搜索结果: 1-11 共查到“大地测量技术 SAR”相关记录11条 . 查询时间(0.131 秒)
AN IMPROVED METHOD OF AGM FOR HIGH PRECISION GEOLOCATION OF SAR IMAGES
SAR image Range-doppler geolocation AGM linear regression
2018/5/17
In order to take full advantage of SAR images, it is necessary to obtain the high precision location of the image. During the geometric correction process of images, to ensure the accuracy of image ge...
EXPLORING THE APPLICABILITY OF SEMI-GLOBAL MATCHING FOR SAR-OPTICAL STEREOGRAMMETRY OF URBAN SCENES
TerraSAR-X WorldView-2 dense matching semi-global matching (SGM) data fusion SAR-optical stereogrammetry
2018/6/4
Nowadays, a huge archive of data from different satellite sensors is available for diverse objectives. While every new sensor provides data with ever higher resolution and more sophisticated special p...
SYNTHETIC APERTURE RADAR (SAR) BASED CLASSIFIERS FOR LAND APPLICATIONS IN GERMANY
LBM-DE Land cover polarimetry SAR Sentinel-1 Sentinel-2
2016/7/5
Land cover information is essential for urban planning and for land cover change monitoring. This paper presents an overview of the work conducted at the Federal Agency for Cartography and Geodesy (BK...
Mosaicking of Digital Elevation Models derived by SAR interferometry
Mosaicking Digital Elevation Models derived SAR interferometry
2016/5/20
In the framework of the Shuttle Radar Topography Mapper (SRTM) Mission the generation of high-quality Digital Elevation Models (DEMs) with global coverage of the earth's surface is envisaged. In this ...
TOPOGRAPHY AND DISPLACEMENT OF POLAR GLACIERS FROM MULTI-TEMPORAL SAR INTERFEROGRAMS: POTENTIALS, ERROR ANALYSIS AND VALIDATION
SAR Interferometer Adjustment Algorithms
2015/6/1
For connecting the multi-temporal data sets, a spatio-temporal model is proposed that describes the properties of the
surface and its temporal evolution. Rigorous mathematical modeling of functional ...
SAR DATA ACQUISITION FOR EVENT-DRIVEN MAPPING OF URBAN AREAS USING GIS
SAR, Building Detection Urban Simulation Fusion
2015/6/1
Airborne SAR systems allow a flexible ground mapping with high geometric resolution, independent from daytime and weather
conditions. This offers the opportunity of using this technology for the ana...
UTILIZATION OF LIDAR DEM FOR SAR IMAGE ANALYSIS IN DENSE URBAN AREAS
SAR LIDAR Distortion Simulation, Fusion
2015/3/25
The increasing resolution of SAR data opens the possibility to utilise this data for scene interpretation in urban areas. Different SAR
specific phenomena like foreshortening, layover, shadow and mul...
SENSOR AND DATA FUSION CONTEST: TEST IMAGERY TO COMPARE AND COMBINE AIRBORNE SAR AND OPTICAL SENSORS FOR MAPPING
Data fusion Multi-spectral data Radar
2015/3/24
Presently, a data fusion contest is conducted to compare the potential of airborne SAR with optical sensors for mapping
applications. The goal of the test is to answer two questions: (1) Can state-of...
INTEGRATED USE OF INTERFEROMETRIC SAR DATA AND LEVELLING MEASUREMENTS FOR MONITORING LAND SUBSIDENCE
Land subsidence Monitoring Levelling Differential SAR interferometry Integration
2014/12/29
Land subsidence caused by withdrawal of groundwater has become one of the most serious hazards in many parts of the world, particularly in densely populated and economically developed coastal areas. L...
SAR影像水体目标提取的序列非线性波波方法
自动识别 非线性滤波 灰度形态学
2009/7/24
合成孔径雷达（SAR）影像由于其特有的相干斑点噪声，加大了其目标边界特征提取的难度。采用一般针对光学影像的目标提取区域分割算子，在SAR影像的自动目标识别处理中往往不能取得理想的效果。水体目标在SAR影像中表现为整体亮度很低且成面状连续分布的像素区域。目前大多采用阈值分割转为二值影像的方法提取低亮度目标，但由于强烈的相干噪声影响，如何自动获得一个合适的阈值是一个比较困难的问题。一般多采用基于假设检...