument comparisons. The investigation first uses synthetic data, and the results are…

Solar and Stellar Astrophysics · Physics 2011-06-27 KD Leka , G. Barnes

We present a novel approach called Optimized Directed Roadmap Graph (ODRM). It is a method to build a directed roadmap graph that allows for collision avoidance in multi-robot navigation. This is a highly relevant problem, for example for…

Robotics · Computer Science 2025-04-25 Christian Henkel , Marc Toussaint

Geo-localizing static objects from street images is challenging but also very important for road asset mapping and autonomous driving. In this paper we present a two-stage framework that detects and geolocalizes traffic signs from low frame…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Daniel Wilson , Thayer Alshaabi , Colin Van Oort , Xiaohan Zhang , Jonathan Nelson , Safwan Wshah

Simultaneous Localization and Mapping (SLAM) technology enables the construction of environmental maps and localization, serving as a key technique for indoor autonomous navigation of mobile robots. Traditional SLAM methods typically…

Robotics · Computer Science 2024-07-17 Jiantao Feng , Xinde Li , HyunCheol Park , Juan Liu , Zhentong Zhang

Visual navigation localizes a query place image against a reference database of place images, also known as a `visual map'. Localization accuracy requirements for specific areas of the visual map, `scene classes', vary according to the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 William H. B. Smith , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan