搜索结果: 16-30 共查到“测绘科学技术 quality assessment”相关记录53条 . 查询时间(0.171 秒)
A QUALITY ASSESSMENT METHOD FOR 3D ROAD POLYGON OBJECTS
Quality Assessment Quality Element 3D Road Polygon LiDAR
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2015/9/21
With the development of the economy, the fast and accurate extraction of the city road is significant for GIS data collection and update, remote sensing images interpretation, mapping and spatial data...
PRELIMINARY RESULTS FROM THE PORTABLE IMAGERY QUALITY ASSESSMENT TEST FIELD (PIQuAT) OF UAV IMAGERY FOR IMAGERY RECONNAISSANCE PURPOSES
UAV IMINT Quality assessment Test Field Remote sensing miniMC
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2015/9/10
The article presents a set of initial results of a quality assessment study of 2 different types of sensors mounted on an unmanned aerial vehicle, carried out over an especially designed and construct...
PORTABLE IMAGERY QUALITY ASSESSMENT TEST FIELD FOR UAV SENSORS
UAV image quality quality assessment portable test field sensor resolution remote sensing
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2015/9/10
Nowadays the imagery data acquired from UAV sensors are the main source of all data used in various remote sensing applications, photogrammetry projects and in imagery intelligence (IMINT) as well as ...
Quality assessment of image fusion
Earth monitoring satellites blur parameter
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2015/9/2
Earth monitoring satellites provide us with various data in different parts of electromagnetic spectrum
with a spectral, temporal and spatial quality. In order to make a complete use of image fusions...
GEOMETRIC QUALITY ASSESSMENT OF CARTOSAT-1 DATA PRODUCTS
CARTOSAT-1 Location accuracy Satellite ephemeris
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2015/8/31
CARTOSAT-1, launched in May 2005 is the latest of the India Remote Sensing series of Satellites built by the Indian Space
Research Organisation. CARTOSAT-1, also known as IRS-P5 is basically a stereo...
GEOMETRIC QUALITY ASSESSMENT OF VHR SATELLITE IMAGERY WITH ORTHO-RECTIFIED CARTOSAT-1 DATA – A CASE STUDY
Geometric quality assessment Ortho-rectification Very high resolution satellite imagery and mosaic
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2015/8/28
Data products from satellite instruments with moderate to high spatial resolution are assessed for their geometric
accuracy with the help of topographic maps or geo-coded satellite imagery generally ...
QUALITY ASSESSMENT OF ROAD DATABASES IN OPEN LANDSCAPE AREAS
Database GIS Imagery
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2015/8/28
In this paper an approach to the automatic quality assessment of existing geo-spatial data is presented. The necessary reference
information is derived automatically from up-to-date digital remotely ...
ORTHORECTIFICATION AND GEOMETRIC QUALITY ASSESSMENT OF CARTOSAT-1 FOR COMMON AGRICULTURAL POLICY MONITORING
CARTOSAT-1 geometry digital elevation model
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2015/8/28
The European Union uses remotely sensed data in a large operational programme to monitor subsidies given to farmers and to
identify irregularities in claims. The trend over the last few years has bee...
GEOMETRIC QUALITY ASSESSMENT OF CARTOSAT-1 DATA PRODUCTS
CARTOSAT-1 Location accuracy Satellite ephemeris
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2015/8/28
CARTOSAT-1, launched in May 2005 is the latest of the India Remote Sensing series of Satellites built by the Indian Space
Research Organisation. CARTOSAT-1, also known as IRS-P5 is basically a stereo...
AUTOMATIC QUALITY ASSESSMENT OF GIS ROAD DATA USING AERIAL IMAGERY-A COMPARISON BETWEEN BAYESIAN AND EVIDENTIAL REASONING
Database GIS Imagery Networks Parameters Quality Reliability
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2015/8/7
This paper describes the framework for automatic quality assessment of existing geo-spatial data. The necessary reference information is derived from up-to-date digital aerial images via automatic obj...
USING IMAGE STATISTICS FOR AUTOMATED QUALITY ASSESSMENT OF URBAN GEOSPATIAL DATA
Quality assessment ridge detection performance characterization road extraction spatial accuracy GIS
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2015/8/3
In this paper, a framework is proposed to assess the quality of urban geospatial data using image information. An important aspect is the emphasis on accuracy and reliability of the system. The qualit...
Orthorectification and Geometric Quality Assessment of Very High Spatial Resolution Satellite Imagery for Common Agricultural Policy Purposes
IKONOS QuickBird EROS
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2015/7/9
37 sites for the checking of farmers’ aid applications under the Common Agricultural Policy (CAP), covering an area
of over 10,000 km
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, were imaged with very high resolution (VHR) images (Ikonos,...
GIS-DRIVEN ANALYSES OF REMOTELY SENSED DATA FOR QUALITY ASSESSMENT OF EXISTING LAND COVER CLASSIFICATION
GIS Quality Assessment Land Cover Classification Updating Multispectral
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2015/6/1
Automatization of processes for revision and updating existing GIS information is essential for the modern maintenance of spatial databases. The integration of remotely sensed multi-spectral data into...
QUALITY ASSESSMENT OF ROAD DATABASES USING AERIAL IMAGERY
Database GIS Imagery Networks Parameters Quality Reliability
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2015/6/1
Digital road databases are widely used in many facets of our daily life. Most of these databases come with a nominal quality indication, but often more detailed quality descriptions regarding possible...
VISUAL AND STATISTICAL QUALITY ASSESSMENT AND IMPROVEMENT OF REMOTELY SENSED IMAGES
Atmospheric Radiometric Geometric Quality Diagnosis Assessment Improvement Elimination
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2015/5/27
Remotely sensed images are interpreted pixel by pixel, using spectral vector analysis methods. Most kind of noise and perturbation in pixel value or position cause misinterpretation. In this paper mos...