搜索结果: 1-15 共查到“地理信息系统 Resolution”相关记录35条 . 查询时间(0.093 秒)
MODEL ACCURACY COMPARISON FOR HIGH RESOLUTION INSAR COHERENCE STATISTICS OVER URBAN AREAS
Interferometric Synthetic Aperture Radar (InSAR) Coherence Statistics Model Accuracy Urban Areas
2016/11/24
The interferometric coherence map derived from the cross-correlation of two complex registered synthetic aperture radar (SAR) images is the reflection of imaged targets. In many applications, it can a...
A SUSTAINABLE APPROACH FOR UPGRADING GEOGRAPHIC DATABASES BASED ON HIGH RESOLUTION SATELLITE IMAGERY
Map upgrading Sustainable Development High Resolution Imagery Cartography
2015/12/28
The availability of high-resolution satellite images could be exploited for upgrading geographic databases at medium scales (1:5,000-1:25,000) as alternative to aerial photogrammetry. The paper presen...
UPGRADING FUNDAMENTAL GIS DATABASES FOR NAVIGATION FROM HIGH RESOLUTION SATELLITE IMAGERY
Road Extraction Updating Upgrading Navigation High Resolution
2015/12/23
Upgrading fundamental GIS databases for navigation use is an important work for providing location-based services In this paper, we present a process for extraction road networks in urban city from pa...
MULTI-RESOLUTION REPRESENTATION OF DIGITAL TERRAIN MODELS WITH TOPOGRAPHICAL FEATURES PRESERVATION
Geometry Geomorphology Extraction Simplification Feature Multi-resolution
2015/12/23
Multi-resolution TIN model is a promising solution for achieving rapid visualization speed and interactive frame rates in the contexts of visualization, virtual reality (VR), and geographic informatio...
THE ESTABLISHMENT OF DIGITAL HIGH RESOLUTION GEODATABASES FOR WEBGIS: FROM DIGITAL CAMPUS TO DIGITAL NATIONAL PARK
Internet GIS Spatial Database Computer Vision Spatial Modelling Geographical Services Visualization
2015/12/22
In 1999 right after Al Gore brought the idea of the Digital Earth, aiming to promote the Digital Earth concept Chinese Culture University (CCU) in Taiwan established the Digital Earth Research Center ...
Invasive Species Spread Modeling Using Multi-resolution Remote Sensing Data
Classification Saltcedar Spectral Unmixing
2015/12/1
The invasions of non-native species of vegetation pose significant threats to natural environments at all geographical scales. Saltcedar has been commonly treated as one of the several most threatenin...
Generation of Digital Surface Model from High Resolution Satellite Imagery
DSM IKONOS Satellite High Resolution Image
2015/11/23
We discuss an improved approach for digital surface model (DSM) generation from high-resolution satellite imagery (HRSI) in this paper. The HRSI systems, such as IKONOS and QuickBird have initialed a ...
POTENTIAL OF BUILDING EXTRACTION FROM MULTI-ASPECT HIGH-RESOLUTION AMPLITUDE SAR DATA
SAR Building Detection Reconstruction Urban GIS Fusion
2015/8/7
State-of-the-art airborne SAR sensors provide spatial resolution on the order of a decimetre. In such data, many features of urban objects can be identified, which were beyond the scope of radar remot...
INTERPRETATION OF HIGH RESOLUTION SAR DATA USING EXISTING GIS DATA IN URBAN AREAS
SAR Registration Simulation Georeferencing GIS Change Detection Urban Building
2015/8/7
Within the paper the automatic matching of existing GIS data to airborne SAR scenes for georeferencing is discussed. For this purpose simulated SAR images are generated based on the available GIS obje...
POTENTIAL OF HIGH-RESOLUTION SAR IMAGES FOR URBAN ANALYSIS
SAR Building Detection Urban Simulation GIS Fusion
2015/8/3
State-of-the-art airborne SAR sensors provide spatial resolution on the order of a decimetre. In such data, many features of urban objects can be identified, which were beyond the scope of radar remot...
3d Modeling and Visualization of Large Cultural Heritage Sites At very High Resolution: The Bamiyan Valley and Its Standing Buddhas
Cultural Heritage SPOT IKONOS
2015/7/15
In this paper we present the modeling and visualization of the cultural heritage area of Bamiyan, Afghanistan. The region is situated
ca 200 km north-west of Kabul and it was one of the major Buddhis...
Data Fusion of Aerial Images Collected by Matrix Camera and Line Scanner of Different Resolution
fusion integration multiresolution,
2015/7/9
The information collected through the airborne remote sensing are useful for many scientific and practical works. In order to use
collected information and existing knowledge of the observed object i...
Use Image Streaming Technologies to Present High Resolution Images on The Internet
Internet/Web GIS Mapping
2015/7/9
Geospatial information services over the Internet become a technological trend driven by the innovations of geospatial information
and communication technology. One key issue is how to present high r...
Integration of Airborne Laser Data and High Resolution Satellite Images Over Landslides Risk Areas
LIDAR radiometry high resolution imagery data integration DTM landslides
2015/7/9
When areas interested by catastrophic events like landslides are investigated, it is important to have a great amount of
information with a greater than possible detail.
It allows to evaluate the da...
Comparison of Information Contents of High Resolution Space Images
high resolution satellite mapping information analysis
2015/7/7
The information contents of high resolution space images, usable for mapping, are not only depending upon the image resolution
that means in case of digital data, depending upon the pixel size in the...