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Sentinel-2 multi-spectral images collected over periods of several months were used to estimate vegetation height for Gabon and Switzerland. A deep convolutional neural network (CNN) was trained to extract suitable spectral and textural…

图像与视频处理 · 电气工程与系统科学 2019-08-15 Nico Lang , Konrad Schindler , Jan Dirk Wegner

Accurately estimating forest biomass is crucial for global carbon cycle modelling and climate change mitigation. Tree height, a key factor in biomass calculations, can be measured using Synthetic Aperture Radar (SAR) technology. This study…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Grace Colverd , Jumpei Takami , Laura Schade , Karol Bot , Joseph A. Gallego-Mejia

This paper proposes a multi-spectral random forest classifier with suitable feature selection and masking for tree cover estimation in urban areas. The key feature of the proposed classifier is filtering out the built-up region using…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Usman Nazir , Momin Uppal , Muhammad Tahir , Zubair Khalid

Building height estimation is important in many applications such as 3D city reconstruction, urban planning, and navigation. Recently, a new building height estimation method using street scene images and 2D maps was proposed. This method…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Yunxiang Zhao , Jianzhong Qi , Rui Zhang

A complete overview of the surrounding vehicle environment is important for driver assistance systems and highly autonomous driving. Fusing results of multiple sensor types like camera, radar and lidar is crucial for increasing the…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Markus Horn , Ole Schumann , Markus Hahn , Jürgen Dickmann , Klaus Dietmayer

High resolution remote sensing imagery is used in broad range of tasks, including detection and classification of objects. High-resolution imagery is however expensive, while lower resolution imagery is often freely available and can be…

图像与视频处理 · 电气工程与系统科学 2021-11-08 Muhammed Razzak , Gonzalo Mateo-Garcia , Luis Gómez-Chova , Yarin Gal , Freddie Kalaitzis

Geospatial datasets derived from remote sensing data by means of machine learning methods are often based on probabilistic outputs of abstract nature, which are difficult to translate into interpretable measures. For example, the Global…

物理与社会 · 物理学 2023-09-01 Johannes H. Uhl , Stefan Leyk

Identifying the locations and footprints of buildings is vital for many practical and scientific purposes. Such information can be particularly useful in developing regions where alternative data sources may be scarce. In this work, we…

The worldwide variation in vegetation height is fundamental to the global carbon cycle and central to the functioning of ecosystems and their biodiversity. Geospatially explicit and, ideally, highly resolved information is required to…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Nico Lang , Walter Jetz , Konrad Schindler , Jan Dirk Wegner

Object retrieval and reconstruction from very high resolution (VHR) synthetic aperture radar (SAR) images are of great importance for urban SAR applications, yet highly challenging owing to the complexity of SAR data. This paper addresses…

图像与视频处理 · 电气工程与系统科学 2021-09-24 Yao Sun , Yuansheng Hua , Lichao Mou , Xiao Xiang Zhu

Spatially consistent and up-to-date maps of human settlements are crucial for addressing policies related to urbanization and sustainability, especially in the era of an increasingly urbanized world.The availability of open and free…

图像与视频处理 · 电气工程与系统科学 2020-10-30 Christina Corbane , Vasileios Syrris , Filip Sabo , Panagiotis Politis , Michele Melchiorri , Martino Pesaresi , Pierre Soille , Thomas Kemper

The development of remote sensing and deep learning techniques has enabled building semantic segmentation with high accuracy and efficiency. Despite their success in different tasks, the discussions on the impact of spatial resolution on…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Zhiling Guo , Xiaodan Shi , Haoran Zhang , Dou Huang , Xiaoya Song , Jinyue Yan , Ryosuke Shibasaki

Reliable building height estimation is essential for various urban applications. Spaceborne SAR tomography (TomoSAR) provides weather-independent, side-looking observations that capture facade-level structure, offering a promising…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Zhaiyu Chen , Yuanyuan Wang , Yilei Shi , Xiao Xiang Zhu

This paper provides a first milestone in measuring the floorspace of buildings (that is, building footprint and height) for 40 major Chinese cities. The intent is to maximize city coverage and, eventually provide longitudinal data. Doing so…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Peter Egger , Susie Xi Rao , Sebastiano Papini

This paper addresses the highly challenging problem of automatically detecting man-made structures especially buildings in very high resolution (VHR) synthetic aperture radar (SAR) images. In this context, the paper has two major…

图像与视频处理 · 电气工程与系统科学 2019-03-27 Muhammad Shahzad , Michael Maurer , Friedrich Fraundorfer , Yuanyuan Wang , Xiao Xiang Zhu

We present TEMPO, a global, temporally resolved dataset of building density and height derived from high-resolution satellite imagery using deep learning models. We pair building footprint and height data from existing datasets with…

In the last several years, remote sensing technology has opened up the possibility of performing large scale building detection from satellite imagery. Our work is some of the first to create population density maps from building detection…

计算机视觉与模式识别 · 计算机科学 2017-07-28 Amy Zhang , Xianming Liu , Andreas Gros , Tobias Tiecke

The present paper proposes a super-resolution (SR) model based on a convolutional neural network and applies it to the near-surface temperature in urban areas. The SR model incorporates a skip connection, a channel attention mechanism, and…

大气与海洋物理 · 物理学 2021-12-07 Yuki Yasuda , Ryo Onishi , Yuichi Hirokawa , Dmitry Kolomenskiy , Daisuke Sugiyama

The level of landscape heterogeneity may affect the performance of remote sensing based land use / land cover classification. However, the relationship between mapping accuracy of built-up surfaces and morphological characteristics of…

物理与社会 · 物理学 2022-11-21 Johannes H. Uhl , Stefan Leyk

Information on urban tree canopies is fundamental to mitigating climate change [1] as well as improving quality of life [2]. Urban tree planting initiatives face a lack of up-to-date data about the horizontal and vertical dimensions of the…

图像与视频处理 · 电气工程与系统科学 2022-12-13 John Francis , Stephen Law