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VERTICAL ACCURACY COMPARISON OF DIGITAL ELEVATION MODEL FROM LIDAR AND MULTITEMPORAL SATELLITE IMAGERY
Vertical Accuracy LiDAR DEM Multitemporal Stereo Satellite Imagery DEM
2017/7/13
Digital elevation model serves to illustrate the appearance of the earth's surface. DEM can be produced from a wide variety of data sources including from radar data, LiDAR data, and stereo satellite ...
EXPLOITATION OF DIGITAL SURFACE MODELS GENERATED FROM WORLDVIEW-2 DATA FOR SAR SIMULATION TECHNIQUES
Synthetic Aperture Radar Digital Surface Models Simulation Urban areas
2017/7/12
GeoRaySAR, an automated SAR simulator developed at DLR, identifies buildings in high resolution SAR data by utilizing geometric knowledge extracted from digital surface models (DSMs). Hitherto, the si...
FEATURE ORIENTATION AND POSITIONAL ACCURACY ASSESSMENT OF DIGITAL ORTHOPHOTO AND LINE MAP FOR LARGE SCALE MAPPING: THE CASE STUDY ON BAHIR DAR TOWN, ETHIOPIA
Orthophoto Line map GPS data Positional Orientation Accuracy
2017/7/12
This study used in-situ GPS data to validate the accuracy of horizontal coordinates and orientation of linear features of orthophoto and line map for Bahir Dar city. GPS data is processed using GAMIT/...
VERTICAL ACCURACY ASSESSMENT OF ZY-3 DIGITAL SURFACE MODEL USING ICESAT/GLAS LASER ALTIMETER DATA
Accuracy assessment ZY-3 stereo images DSM ICESat/GLAS
2017/7/12
The Ziyuan-3 (ZY-3) satellite, as the first civilian high resolution surveying and mapping satellite in China, has a very important role in national 1 : 50,000 stereo mapping project. High...
INTEGRATED DIGITAL PLATFORM FOR THE VALORIZATION OF A CULTURAL LANDSCAPE
Rupestral cave GIS airborne survey photogrammetry cultural heritage natural heritage cultural landscape
2017/6/20
This paper presents a newly started demonstrative project regarding the implementation and validation of an interdisciplinary research model for the Aluniș-Bozioru (Romania) cultural landscape, w...
FROM DAGUERREOTYPES TO DIGITAL AUTOMATIC PHOTOGRAMMETRY. APPLICATIONS AND LIMITS FOR THE BUILT HERITAGE PROJECT
Photogrammetry photography conservation restoration
2017/6/20
This paper will describe the evolutionary stages that shaped and built, over the time, a robust and solid relationship between ‘indirect survey methods’ and knowledge of the ‘architectural matter’, ai...
AN INTEGRATED APPROACH BASED ON TRADITIONAL ARCHAEOLOGICAL SURVEYS, DIGITAL RECORDING TECHNIQUES AND HISTORICAL DOCUMENTATION FOR THE ASSESSMENT OF THREATS RELATED TO THE CLIMATE-SENSITIVE TERRITORIAL CONTEXT
Built Heritage Risk and Resilience Documentation Archaeological Sites Terrestrial Laser Scanning Photogrammetry
2017/6/20
his essay describes an integrated approach – field survey, historic research, climate data, and topography – for the analysis of a complex stratigraphical archaeological site, highlighting its peculia...
HARNESSING DIGITAL WORKFLOWS FOR CONSERVING HISTORIC PLACES
Digital Workflows for heritage conservation IT documentation risk preparedness Bagan Egypt Bahrain Nepal built heritage
2017/6/20
Recording the physical characteristics of historic structures and landscapes is a cornerstone of preventive maintenance, monitoring and conservation. The information produced by such work assists the ...
A NEW DIGITAL IMAGE CORRELATION SOFTWARE FOR DISPLACEMENTS FIELD MEASUREMENT IN STRUCTURAL APPLICATIONS
Digital Image Correlation (DIC) Free and Open Souce Software Close range photogrammetry Structural Applications
2017/8/10
Recently, there has been a growing interest in studying non-contact techniques for strain and displacement measurement. Within photogrammetry, Digital Image Correlation (DIC) has received particular a...
GROUND AND AERIAL DIGITAL DOCUMENTATION OF CULTURAL HERITAGE: PROVIDING TOOLS FOR 3D EXPLOITATION OF ARCHAEOLOGICAL DATA
Cultural Heritage 3D Point-clouds Laser scanning Digital Photogrammetry Aerial Remote Sensing On-Line Tools
2017/4/5
Archaeology is by its nature strictly connected with the physical landscape and as such it explores the inter-relations of individuals with places in which they leave and the nature that surrounds the...
VEGETATION COVER MAPPING BASED ON REMOTE SENSING AND DIGITAL ELEVATION MODEL DATA
Geographic Information System (GIS) Remote Sensing (RS) Digital Elevation Model (DEM) Vegetation Mapping
2016/11/30
An algorithm of forest cover mapping based on combined GIS-based analysis of multi-band satellite imagery, digital elevation model, and ground truth data was developed. Using the classification princi...
COMPARISON OF DIGITAL SURFACE MODELS FOR SNOW DEPTH MAPPING WITH UAV AND AERIAL CAMERAS
snow height dense point cloud digital surface model aerial camera
2016/11/30
Photogrammetric workflows for aerial images have improved over the last years in a typically black-box fashion. Most parameters for building dense point cloud are either excessive or not explained and...
SPATIAL RESOLUTION EFFECTS OF DIGITAL TERRAIN MODELS ON LANDSLIDE SUSCEPTIBILITY ANALYSIS
Landslide Susceptibility analysis Certainty factor Artificial neural networks Remote sensing
2016/11/30
The purposes of this study are to identify the maximum number of correlated factors for landslide susceptibility mapping and to evaluate landslide susceptibility at Sihjhong river catchment in the sou...
MERGING DIGITAL SURFACE MODELS IMPLEMENTING BAYESIAN APPROACHES
Bayesian approaches Likelihood local entropy Merging DSMs WorldView-1 Pleiades
2016/11/24
In this research different DSMs from different sources have been merged. The merging is based on a probabilistic model using a Bayesian Approach. The implemented data have been sourced from very high ...
AUTOMATIC GENERATION OF BUILDING MAPPING USING DIGITAL,VERTICAL AND AERIAL HIGH RESOLUTION PHOTOGRAPHS AND LIDAR POINT CLOUDS
Cartography Automatic Extraction Photogrammetry Aerial Photographs Image Segmentation
2016/11/23
The objective of this research is automatic generation of buildings in the interest areas. This research was developed by using high resolution vertical aerial photographs and the LIDAR point cloud th...