搜索结果: 241-255 共查到“测绘科学技术 Digital”相关记录587条 . 查询时间(0.056 秒)
airborne digital imagers: an overview & analysis
airborne digital imagers
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2015/9/1
airborne digital imagers: an overview & analysis.
Is There An Ideal Digital Aerial Camera?
Sensor Digital aerial cameras Camera design Array sensors
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2015/9/1
The IGN digital camera project was set up in the early 90's and the first research surveys were carried out in 1996. The digital camera was first used in production in 2000 when the DMC and ADS40 syst...
evaluation of digital photogrammetry in an operational mapping environment
Photogrammetry Remote Sensing Digital Cameras Production Work Flow
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2015/9/1
We summarize the procedures and preliminary conclusions from an inter-institutional project group evaluating the feasibility (economically and practically) for introducing digital aerial imagery into ...
an integrated model to estimate the accuracy of digital orthoimages from high resolution satellite imagery
Earth observation Very high resolution satellite Accuracy Orthorectification QuickBird Modelling
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2015/9/1
In this work, a theoretical-empirical model has been developed for the modelling of the local geometric accuracy of digital orthoimages from panchromatic QuickBird Very High Resolution Satellite Image...
requirements for an orientation and calibration standard for digital aerial cameras and related sensors
Sensor Orientation Calibration GPS INS Standardization ISO
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2015/9/1
Though the ISPRS has had standardization on its agenda for a long time the progress was slow and the output of completed document is still limited. The reasons are manifold: lack of awareness of stand...
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...
IMAGE RESTORATION FOR RESOLUTION IMPROVEMENT OF DIGITAL AERIAL IMAGES
geometry calibration high resolution spatial performance
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2015/8/31
Within the paper a comparative quantification of the spatial image resolution for large-format digital airborne cameras will be presented. For this purpose, imagery of the Leica ADS40, the Intergraph ...
AUTOMATIC EXTRACTION OF LARGE COMPLEX BUILDINGS USING LIDAR DATA AND DIGITAL MAPS
LIDAR data Digital Map Building Model Primitives Patches
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2015/8/31
As the use of building models are rapidly increased for various applications, many studies have been performed to develop a practical and nearly automatic method to extract such models from various se...
AUTOMATIC BUILDING RECONSTRUCTION FROM A DIGITAL ELEVATION MODEL AND CADASTRAL DATA:AN OPERATIONAL APPROACH
Digital Elevation Model Cadastral Maps RANSAC Plane Extraction Building Polyhedral Surface ThreeDimensional Modeling
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2015/8/31
In this paper, we tackle the problem of automatic building reconstruction using digital elevation model and cadastral data. We aim at massive production of 3D urban models and present thus an algorith...
A SUPERVISED CLASSIFICATION APPROACH TOWARDS QUALITY SELF-DIAGNOSIS OF 3D BUILDING MODELS USING DIGITAL AERIAL IMAGERY
Quality Self-diagnosis Consistency Image-based measures Performance evaluation Classification 3D City Models
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2015/8/31
In the context of 3D building model production or updating, the models have to be manually checked one by one by a human operator in order to ensure their quality. In this paper, we investigate a new ...
A ROBUST ALGORITHM FOR ESTIMATING DIGITAL TERRAIN MODELS FROM DIGITAL SURFACE MODELS IN DENSE URBAN AREAS
DSM DTM Elastic Grid Outliers Robust Statistics
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2015/8/31
This paper describes an algorithm in order to derive DTMs (Digital Terrain Models) from correlation DSMs (Digital Surface Models) and above-ground (buildings and vegetation) masks in dense urban areas...
GENERATION OF DIGITAL TOPOGRAPHIC MAPS OF PLANETARY BODIES
Extra-terrestrial Planetary Cartography
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2015/8/28
In recent years, the exploration of the solar system was intensified. Several space missions have been planned, launched, or are in
operation yet. Some of them are supplied with modern camera experim...
MISMATCHING OF DIGITAL ELEVATION MODEL GENERATED FROM SATELLITE DATA IN OVERLAP AREA
DEM ASTER mismatching
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2015/8/28
In recent years, collection and processing techniques for creating digital elevation models have advanced rapidly, allowing
terrain to be represented with greater detail and accuracy. Accordingly, th...
A SUPERVISED CLASSIFICATION APPROACH TOWARDS QUALITY SELF-DIAGNOSIS OF 3D BUILDING MODELS USING DIGITAL AERIAL IMAGERY
Quality Self-diagnosis Consistency Image-based measures Performance evaluation Classification 3D City Models
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2015/8/28
In the context of 3D building model production or updating, the models have to be manually checked one by one by a human operator in order to ensure their quality. In this paper, we investigate a new ...
AUTOMATIC BUILDING RECONSTRUCTION FROM A DIGITAL ELEVATION MODEL AND CADASTRAL DATA:AN OPERATIONAL APPROACH
Digital Elevation Model Cadastral Maps RANSAC Plane Extraction Building Polyhedral Surface ThreeDimensional Modeling
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2015/8/28
In this paper, we tackle the problem of automatic building reconstruction using digital elevation model and cadastral data. We aim at massive production of 3D urban models and present thus an algorith...