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Review and critical analysis on digital elevation models

Subbu Esakkipandian Lakshmi, Kiran Yarrakula
2019 Geofizika  
Nowadays, digital elevation model (DEM) acts as an inevitable component in the field of remote sensing and GIS.  ...  The present article represents the overall review of DEMs, its generation, development using various techniques derived from topographic maps and high-resolution satellite images over a decade to present  ...  DEM act a synonym of the digital surface model (DSM), digital terrain model (DTM) and digital height model (DHM).  ... 
doi:10.15233/gfz.2018.35.7 fatcat:x4r2xk6nzncq3jkeiyu3bu5fq4

Comparison of Laser and Stereo Optical, SAR and InSAR Point Clouds from Air- and Space-Borne Sources in the Retrieval of Forest Inventory Attributes

Xiaowei Yu, Juha Hyyppä, Mika Karjalainen, Kimmo Nurminen, Kirsi Karila, Mikko Vastaranta, Ville Kankare, Harri Kaartinen, Markus Holopainen, Eija Honkavaara, Antero Kukko, Anttoni Jaakkola (+4 others)
2015 Remote Sensing  
However, photogrammetric, radargrammetric and interferometric techniques can be used to produce 3D point clouds from space-and air-borne stereo images.  ...  However, the assumption of using other than ALS data is that there exist a high quality digital terrain model, in our case it was derived from ALS.  ...  forest variables at plot level from TanDEM-X data (XTI_VEGE0360)".  ... 
doi:10.3390/rs71215809 fatcat:hgpiobruenatvlwtj2shmq42ua

A systematic review and meta-analysis of Digital Elevation Model (DEM) fusion: pre-processing, methods and applications [article]

Chukwuma Okolie, Julian Smit
2022 arXiv   pre-print
However, the special case of 2.5D/3D Digital Elevation Model (DEM) fusion has not been addressed till date. DEM fusion is a key application of data fusion in remote sensing.  ...  It is often required to combine knowledge from multiple studies to inform a holistic perspective and guide further research.  ...  with some data arrangement and indexing tasks, CAD designs and graphics.  ... 
arXiv:2203.15026v1 fatcat:rpobo2oxyfhv7olwe2d653dklu

COMPARATIVE ACCURACY EVALUATION OF FINE-SCALE GLOBAL AND LOCAL DIGITAL SURFACE MODELS: THE TSHWANE CASE STUDY I

A. Breytenbach
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
VHR digital mapping camera stereo-pairs, tri-stereo imagery collected by a Pléiades satellite and data detected from the Tandem-X InSAR satellite configuration were fundamental in the construction of seamless  ...  The three DSMs were sampled against independent control points originating from validated airborne LiDAR data.  ...  ACKNOWLEDGEMENTS The author would like to thank the City of Tshwane and AAM Geomatics for permitting the CSIR to freely utilise the lidar data and metadata; the CD:NGI in Mowbray, Cape Town for the basic  ... 
doi:10.5194/isprs-annals-iv-2-w1-211-2016 fatcat:4g7dcvghsfbv5cibpwipeheqeu

Linking the Remote Sensing of Geodiversity and Traits Relevant to Biodiversity—Part II: Geomorphology, Terrain and Surfaces

Angela Lausch, Michael E. Schaepman, Andrew K. Skidmore, Sina C. Truckenbrodt, Jörg M. Hacker, Jussi Baade, Lutz Bannehr, Erik Borg, Jan Bumberger, Peter Dietrich, Cornelia Gläßer, Dagmar Haase (+23 others)
2020 Remote Sensing  
Furthermore, data products and RS technologies that could be used in the future for monitoring geomorphology are introduced.  ...  , air- and spaceborne RS technologies, geomorphic traits, and data science approaches as crucial components for a better understanding of the geomorphic impacts on complex ecosystems.  ...  (DEM)-GTOPO30, (b) an oblique, three-dimensional (3D) perspective of the DEM of the downstream area of Wadi El-Ambagi derived from a WorldView-2 stereo pair [75], (c) Digital Surface Model DSM and DEM  ... 
doi:10.3390/rs12223690 fatcat:tlzccauqivacbcskrygfonuxni

Exploring Digital Surface Models from Nine Different Sensors for Forest Monitoring and Change Detection

Jiaojiao Tian, Thomas Schneider, Christoph Straub, Florian Kugler, Peter Reinartz
2017 Remote Sensing  
DSMs from four different satellite stereo sensors (ALOS/PRISM, Cartosat-1, RapidEye and WorldView-2), one satellite InSAR sensor (TanDEM-X), two aerial stereo camera systems (HRSC and UltraCam) and two  ...  LiDAR, followed by TanDEM-X and Cartosat DSMs.  ...  C.S. was responsible for the aerial images and the inventory data. F.K. processed the TanDEM-X data and provided his knowledge about SAR.  ... 
doi:10.3390/rs9030287 fatcat:pqcgg2k4xba6jfsnhhs76tit3u

3D Evaluation of fine-scale normalised DSMs in urban settings

Andrè Breytenbach
2022 South African Journal of Geomatics  
, tri-stereo Pléiades imagery and Tandem-X InSAR data, respectively.  ...  Height data derived from digital elevation models (DEMs) is often used to achieve this.  ...  A DSM may be further converted to a digital terrain model (DTM) -a digital representation of variables relating to the Earth's topographic surface (Beumier and Idrissa, 2016) .  ... 
doi:10.4314/sajg.v9i2.26 fatcat:owtqqbqhz5h6bo66sjdu7eyfjm

Monitoring Beach Topography and Nearshore Bathymetry Using Spaceborne Remote Sensing: A Review

Edward Salameh, Frédéric Frappart, Rafael Almar, Paulo Baptista, Georg Heygster, Bertrand Lubac, Daniel Raucoules, Luis Pedro Almeida, Erwin W. J. Bergsma, Sylvain Capo, Marcello De Michele, Deborah Idier (+6 others)
2019 Remote Sensing  
Traditional methods such as ground, ship-borne, and airborne surveys suffer from limited spatial coverage and temporal sampling due to logistical constraints and high costs which limit their ability to  ...  Reliable topography and bathymetry information are fundamental parameters for modelling the morpho-hydrodynamics of coastal areas, for flood forecasting, and for coastal management.  ...  Figure 5 . 5 TanDEM-X (TDX) interferometric synthetic aperture radar (InSAR) digital elevation model (DEM) for the Gomso Bay test site.  ... 
doi:10.3390/rs11192212 fatcat:c2uhgi4mkzdefbbhj27wuckb7q

Remote sensing for the Spanish forests in the 21st century: a review of advances, needs and opportunities

Cristina Gómez, Pablo Alejandro, Txomin Hermosilla, Fernando Montes, Cristina Pascual, Luis Angel Ruiz, Flor Álvarez-Taboada, Mihai Tanase, Ruben Valbuena
2019 Forest Systems  
Unmanned Aerial Vehicles (UAVs) carrying visible and infrared sensors are gaining ground in acquisition of data locally and at small scale, particularly for health assessments.  ...  Currently, wall-to-wall optical and LiDAR data are extensively used for a wide range of applications—many times in combination—whilst radar or hyperspectral data are rarely used in the analysis of Spanish  ...  Acknowledgments We thank the reviewers and editor for their thorough work and contributions to the final manuscript version.  ... 
doi:10.5424/fs/2019281-14221 fatcat:fzxqm3g2aza6tj45lrzvk4flza

Knowledge Extracted from Copernicus Satellite Data

Dumitru Octavian, Schwarz Gottfried, Eltoft Torbjørn, Kræmer Thomas, Wagner Penelope, Hughes Nick, Arthus David, Fleming Andrew, Koubarakis Manolis, Datcu Mihai
2019 Zenodo  
For doing this, we propose to select overlapping target areas from Synthetic Aperture Radar and multispectral images acquired with rapid succession.  ...  ExtremeEarth is a European H2020 project; it aims at developing analytics techniques and technologies that combine Copernicus satellite data with information and knowledge extraction, and exploiting them  ...  The next task is connected to find more applications and reduce the time and all machine and human sources for final model creation and visualization.  ... 
doi:10.5281/zenodo.3941573 fatcat:zzifwgljifck5bpjnboetsftfu

BIONATURE 2017 The International Symposium on Remote Sensing for Climate and Earth Monitoring Committee BIONATURE Advisory Committee ENVIROSENS Advisory Committee

Vladimir Strezov, Suhkneung Pyo, Vladimir Strezov, Silvia Assini, Ana Jesús, López Menéndez, Universidad De Oviedo, Spain José, Augusto Medrano Hernandez, Vladimir Strezov, Martin Kappas, Shuanggen Jin (+7 others)
2017 BIONATURE 2017 Foreword The Eighth International Conference on Bioenvironment, Biodiversity and Renewable Energies   unpublished
The goal is the use of ecological economic stimuli in tandem with social and governmental actions preventing deforestation, pollution, and global warming.  ...  Recent energy legislation mandates further growth of both corn-based and advanced biofuels from other sources. Growing biofuel demand has implications for U.S. and world agriculture.  ...  The authors wish to thank Effigis GeoSolutions (Montreal, Canada) for providing access to the WorldView 3 stereo-pair used in this study, and Simactive Inc.  ... 
fatcat:od3qoaa3jjhajlhkmccx737ag4

Earth Observation Based Monitoring of Forests in Germany: A Review

Stefanie Holzwarth, Frank Thonfeld, Sahra Abdullahi, Sarah Asam, Emmanuel Da Ponte Da Ponte Canova, Ursula Gessner, Juliane Huth, Tanja Kraus, Benjamin Leutner, Claudia Kuenzer
2020 Remote Sensing  
Germany's forests fulfil a variety of functions for nature and society, and also play an important role in the context of climate levelling.  ...  Quantitative data is one means for sound decision-making to ensure the monitoring of the forest and to improve the monitoring of forest damage.  ...  Acknowledgements: The authors are grateful to three anonymous reviewers whose criticism and suggestions helped improve the final version of the paper.  ... 
doi:10.3390/rs12213570 fatcat:4sgwtojcpjce7mtmf7smcboer4

An overview of MATISSE-v2.0

Luc Labarre, Karine Caillault, Sandrine Fauqueux, Claire Malherbe, Antoine Roblin, Bernard Rosier, Pierre Simoneau, Karin Stein, John D. Gonglewski
2010 Optics in Atmospheric Propagation and Adaptive Systems XIII  
The symposium, like our other conferences and activities, would not be possible without the dedicated contribution of our participants and members.  ...  SPIE would like to express its deepest appreciation to the symposium chairs, conference chairs, Programme committees, and session chairs who have so generously given of their time and advice to make this  ...  for providing the Radarsat-2, TerraSAR-X and weather data respectively.  ... 
doi:10.1117/12.868183 fatcat:5anlqspzzzcftfufaxvlr45zve

Information Extraction and Modeling from Remote Sensing Images: Application to the Enhancement of Digital Elevation Models

Cyrille Maire
2009
The potential of the proposed techniques is demonstrated with an application to enhance and regularize digital elevation models based on information collected from RS images.  ...  The modeling of increasing level of information is used to extract, represent and link image features to semantic content.  ...  With the upcoming TanDEM-X mission, a new level is expected to deliver a homogeneous sub-decametric digital elevation model of the Earth. Figure 1 . 1 : 11 Metric EO Images (size 1536×1536).  ... 
doi:10.5445/ir/1000017517 fatcat:5hgj7jn4lfhy5clhz7oviuj4em

Operational mapping of the flood extent and depth from SAR images

Abdelhakim Benoudjit
2020
by the inversion of an urban backscattering model.  ...  The major advantage space-borne acquisitions have specifically over gauging stations is the global-availability and the spatial-continuity of their data.  ...  I am notably very appreciative to her for the constructive feedback and valuable guidance, which has helped me to develop my research skills and to carry out this PhD.  ... 
doi:10.15126/thesis.00853835 fatcat:5miew5syqbdcnegyasvzlv6ydi
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