搜索结果: 1-15 共查到“摄影测量与遥感技术 Digital elevation models”相关记录20条 . 查询时间(0.109 秒)
DETERMINING THE SUITABILITY OF DIFFERENT DIGITAL ELEVATION MODELS AND SATELLITE IMAGES FOR FANCY MAPS. AN EXAMPLE OF CYPRUS
Fancy map Image DEM Relief shading hillshading image merge color composite
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2016/11/8
The article describes the possibility of developing an overall map of the selected area on the basis of publicly available data. Such a map would take the form designed by the author with the colors t...
THE NEED OF NESTED GRIDS FOR AERIAL AND SATELLITE IMAGES AND DIGITAL ELEVATION MODELS
Orthoimages DEM Geographic Grid
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2016/7/8
Usual workflows for production, archiving, dissemination and use of Earth observation images (both aerial and from remote sensing satellites) pose big interoperability problems, as for example: non-al...
Comparison of Digital Elevation Models Generated from SPOT-5 HRS Stereo Data and CARTOSAT-1 Stereo Data
Cartosat-1 SPOT-5 rigorous sensor model RPC stereo DEM
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2016/1/25
SPOT-5 and Cartosat-1 are mapping satellites with high resolution and along-track stereo capability. This paper describes the work
carried out towards the qualitative and quantitative comparison of t...
Fusion of lidar and photogrammetric generated Digital Elevation Models
Multisource data Fusion Integration Quality Control Digital Elevation Model
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2016/1/25
The fusion of digital surfaces, their optimal combination into a new single dataset, is a crucial topic in the geomatic sciences. Nowadays,
sensors and processing techniques provide for the same site...
Refinement of Urban Digital Elevation Models from Very High Resolution Stereo Satellite Images
VHR satellite data stereo images digital surface models optimization dense stereo matching occlusion mask blunder elimination
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2016/1/25
Digital elevation models (DEM) of high resolution and high quality are required for many applications like urban modeling, readiness for
catastrophes or disaster assessment. A good source for the de...
A New Data Structure for Refined Digital Elevation Models
GIS Modeling Visualization Data Structure DEM/DTM
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2015/12/16
A new DEM called Hybrid Mesh DEM (HM-DEM) with a hybrid mesh is put forth to improve the DEM’s capacity of representation of different kinds of micro-terrains and complex landscapes. The conceptual mo...
PREDICTION OF WIND SPEEDS BASED ON DIGITAL ELEVATION MODELS USING BOOSTED REGRESSION TREES
Digital Elevation Model Wind Speed Non-Parametric Regression
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2016/1/15
In this paper a new approach is presented to predict maximum wind speeds using Gradient Boosted Regression Trees (GBRT). GBRT are a non-parametric regression technique used in various applications, su...
THE RATIONAL POLYNOMIAL COEFFICIENTS MODIFICATION USING DIGITAL ELEVATION MODELS
Rational Polynomial Coefficients Digital Elevation Models Ground Control Points DEM Matching
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2016/1/15
The high-resolution satellite imageries (HRSI) are as primary dataset for different applications such as DEM generation, 3D city mapping, change detection, monitoring, and deformation detection. The g...
An Accuracy Assessment of CARTOSAT-1 Stereo Image Data-Derived Digital Elevation Models: A Case Study of the Drum Mountains, Utah
Cartosat-1 DEM NED ASTER DOQQ Vertical Horizontal Accuracy
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2015/11/24
This study evaluates the accuracy of digital elevation models (DEMs) produced from Cartosat-1 data. The Cartosat-1 satellite, launched by the Indian Space Research Organization (ISRO) in May 2005, car...
Investigation of Elevation Bias of The SRTM C-And X-Band Digital Elevation Models
Remote Sensing Vegetation Retrieval Multifrequency DEM/DTM SAR Land Cover
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2015/11/20
The paper presents results of a comparative study of the vegetation-caused elevation bias of the space shuttle topographic mission data product, both C- and X-band (SRTM.C/X). The SRTM.C/X bands data ...
generation and validation of digital elevation models based on satellite images
Satellite Imagery SRTM DEM
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2015/9/1
Digital elevation models (DEMs) are available free of charge for most areas of the world. For example the C-band height model of the Shuttle Radar Topography Mission (SRTM) has with a standard deviati...
INVESTIGATION OF ACCURACY FOR DIGITAL ELEVATION MODELS GENERATED WITH DIFFERENT METHODS IN PHOTOGRAMMETRY
Digital Photogrammetry Analytical
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2015/6/1
This paper describes the methodology of a DEM generation from stereo aerial images and the results of experiments in terms of
accuracy of generated DEM. In this study, Images, which have 1/10000 and...
QUANTIFYING UNCERTAINTY OF DIGITAL ELEVATION MODELS DERIVED FROM TOPOGRAPHIC MAPS
QUANTIFYING UNCERTAINTY DIGITAL ELEVATION MODELS DERIVED TOPOGRAPHIC MAPS
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2015/3/16
QUANTIFYING UNCERTAINTY OF DIGITAL ELEVATION MODELS DERIVED FROM TOPOGRAPHIC MAPS.
TOWARDS A GLOBAL ELEVATION PRODUCT: COMBINATION OF MULTI-SOURCE DIGITAL ELEVATION MODELS
GLOBAL ELEVATION PRODUCT MULTI-SOURCE DIGITAL ELEVATION MODELS
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2015/3/16
TOWARDS A GLOBAL ELEVATION PRODUCT: COMBINATION OF MULTI-SOURCE DIGITAL ELEVATION MODELS.
CREATION OF HIGH RESOLUTION, PRECISE DIGITAL ELEVATION MODELS OF OCEAN CITY AND ASSATEAGUE ISLAND, MD
DEMgeneration outlier detection validation site
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2015/3/10
Researchers of NASA’s GSFC are currently developing a scanning airborne photon-counting laser altimeter. This paper summarizes the creation of high resolution, precise DEMs from repeat passes of airbo...