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Monitoring and managing Earth's forests in an informed manner is an important requirement for addressing challenges like biodiversity loss and climate change. While traditional in situ or aerial campaigns for forest assessments provide…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Alexander Becker , Stefania Russo , Stefano Puliti , Nico Lang , Konrad Schindler , Jan Dirk Wegner

In the rise of climate change, land cover mapping has become such an urgent need in environmental monitoring. The accuracy of land cover classification has gotten increasingly based on the improvement of remote sensing data. Land cover…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Ilham Adi Panuntun , Ying-Nong Chen , Ilham Jamaluddin , Thi Linh Chi Tran

Land use classification of low resolution spatial imagery is one of the most extensively researched fields in remote sensing. Despite significant advancements in satellite technology, high resolution imagery lacks global coverage and can be…

Machine Learning · Computer Science 2019-04-24 John Brandt

We introduce OpenEarthMap, a benchmark dataset, for global high-resolution land cover mapping. OpenEarthMap consists of 2.2 million segments of 5000 aerial and satellite images covering 97 regions from 44 countries across 6 continents, with…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Junshi Xia , Naoto Yokoya , Bruno Adriano , Clifford Broni-Bediako

One of the primary goals in spectrum occupancy mapping is to create a system that is robust to assumptions about the number of sensors, occupancy threshold (in dBm), sensor noise, number of emitters and the propagation environment. We show…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Abbas Termos , Bertrand Hochwald

Satellite imagery is widely used in many application sectors, including agriculture, navigation, and urban planning. Frequently, satellite imagery involves both large numbers of images as well as high pixel counts, making satellite datasets…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Joshua Abraham , Calden Wloka

We propose a neural network component, the regional aggregation layer, that makes it possible to train a pixel-level density estimator using only coarse-grained density aggregates, which reflect the number of objects in an image region. Our…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Nathan Jacobs , Adam Kraft , Muhammad Usman Rafique , Ranti Dev Sharma

This paper proposes a novel multi-temporal urban mapping approach using multi-modal satellite data from the Sentinel-1 Synthetic Aperture Radar (SAR) and Sentinel-2 MultiSpectral Instrument (MSI) missions. In particular, it focuses on the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Sebastian Hafner , Yifang Ban

On-road bicycle lanes improve safety for cyclists, and encourage participation in cycling for active transport and recreation. With many local authorities responsible for portions of the infrastructure, official maps and datasets of bicycle…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Tyler Saxton

Scattered trees outside of dense, closed-canopy forests are very important for carbon sequestration, supporting livelihoods, maintaining ecosystem integrity, and climate change adaptation and mitigation. In contrast to trees inside of…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 John Brandt , Fred Stolle

High-resolution satellite imagery available immediately after disaster events is crucial for response planning as it facilitates broad situational awareness of critical infrastructure status such as building damage, flooding, and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Danil Kuzin , Olga Isupova , Brooke D. Simmons , Steven Reece

In many developing nations, a lack of poverty data prevents critical humanitarian organizations from responding to large-scale crises. Currently, socioeconomic surveys are the only method implemented on a large scale for organizations and…

Machine Learning · Computer Science 2023-03-01 Om Shah , Krti Tallam

Over a billion people live in slums in settlements that are often located in ecologically sensitive areas and hence highly vulnerable. This is a problem in many parts of the world, but it is more prominent in low-income countries, where in…

Computers and Society · Computer Science 2020-11-26 Agatha C. H. de Mattos , Gavin McArdle , Michela Bertolotto

Location-aware applications play an increasingly critical role in everyday life. However, satellite-based localization (e.g., GPS) has limited accuracy and can be unusable in dense urban areas and indoors. We introduce an image-based global…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Linguang Zhang , Adam Finkelstein , Szymon Rusinkiewicz

Satellite imagery analytics have numerous human development and disaster response applications, particularly when time series methods are involved. For example, quantifying population statistics is fundamental to 67 of the 231 United…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Adam Van Etten , Daniel Hogan , Jesus Martinez-Manso , Jacob Shermeyer , Nicholas Weir , Ryan Lewis

Deep convolutional neural networks (CNNs) have been shown to predict poverty and development indicators from satellite images with surprising accuracy. This paper presents a first attempt at analyzing the CNNs responses in detail and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Hamid Sarmadi , Thorsteinn Rögnvaldsson , Nils Roger Carlsson , Mattias Ohlsson , Ibrahim Wahab , Ola Hall

Semantic 2D maps are commonly used by humans and machines for navigation purposes, whether it's walking or driving. However, these maps have limitations: they lack detail, often contain inaccuracies, and are difficult to create and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Paul-Edouard Sarlin , Eduard Trulls , Marc Pollefeys , Jan Hosang , Simon Lynen

Cell phone coverage and high-speed service gaps persist in rural areas in sub-Saharan Africa, impacting public access to mobile-based financial, educational, and humanitarian services. Improving maps of telecommunications infrastructure can…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Natasha Krell , Will Gleave , Daniel Nakada , Justin Downes , Amanda Willet , Matthew Baran

Simultaneous Localization and Mapping (SLAM) is one of the most essential techniques in many real-world robotic applications. The assumption of static environments is common in most SLAM algorithms, which however, is not the case for most…

Robotics · Computer Science 2022-05-17 Han Wang , Jing Ying Ko , Lihua Xie

We present a method for determining the unknown location of a sensor placed in a known 2D environment in the presence of unknown dynamic obstacles, using only few distance measurements. We present guarantees on the quality of the…

Robotics · Computer Science 2024-08-20 Michael M. Bilevich , Shahar Guini , Dan Halperin