搜索结果: 1-15 共查到“地理信息系统 SAR”相关记录19条 . 查询时间(0.243 秒)
LAND COVER MAPPING USING SENTINEL-1 SAR DATA
Sentinel-1A Synthetic Aperture Radar Land cover classification Support Vector Machines Istanbul Turkey
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2016/11/24
In this paper, the potential of using free-of-charge Sentinel-1 Synthetic Aperture Radar (SAR) imagery for land cover mapping in urban areas is investigated. To this aim, we use dual-pol (VV+VH) Inter...
MONITORING OF LAND SUBSIDENCE IN RAVENNA MUNICIPALITY USING INTEGRATED SAR-GPS TECHNIQUES:DESCRIPTION AND FIRST RESULTS
Ravenna Land Subsidence GPS DInSAR Staring Spotlight Sentinel-1
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2016/11/23
The Emilia Romagna Region (N-E Italy) and in particular the Adriatic Sea coastline of Ravenna, is affected by a noticeable subsidence that started in the 1950s, when the exploitation of on and off-sho...
UNSUPERVISED CLASSIFICATION OF POLARIMETRIC SAR DATA USING IMAGE CLUSTERING AND H/A/α DECOMPOSITION
Image Classification Data Clustering H/A/a Polarimetric SAR Iteration POLSARPRO
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2016/3/17
This paper proposed a method of unsupervised classification of polarimetric SAR data based on image clustering and H/A/a decomposition. Fully polarimetric L band data collected by ALOS PALSAR system w...
NOVEL MIMO SAR FOR URBAN REMOTE SENSING APPLICATIONS
Urban Remote Sensing Synthetic Aperture Radar (SAR) Multiple-input and Multiple-output (MIMO) MIMO SAR MIMO radar Geographic Information Systems (GIS)
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2015/12/23
The world is experiencing a rapid rate of urban expansion mainly caused by the rapid population growth. Remote sensing images can give patterns of urban growth, but urban areas are difficult to map be...
POTENTIAL OF BUILDING EXTRACTION FROM MULTI-ASPECT HIGH-RESOLUTION AMPLITUDE SAR DATA
SAR Building Detection Reconstruction Urban GIS Fusion
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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
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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
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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...
THE USE OF SAR INTERFEROMETRY FOR LANDSLIDE MAPPING IN THE INDIAN HIMALAYAS
Landslide monitoring Indian Himalayas
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2015/5/7
The aim of the here presented research was to investigate the potential of two-pass differential InSAR, and advanced DInSAR techniques, such as Small Baseline Subset (SBAS) and Persistent Scatterers...
Combined use of SAR and optical data for environmental assessments around refugee camps in semiarid landscapes
SAR refugee camps landscape capacity
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2015/5/7
Over 15 million people were officially considered as refugees in the year 2012 and another 28 million as internally displaced people (IDPs). Natural disasters, climatic and environmental changes, vi...
METHODICAL ALTERNATIVES TO THE GLACIER MOTION MEASUREMENT FROM DIFFERENTIAL SAR INTERFEROMETRY
Differential SAR Interferometry, Phase Gradient
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2015/3/24
Algorithmic variations to the glacier motion estimation from differential SAR interferometry are discussed in the present paper. Two
efficient albeit relatively simple algorithms for modelling glaci...
Ice calving and deformation from Antarctic Ice margins using RISAT-1 circular polarization SAR data
SAR Ice Calving change detection RISAT-1 ISEA
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2014/12/15
In the present study, quantification of spatial and temporal changes has been carried out between Indian Antarctic Research station Bharati and Amery ice shelf by monitoring the ice margins using RISA...
SAR POLARIMETRIC SIGNATURES FOR URBAN TARGETS – POLARIMETRIC SIGNATURE CALCULATION AND VISUALIZATION
RADARSAT-2 Urban targets Polarimetric Signatures Stokes matrix Copol signature Crosspol signature
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2014/4/29
Various urban targets (land use) from Ahmedabad city were chosen, followed by generation of polarimetric signatures for each target using the developed tool. These polarimetric signatures were then st...
TOMOGRAPHIC SAR INVERSION FROM MIXED REPEAT- AND SINGLE-PASS DATA STACKS – THE TERRASAR-X/TANDEM-X CASE
Tomographic SAR Inversion TanDEM-X data SL1MMER
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2014/4/29
This paper presents the first demonstration of high precision very high resolution tomographic SAR inversion with the assistance of TanDEM-X data. The data quality of TerraSAR-X and TanDEM-X is invest...
TOWARDS AN URBAN DEM GENERATION WITH SATELLITE SAR INTERFEROMETRY
SAR Interferometry TanDEM-X Urban Digital Elevation Models
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2014/4/29
This paper analyzes the potentials offered by the TanDEM-X mission for the generation of urban DEMs. Operationally acquired urban Raw DEMs are validated using as reference a LiDAR DEM. The approach us...