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1,564 Results Found

  • Article
  • Open Access
14 Citations
7,381 Views
14 Pages

15 December 2016

Land cover classification using very high spatial resolution (VHSR) imaging plays a very important role in remote sensing applications. However, image noise usually reduces the classification accuracy of VHSR images. Image spatial filters have been r...

  • Article
  • Open Access
108 Citations
7,862 Views
19 Pages

15 May 2019

This paper studies the use of the Fully Convolutional Networks (FCN) model in the extraction of water bodies from Very High spatial Resolution (VHR) optical images in the case of limited training samples. Two different seasonal GaoFen-2 images with a...

  • Article
  • Open Access
43 Citations
10,394 Views
17 Pages

17 March 2017

Aerial image classification has become popular and has attracted extensive research efforts in recent decades. The main challenge lies in its very high spatial resolution but relatively insufficient spectral information. To this end, spatial-spectral...

  • Letter
  • Open Access
21 Citations
7,022 Views
8 Pages

Remote Sensing of Coconut Trees in Tonga Using Very High Spatial Resolution WorldView-3 Data

  • Eric F. Vermote,
  • Sergii Skakun,
  • Inbal Becker-Reshef and
  • Keiko Saito

23 September 2020

This paper presents a simple and efficient image processing method for estimating the number of coconut trees in the Tonga region using very high spatial resolution data (30 cm) in the blue, green, red and near infrared spectral bands acquired by the...

  • Article
  • Open Access
31 Citations
7,612 Views
20 Pages

13 March 2015

The use of data from multiple sensors is often required to ensure data coverage and continuity, but differences in the spectral characteristics of sensors result in spectral index values being different. This study investigates spectral response func...

  • Article
  • Open Access
24 Citations
7,187 Views
21 Pages

Object-Based Mapping of Aboveground Biomass in Tropical Forests Using LiDAR and Very-High-Spatial-Resolution Satellite Data

  • Yasumasa Hirata,
  • Naoyuki Furuya,
  • Hideki Saito,
  • Chealy Pak,
  • Chivin Leng,
  • Heng Sokh,
  • Vuthy Ma,
  • Tsuyoshi Kajisa,
  • Tetsuji Ota and
  • Nobuya Mizoue

11 March 2018

Developing countries that intend to implement the United Nations REDD-plus (Reducing Emissions from Deforestation and forest Degradation, and the role of forest conservation, sustainable management of forests, and enhancement of forest carbon stocks)...

  • Article
  • Open Access
1 Citations
5,177 Views
21 Pages

Towards Operational Detection of Forest Ecosystem Changes in Protected Areas

  • Cristina Tarantino,
  • Francesco Lovergine,
  • Madhura Niphadkar,
  • Richard Lucas,
  • Stefano Nativi and
  • Palma Blonda

16 October 2016

This paper discusses the application of the Cross-Correlation Analysis (CCA) technique to multi-spatial resolution Earth Observation (EO) data for detecting and quantifying changes in forest ecosystems in two different protected areas, located in Sou...

  • Article
  • Open Access
43 Citations
6,548 Views
21 Pages

Crop Classification in a Heterogeneous Arable Landscape Using Uncalibrated UAV Data

  • Jonas E. Böhler,
  • Michael E. Schaepman and
  • Mathias Kneubühler

14 August 2018

Land cover maps are indispensable for decision making, monitoring, and management in agricultural areas, but they are often only available after harvesting. To obtain a timely crop map of a small-scale arable landscape in the Swiss Plateau, we acquir...

  • Article
  • Open Access
7 Citations
3,299 Views
21 Pages

The Importance of Very-High-Resolution Imagery to Map Invasive Plant Species: Evidence from Galapagos

  • Carolina Carrión-Klier,
  • Nicolas Moity,
  • Christian Sevilla,
  • Danny Rueda and
  • Heinke Jäger

12 November 2022

Invasive species are one of the main threats to biodiversity worldwide, and the Galapagos Islands are no exception. With the need to control many invasive plant species, accurate distribution maps of invasive plant species are crucial for cost-effect...

  • Article
  • Open Access
1,188 Views
22 Pages

Spatial Agreement of Burned Area Products Derived from Very High to Coarse-Resolution Satellite Imagery in African Biomes

  • Daniela Stroppiana,
  • Matteo Sali,
  • Pietro Alessandro Brivio,
  • Giovanna Sona,
  • Magí Franquesa,
  • M. Lucrecia Pettinari and
  • Emilio Chuvieco

26 March 2025

Satellite data provide the spatial distributions of burned areas worldwide; assessing their accuracy and comparing burned area estimates from different products is relevant to gain insights into their reliability and sources of error. We compared BA...

  • Article
  • Open Access
14 Citations
5,254 Views
18 Pages

Multiscale Very High Resolution Topographic Models in Alpine Ecology: Pros and Cons of Airborne LiDAR and Drone-Based Stereo-Photogrammetry Technologies

  • Annie S. Guillaume,
  • Kevin Leempoel,
  • Estelle Rochat,
  • Aude Rogivue,
  • Michel Kasser,
  • Felix Gugerli,
  • Christian Parisod and
  • Stéphane Joost

20 April 2021

The vulnerability of alpine environments to climate change presses an urgent need to accurately model and understand these ecosystems. Popularity in the use of digital elevation models (DEMs) to derive proxy environmental variables has increased over...

  • Article
  • Open Access
22 Citations
4,373 Views
16 Pages

Unsupervised Multistep Deformable Registration of Remote Sensing Imagery Based on Deep Learning

  • Maria Papadomanolaki,
  • Stergios Christodoulidis,
  • Konstantinos Karantzalos and
  • Maria Vakalopoulou

29 March 2021

Image registration is among the most popular and important problems of remote sensing. In this paper we propose a fully unsupervised, deep learning based multistep deformable registration scheme for aligning pairs of satellite imagery. The presented...

  • Article
  • Open Access
29 Citations
7,706 Views
28 Pages

Mapping Root-Zone Soil Moisture Using a Temperature–Vegetation Triangle Approach with an Unmanned Aerial System: Incorporating Surface Roughness from Structure from Motion

  • Sheng Wang,
  • Monica Garcia,
  • Andreas Ibrom,
  • Jakob Jakobsen,
  • Christian Josef Köppl,
  • Kaniska Mallick,
  • Majken C. Looms and
  • Peter Bauer-Gottwein

7 December 2018

High resolution root-zone soil moisture (SM) maps are important for understanding the spatial variability of water availability in agriculture, ecosystems research and water resources management. Unmanned Aerial Systems (UAS) can flexibly monitor lan...

  • Article
  • Open Access
12 Citations
4,862 Views
20 Pages

8 October 2018

Very high spatial resolution (VHR) satellite images possess several advantages in terms of describing the details of ground targets. Extracting built-up areas from VHR images has received increasing attention in practical applications, such as land u...

  • Article
  • Open Access
2 Citations
3,310 Views
32 Pages

Mapping of Clay Montmorillonite Abundance in Agricultural Fields Using Unmixing Methods at Centimeter Scale Hyperspectral Images

  • Etienne Ducasse,
  • Karine Adeline,
  • Audrey Hohmann,
  • Véronique Achard,
  • Anne Bourguignon,
  • Gilles Grandjean and
  • Xavier Briottet

30 August 2024

The composition of clay minerals in soils, and more particularly the presence of montmorillonite (as part of the smectite family), is a key factor in soil swell–shrinking as well as off–road vehicle mobility. Detecting these topsoil clay...

  • Technical Note
  • Open Access
25 Citations
15,759 Views
20 Pages

A Workflow for Automated Satellite Image Processing: from Raw VHSR Data to Object-Based Spectral Information for Smallholder Agriculture

  • Dimitris Stratoulias,
  • Valentyn Tolpekin,
  • Rolf A. De By,
  • Raul Zurita-Milla,
  • Vasilios Retsios,
  • Wietske Bijker,
  • Mohammad Alfi Hasan and
  • Eric Vermote

14 October 2017

Earth Observation has become a progressively important source of information for land use and land cover services over the past decades. At the same time, an increasing number of reconnaissance satellites have been set in orbit with ever increasing s...

  • Article
  • Open Access
3 Citations
2,769 Views
28 Pages

Infiltration Efficiency Index for GIS Analysis Using Very-High-Spatial-Resolution Data

  • Ante Šiljeg,
  • Lovre Panđa,
  • Rajko Marinović,
  • Nino Krvavica,
  • Fran Domazetović,
  • Mladen Jurišić and
  • Dorijan Radočaj

2 November 2023

Infiltration models and impervious surface models have gained significant attention in recent years as crucial tools in urban and environmental planning, to assess the extent of land-surface changes and their impacts on hydrological processes. These...

  • Article
  • Open Access
51 Citations
9,797 Views
19 Pages

Post-Processing Approach for Refining Raw Land Cover Change Detection of Very High-Resolution Remote Sensing Images

  • Zhiyong Lv,
  • Tongfei Liu,
  • Yiliang Wan,
  • Jón Atli Benediktsson and
  • Xiaokang Zhang

17 March 2018

In recent decades, land cover change detection (LCCD) using very high-spatial resolution (VHR) remote sensing images has been a major research topic. However, VHR remote sensing images usually lead to a large amount of noises in spectra, thereby redu...

  • Article
  • Open Access
20 Citations
4,424 Views
22 Pages

14 August 2019

In this article, a novel approach for land cover change detection (LCCD) using very high resolution (VHR) remote sensing images based on spatial–spectral feature fusion and multi-scale segmentation voting decision is proposed. Unlike other trad...

  • Article
  • Open Access
43 Citations
10,146 Views
29 Pages

30 April 2016

The logistical challenges of Antarctic field work and the increasing availability of very high resolution commercial imagery have driven an interest in more efficient search and classification of remotely sensed imagery. This exploratory study employ...

  • Article
  • Open Access
18 Citations
4,606 Views
19 Pages

Detection of built-up areas from Very High Spatial Resolution (VHSR) remote sensing images is a critical step in urbanization monitoring. This paper presents a method for extracting built-up areas from VHSR remote sensing imagery by using feature-lev...

  • Article
  • Open Access
2,105 Views
23 Pages

4 September 2024

Increasing tenure security is essential for promoting safe and inclusive urban development and achieving Sustainable Development Goals. However, assessment of tenure security relies on conventional census and survey statistics, which often fail to ca...

  • Article
  • Open Access
30 Citations
7,328 Views
19 Pages

7 August 2018

Land cover classification that uses very high resolution (VHR) remote sensing images is a topic of considerable interest. Although many classification methods have been developed, the accuracy and usability of classification systems can still be impr...

  • Article
  • Open Access
11 Citations
3,939 Views
17 Pages

Extraction of Information on Trees outside Forests Based on Very High Spatial Resolution Remote Sensing Images

  • Bin Sun,
  • Zhihai Gao,
  • Longcai Zhao,
  • Hongyan Wang,
  • Wentao Gao and
  • Yuanyuan Zhang

23 September 2019

The sparse Ulmus pumila L. woodland in the Otingdag Sandy Land of China is indispensable in maintaining the ecosystem stability of the desertified grasslands. Many studies of this region have focused on community structure and analysis of species com...

  • Article
  • Open Access
18 Citations
5,814 Views
19 Pages

Comparison of Hyperspectral Techniques for Urban Tree Diversity Classification

  • Charlotte Brabant,
  • Emilien Alvarez-Vanhard,
  • Achour Laribi,
  • Gwénaël Morin,
  • Kim Thanh Nguyen,
  • Alban Thomas and
  • Thomas Houet

28 May 2019

This research aims to assess the capabilities of Very High Spatial Resolution (VHSR) hyperspectral satellite data in order to discriminate urban tree diversity. Four dimension reduction methods and two classifiers are tested, using two learning metho...

  • Article
  • Open Access
6 Citations
3,993 Views
24 Pages

Development and Application of Earth Observation Based Machine Learning Methods for Characterizing Forest and Land Cover Change in Dilijan National Park of Armenia between 1991 and 2019

  • Nathalie Morin,
  • Antoine Masse,
  • Christophe Sannier,
  • Martin Siklar,
  • Norman Kiesslich,
  • Hovik Sayadyan,
  • Loïc Faucqueur and
  • Michaela Seewald

27 July 2021

Dilijan National Park is one of the most important national parks of Armenia, established in 2002 to protect its rich biodiversity of flora and fauna and to prevent illegal logging. The aim of this study is to provide first, a mapping of forest degra...

  • Article
  • Open Access
33 Citations
5,908 Views
19 Pages

Analysis of Very High Spatial Resolution Images for Automatic Shoreline Extraction and Satellite-Derived Bathymetry Mapping

  • Giovanni Randazzo,
  • Giovanni Barreca,
  • Maria Cascio,
  • Antonio Crupi,
  • Marco Fontana,
  • Francesco Gregorio,
  • Stefania Lanza and
  • Anselme Muzirafuti

The amount of Earth observation images available to the public has been the main source of information, helping governments and decision-makers tackling the current world’s most pressing global challenge. However, a number of highly skilled and...

  • Article
  • Open Access
20 Citations
4,236 Views
15 Pages

Mapping Soil Burn Severity at Very High Spatial Resolution from Unmanned Aerial Vehicles

  • David Beltrán-Marcos,
  • Susana Suárez-Seoane,
  • José Manuel Fernández-Guisuraga,
  • Víctor Fernández-García,
  • Rayo Pinto,
  • Paula García-Llamas and
  • Leonor Calvo

4 February 2021

The evaluation of the effect of burn severity on forest soils is essential to determine the impact of wildfires on a range of key ecological processes, such as nutrient cycling and vegetation recovery. The main objective of this study was to assess t...

  • Article
  • Open Access
41 Citations
15,871 Views
24 Pages

16 February 2011

Japanese Knotweed s.l. taxa are amongst the most aggressive vascular plant Invasive Alien Species (IAS) in the world. These taxa form dense, suppressive monocultures and are persistent, pervasive invaders throughout the more economically developed co...

  • Article
  • Open Access
25 Citations
5,242 Views
26 Pages

Topographic Analysis of Intertidal Polychaete Reefs (Sabellaria alveolata) at a Very High Spatial Resolution

  • Guillaume Brunier,
  • Simon Oiry,
  • Yves Gruet,
  • Stanislas F. Dubois and
  • Laurent Barillé

10 January 2022

In temperate coastal regions of Western Europe, the polychaete Sabellaria alveolata (Linné) builds large intertidal reefs of several hectares on soft-bottom substrates. These reefs are protected by the European Habitat Directive EEC/92/43 unde...

  • Article
  • Open Access
69 Citations
7,958 Views
15 Pages

Using Single- and Multi-Date UAV and Satellite Imagery to Accurately Monitor Invasive Knotweed Species

  • François-Marie Martin,
  • Jana Müllerová,
  • Laurent Borgniet,
  • Fanny Dommanget,
  • Vincent Breton and
  • André Evette

20 October 2018

Understanding the spatial dynamics of invasive alien plants is a growing concern for many scientists and land managers hoping to effectively tackle invasions or mitigate their impacts. Consequently, there is an urgent need for the development of effi...

  • Article
  • Open Access
19 Citations
4,215 Views
19 Pages

Toward Quantifying Oil Contamination in Vegetated Areas Using Very High Spatial and Spectral Resolution Imagery

  • Guillaume Lassalle,
  • Arnaud Elger,
  • Anthony Credoz,
  • Rémy Hédacq,
  • Georges Bertoni,
  • Dominique Dubucq and
  • Sophie Fabre

26 September 2019

Recent remote sensing studies have suggested exploiting vegetation optical properties for assessing oil contamination, especially total petroleum hydrocarbons (TPH) in vegetated areas. Methods based on the tracking of alterations in leaf biochemistry...

  • Article
  • Open Access
29 Citations
6,364 Views
22 Pages

An Object-Based Approach for Mapping Tundra Ice-Wedge Polygon Troughs from Very High Spatial Resolution Optical Satellite Imagery

  • Chandi Witharana,
  • Md Abul Ehsan Bhuiyan,
  • Anna K. Liljedahl,
  • Mikhail Kanevskiy,
  • Torre Jorgenson,
  • Benjamin M. Jones,
  • Ronald Daanen,
  • Howard E. Epstein,
  • Claire G. Griffin and
  • Kelcy Kent
  • + 1 author

4 February 2021

Very high spatial resolution commercial satellite imagery can inform observation, mapping, and documentation of micro-topographic transitions across large tundra regions. The bridging of fine-scale field studies with pan-Arctic system assessments has...

  • Article
  • Open Access
110 Citations
20,926 Views
31 Pages

18 September 2018

The microtopography associated with ice-wedge polygons governs many aspects of Arctic ecosystem, permafrost, and hydrologic dynamics from local to regional scales owing to the linkages between microtopography and the flow and storage of water, vegeta...

  • Article
  • Open Access
16 Citations
5,276 Views
20 Pages

Monitoring of Snow Cover Ablation Using Very High Spatial Resolution Remote Sensing Datasets

  • Remzi Eker,
  • Yves Bühler,
  • Sebastian Schlögl,
  • Andreas Stoffel and
  • Abdurrahim Aydın

22 March 2019

This study tested the potential of a short time series of very high spatial resolution (cm to dm) remote sensing datasets obtained from unmanned aerial system (UAS)-based photogrammetry and terrestrial laser scanning (TLS) to monitor snow cover ablat...

  • Article
  • Open Access
39 Citations
10,779 Views
17 Pages

Mapping the Mangrove Forest Canopy Using Spectral Unmixing of Very High Spatial Resolution Satellite Images

  • Florent Taureau,
  • Marc Robin,
  • Christophe Proisy,
  • François Fromard,
  • Daniel Imbert and
  • Françoise Debaine

12 February 2019

Despite the low tree diversity and scarcity of the understory vegetation, the high morphological plasticity of mangrove trees induces, at the stand level, a very large variability of forest structures that need to be mapped for assessing the function...

  • Article
  • Open Access
107 Citations
8,822 Views
15 Pages

3 November 2018

Fine-scale, accurate intra-urban functional zones (urban land use) are important for applications that rely on exploring urban dynamic and complexity. However, current methods of mapping functional zones in built-up areas with high spatial resolution...

  • Article
  • Open Access
44 Citations
5,177 Views
16 Pages

Land Cover Change Detection in Urban Lake Areas Using Multi-Temporary Very High Spatial Resolution Aerial Images

  • Wenyuan Zhang,
  • Guoxin Tan,
  • Songyin Zheng,
  • Chuanming Sun,
  • Xiaohan Kong and
  • Zhaobin Liu

23 January 2018

The availability of very high spatial resolution (VHR) remote sensing imagery provides unique opportunities to exploit meaningful change information in detail with object-oriented image analysis. This study investigated land cover (LC) changes in Sha...

  • Article
  • Open Access
26 Citations
7,386 Views
16 Pages

Remote Sensing of Wildland Fire-Induced Risk Assessment at the Community Level

  • M. Razu Ahmed,
  • Khan Rubayet Rahaman and
  • Quazi K. Hassan

15 May 2018

Wildland fires are some of the critical natural hazards that pose a significant threat to the communities located in the vicinity of forested/vegetated areas. In this paper, our overall objective was to study the structural damages due to the 2016 Ho...

  • Article
  • Open Access
17 Citations
7,417 Views
12 Pages

23 April 2021

Automation of informal settlements detection using satellite imagery remains a challenging task in urban remote sensing. This is due to the fact that informal settlements vary in shape, size and spatial arrangement from one region to the other in som...

  • Article
  • Open Access
29 Citations
8,162 Views
30 Pages

Leveraging Very-High Spatial Resolution Hyperspectral and Thermal UAV Imageries for Characterizing Diurnal Indicators of Grapevine Physiology

  • Matthew Maimaitiyiming,
  • Vasit Sagan,
  • Paheding Sidike,
  • Maitiniyazi Maimaitijiang,
  • Allison J. Miller and
  • Misha Kwasniewski

2 October 2020

Efficient and accurate methods to monitor crop physiological responses help growers better understand crop physiology and improve crop productivity. In recent years, developments in unmanned aerial vehicles (UAV) and sensor technology have enabled im...

  • Feature Paper
  • Article
  • Open Access
24 Citations
5,314 Views
19 Pages

11 May 2021

Quality tree species information gathering is the basis for making proper decisions in forest management. By applying new technologies and remote sensing methods, very high resolution (VHR) satellite imagery can give sufficient spatial detail to achi...

  • Article
  • Open Access
22 Citations
5,244 Views
17 Pages

Crowd-Driven and Automated Mapping of Field Boundaries in Highly Fragmented Agricultural Landscapes of Ethiopia with Very High Spatial Resolution Imagery

  • Michael Marshall,
  • Sophie Crommelinck,
  • Divyani Kohli,
  • Christoph Perger,
  • Michael Ying Yang,
  • Aniruddha Ghosh,
  • Steffen Fritz,
  • Kees de Bie and
  • Andy Nelson

5 September 2019

Mapping the extent and location of field boundaries is critical to food security analysis but remains problematic in the Global South where such information is needed the most. The difficulty is due primarily to fragmentation in the landscape, small...

  • Article
  • Open Access
77 Citations
11,675 Views
17 Pages

11 June 2012

Individual tree species identification is important for urban forest inventory and ecology management. Recent advances in remote sensing technologies facilitate more detailed estimation of individual urban tree characteristics. This study presents an...

  • Article
  • Open Access
55 Citations
9,483 Views
19 Pages

14 May 2013

Plot-based sampling with ground measurements or photography is typically used to establish and maintain National Forest Inventories (NFI). The re-measurement phase of the Canadian NFI is an opportunity to develop novel methods for the estimation of...

  • Article
  • Open Access
9 Citations
8,655 Views
16 Pages

A Deep Learning Approach for Meter-Scale Air Quality Estimation in Urban Environments Using Very High-Spatial-Resolution Satellite Imagery

  • Meytar Sorek-Hamer,
  • Michael Von Pohle,
  • Adwait Sahasrabhojanee,
  • Ata Akbari Asanjan,
  • Emily Deardorff,
  • Esra Suel,
  • Violet Lingenfelter,
  • Kamalika Das,
  • Nikunj C. Oza and
  • Majid Ezzati
  • + 1 author

27 April 2022

High-spatial-resolution air quality (AQ) mapping is important for identifying pollution sources to facilitate local action. Some of the most populated cities in the world are not equipped with the infrastructure required to monitor AQ levels on the g...

  • Article
  • Open Access
63 Citations
10,811 Views
18 Pages

30 November 2020

Spatially explicit information on tree species composition is important for both the forest management and conservation sectors. In combination with machine learning algorithms, very high-resolution satellite imagery may provide an effective solution...

  • Communication
  • Open Access
84 Citations
17,263 Views
18 Pages

Characterizing the Spatial and Temporal Availability of Very High Resolution Satellite Imagery in Google Earth and Microsoft Bing Maps as a Source of Reference Data

  • Myroslava Lesiv,
  • Linda See,
  • Juan Carlos Laso Bayas,
  • Tobias Sturn,
  • Dmitry Schepaschenko,
  • Mathias Karner,
  • Inian Moorthy,
  • Ian McCallum and
  • Steffen Fritz

11 October 2018

Very high resolution (VHR) satellite imagery from Google Earth and Microsoft Bing Maps is increasingly being used in a variety of applications from computer sciences to arts and humanities. In the field of remote sensing, one use of this imagery is t...

  • Article
  • Open Access
5 Citations
3,895 Views
22 Pages

15 December 2019

Automatic extraction of built-up areas from very high-resolution (VHR) satellite images has received increasing attention in recent years. However, due to the complexity of spectral and spatial characteristics of built-up areas, it is still a challen...

  • Article
  • Open Access
9 Citations
9,089 Views
23 Pages

Multiscale Diagnosis of Mangrove Status in Data-Poor Context Using Very High Spatial Resolution Satellite Images: A Case Study in Pichavaram Mangrove Forest, Tamil Nadu, India

  • Shuvankar Ghosh,
  • Christophe Proisy,
  • Gowrappan Muthusankar,
  • Christiane Hassenrück,
  • Véronique Helfer,
  • Raphaël Mathevet,
  • Julien Andrieu,
  • Natesan Balachandran and
  • Rajendran Narendran

11 May 2022

Highlighting spatiotemporal changes occurring within mangrove habitats at the finest possible scale could contribute fundamental knowledge and data for local sustainable management. This study presents the current situation of the Pichavaram mangrove...

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