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Digital Terrain Model

Digital Terrain Model Data Structures

Digital Terrain Model Data Structures

... This paper describes pertinent digital terrain model data structures, namely, grid/raster, quadtree, and triangular irregular network.. A basic concept of DIM data structure is [r] ...

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Accuracy of digital terrain model and its application in forestry

Accuracy of digital terrain model and its application in forestry

... Digital terrain model (DTM) is considered as an important geospatial data ...Republic, digital contour data sources are often used for constructing regular raster DTM; the initial process ...

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A new method for determination of most likely landslide initiation points and the evaluation of digital terrain model scale in terrain stability mapping

A new method for determination of most likely landslide initiation points and the evaluation of digital terrain model scale in terrain stability mapping

... the Digital Terrain Model from point survey data can influence the results of terrain stability ...quality digital terrain data, and provides more information about land cover ...

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ABSTRACT : Digital terrain model (DTM) represents a very important geospatial data type. In the Czech Republic, the

ABSTRACT : Digital terrain model (DTM) represents a very important geospatial data type. In the Czech Republic, the

... ABSTRACT: Digital terrain model (DTM) represents a very important geospatial data ...common digital contour data sources are the Primary Geographic Data Base (ZABAGED), the Digital ...

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Adaptive Slope Filtering of Airborne LiDAR Data in Urban Areas for Digital Terrain Model (DTM) Generation

Adaptive Slope Filtering of Airborne LiDAR Data in Urban Areas for Digital Terrain Model (DTM) Generation

... Abstract: A filtering algorithm is proposed that accurately extracts ground data from airborne light detection and ranging (LiDAR) measurements and generates an estimated digital terrain model (DTM). ...

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Effects of Structure from Motion Data Density, Interpolation Method and Grid Size on Micro Topography Digital Terrain Model Accuracy

Effects of Structure from Motion Data Density, Interpolation Method and Grid Size on Micro Topography Digital Terrain Model Accuracy

... a digital terrain model (DTM), and the resolution (grid size) of the derived DTM on the accuracy of estimated heights in small areas, where a very accurate high spatial resolution is ...

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THERMAL DIGITAL TERRAIN MODEL OF A COAL SPOIL TIP – A WAY OF IMPROVING MONITORING AND EARLY DIAGNOSTICS OF POTENTIAL SPONTANEOUS COMBUSTION AREAS

THERMAL DIGITAL TERRAIN MODEL OF A COAL SPOIL TIP – A WAY OF IMPROVING MONITORING AND EARLY DIAGNOSTICS OF POTENTIAL SPONTANEOUS COMBUSTION AREAS

... Methods used for creating a final product, a discreet thermal Digital Terrain Model proven fast and effective. What is more, if two discreet methods are compared, the results quality is simi- lar and ...

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Rendering process of digital terrain model on mobile devices

Rendering process of digital terrain model on mobile devices

... Digital Terrain Model has been used in many applications especially in Geographical Information ...based terrain on mobile devices is ...3D terrain is tedious due to the constraint in ...

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Use of the Wavelet Transform for Digital Terrain Model Edge Detection (Special Issue—Wavelet Analysis)

Use of the Wavelet Transform for Digital Terrain Model Edge Detection (Special Issue—Wavelet Analysis)

... and digital terrain models (DTM) obtained by Remote Sensing is an important research problem for mapping, especially in large scales (1:10,000 and larger), due to the need for greater detailing of the ...

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Accuracy assessment of digital terrain model datasets

Accuracy assessment of digital terrain model datasets

... DEM, ASTER GDEM V2 and two airborne LiDAR derived DTMs (at 5 and 1 m spatial resolution, 28.. respectively) were analysed in a comparative study in three geomorphologically co[r] ...

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Simulation of the Indonesian land gravity data using a digital terrain model data

Simulation of the Indonesian land gravity data using a digital terrain model data

... (residual terrain model), were assessed to estimate the influence of GTOPO30 error on the simulation process and to find out the most suitable method for the simu- lation gravity computation over the study ...

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Digital terrain analysis reveals new insights into the topographic context of Australian Aboriginal stone arrangements

Digital terrain analysis reveals new insights into the topographic context of Australian Aboriginal stone arrangements

... studies. Digital elevation data is useful for classifying land features, characterizing terrain morphology, and discriminating the geomor- phic context of archaeological ...resulting digital ...

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Digital Terrain Modeling Of The Buna River System And Of The Northwestern Flood Plain In Albania

Digital Terrain Modeling Of The Buna River System And Of The Northwestern Flood Plain In Albania

... damages, digital terrain modeling of the Buna River system and of the area downstream the lowest dam on the Drin cascade is ...two digital terrain models were ...DTM model is built ...

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Terrain model and gridding method variations for making topographic maps

Terrain model and gridding method variations for making topographic maps

... inventing terrain model that producing from 3D data, (3) structuring standard operational procedure for making topographic maps, (4) producing topographic maps from terrestrial surveying data, ...

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Digital Games’ Development Model

Digital Games’ Development Model

... proposed model to “Bê-à-Bá” and “Falar pelo Cotovelos” showed that it can successfully provide and create good quality games towards the STB initiative, namely according to the specialist of the involved ...

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Influence of artefacts in marine digital terrain models on habitat maps and species distribution models: a multiscale assessment

Influence of artefacts in marine digital terrain models on habitat maps and species distribution models: a multiscale assessment

... derived terrain attributes in ecological applications ...used terrain attributes and seafloor classification to identify artefacts in flat areas before correcting for the misclassifi- cations caused by ...

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LDM (Layered Deployment Model): A Novel Framework to Deploy Sensors in an Irregular Terrain

LDM (Layered Deployment Model): A Novel Framework to Deploy Sensors in an Irregular Terrain

... irregular terrain with 100% coverage and connectivity is a challenging issue in the field of Wireless Sensor ...of terrain profile as well as the in-network obstacles situated randomly like buildings, ...

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A Terrain Roughness Correction Factor for Hata Path Loss Model at 900 MHz

A Terrain Roughness Correction Factor for Hata Path Loss Model at 900 MHz

... the model since Amman is considered an area of high terrain roughness [3, ...proposed model has introduced a new factor relating a unique terrain roughness parameter, the standard deviation ...

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Terrain Evaluation   A Review

Terrain Evaluation A Review

... agricultural tracts, (d) the terrain has been divided into 5 first order units, 15 second order units and 43 third order units. There are 90 units of various units all over, (e) around 70% of the total area is ...

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Case based knowledge formalization and reasoning method for digital terrain analysis – application to extracting drainage networks

Case based knowledge formalization and reasoning method for digital terrain analysis – application to extracting drainage networks

... Additional research is needed to enhance the proposed method. In this paper, the proposed methodology is imple- mented as a primary method which focuses on DTA domain and considers the area and the terrain ...

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