搜索结果: 1-15 共查到“测绘科学技术 SAR image”相关记录29条 . 查询时间(0.14 秒)
HYBRID GEOMETRIC CALIBRATION METHOD FOR MULTI-PLATFORM SPACEBORNE SAR IMAGE WITH SPARSE GCPS
SAR image geometric calibration R-D model multi-platform TerraSAR-X TanDEM-X Gaofen-3
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2018/5/15
Geometric calibration is able to provide high-accuracy geometric coordinates of spaceborne SAR image through accurate geometric parameters in the Range-Doppler model by ground control points (GCPs). H...
EXTRACTION OF COASTLINES WITH FUZZY APPROACH USING SENTINEL-1 SAR IMAGE
SAR coastline fuzzy LIDAR classification SENTINEL-1
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2016/11/24
Coastlines are important features for water resources, sea products, energy resources etc. Coastlines are changed dynamically, thus automated methods are necessary for analysing and detecting the chan...
AN AUTOMATIC OPTICAL AND SAR IMAGE REGISTRATION METHOD USING ITERATIVE MULTI-LEVEL AND REFINEMENT MODEL
SAR images image registration multi-features multi-measures visual saliency model iteration strategy
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2016/11/23
Automatic image registration is a vital yet challenging task, particularly for multi-sensor remote sensing images. Given the diversity of the data, it is unlikely that a single registration algorithm ...
MULTISCALE SEGMENTATION OF POLARIMETRIC SAR IMAGE BASED ON SRM SUPERPIXELS
synthetic aperture radar (SAR) polarimetric SAR (PolSAR) segmentation multiscale superpixel binary partition tree (BPT) statistical region merging (SRM)
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2016/11/23
Multi-scale segmentation of remote sensing image is more systematic and more convenient for the object-oriented image analysis compared to single-scale segmentation. However, the existing pixel-based ...
COUPLING REGULAR TESSELLATION WITH RJMCMC ALGORITHM TO SEGMENT SAR IMAGE WITH UNKNOWN NUMBER OF CLASSES
SAR Image Segmentation Segmentation with Unknown Number of Classes Regular Tessellation RJMCMC Algorithm
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2016/11/23
This paper presents a Synthetic Aperture Radar (SAR) image segmentation approach with unknown number of classes, which is based on regular tessellation and Reversible Jump Markov Chain Monte Carlo (RJ...
SAR IMAGE AND OPTICAL IMAGE REGISTRATION BASED ON CONTOUR AND SIMILARITY MEASURES
Contour Extraction Morphologic Methods Affine Transforms Residual Deformations Multisensor Registration Similarity Measure
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2016/3/17
Image registration is concerned with the establishment of correspondence between the images of the same scene. It is a challenge problem especially when multispectral/multisensor images areregistered....
Accuracy Assessment of Building Height Estimation from a High Resolution Optical Image Combined with a Simulated SAR Image
Recognition SAR High resolution Fusion Reconstruction Urban Simulation TerraSAR-X
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2016/1/25
Modern space borne SAR sensors like TerraSAR-X and COSMO-SkyMed are capable of acquiring images with a geometric ground
resolution of one meter. Airborne sensors achieve even higher ground resolutio...
WATER BODY INFORMATION EXTRACTION FROM HIGH RESOLUTION AIRBORNE SAR IMAGE WITH TECHNIQUE OF IMAGING IN DIFFERENT DIRECTIONS AND OBJECT-ORIENTED
Information Extraction Object-Oriented Dfferent Drections Seckle noise Sadow Wter body
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2015/12/30
Water resources play an important role in region planning, natural disaster, industrial and agricultural production and so on. Airborne SAR images provide advanced means to get water bodies informatio...
SAR IMAGE REGISTRATION USING A NEW APPROACH BASED ON THE GENERALIZED HOUGH TRANSFORM
Remote Sensing Vision Sciences Radar Analysis Registration Algorithms Matching Transformation
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2015/12/30
Radar Imaging using SAR systems provides specific information that is very useful in the frame of "Digital Earth" applications (i.e. flood supervision, forestry or agriculture watch,). The main intere...
A RAPID METHOD FOR WATER TARGET EXTRACTION IN SAR IMAGE
Synthetic Aperture Radar Imagery Water Target Automatic Recognition Grey Morphology Nonlinear Filter
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2015/12/23
For the inherent speckles in SAR imagery, the processing of object extraction becomes more difficult. Using the traditional target extraction arithmetic for optical imagery, we can not get ideal resul...
Road Extraction from SAR Image Using an Improved Statistical Algorithm
Road extraction Feature extraction SAR image Speckle statistics Phase grouping
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2015/12/9
An efficient statistical algorithm of automatic extracting road from SAR images is devised in this paper. First, an feature detecting operator is used to find the road candidate. Then another smaller ...
Similarity measures of full polarimetric SAR images fusion for improved SAR image matching
SAR Image Matching, Logarithmically Image Transformation, NCC Measure, Information-based Entropy, Similarity Measures Fusion, Full Polarimetric SAR Data
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2015/7/27
China’s first airborne SAR mapping system (CASMSAR) developed by Chinese Academy of Surveying and Mapping can acquire high-resolution and full polarimetric (HH, HV, VH and VV) Synthetic aperture radar...
Multipolarimetric SAR image change detection based on multiscale feature-level fusion
Multipolarimetric SAR Change Detection NSCT Fusion
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2015/7/27
Many methodologies of change detection have been discussed in the literature, but most of them are tested on only optical images or traditional synthetic-aperture radar (SAR) images. Few studies have ...
Method of airborne SAR image match integrating multi-information for block adjustment
Airborne SAR Block Adjustment Multi-mage match Multi-information
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2015/7/27
For the automation of SAR image Block Adjustment, this paper proposed a method of SAR image matching integrating multiinformation. It takes full advantage of SAR image geometric information, feature i...
SAR IMAGE SEGMENTATION THROUGH B-SPLINE DEFORMABLE CONTOURS AND FRACTAL DIMENSION
change detection classifi cation edge extraction
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2015/6/1
Synthetic Aperture Radar (SAR) images are usually corrupted by a signal-dependent non-additive noise called speckle.
This makes difficult the segmentation, object identification, and feat...