搜索结果: 1-15 共查到“测绘科学技术 SAR images”相关记录48条 . 查询时间(0.161 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...
COLORIZING SENTINEL-1 SAR IMAGES USING A VARIATIONAL AUTOENCODER CONDITIONED ON SENTINEL-2 IMAGERY
Synthetic aperture radar (SAR) optical remote sensing Sentinel-1 Sentinel-2 deep learnig data fusion
2018/6/5
In this paper, we have shown an approach for the automatic colorization of SAR backscatter images, which are usually provided in the form of single-channel gray-scale imagery. Using a deep generative ...
LARGE OIL SPILL CLASSIFICATION USING SAR IMAGES BASED ON SPATIAL HISTOGRAM
Non-linear filter Unsupervised Automatic Classification Natural Hazards
2016/12/1
Among the different types of marine pollution, oil spill is a major threat to the sea ecosystems. Remote sensing is used in oil spill response. Synthetic Aperture Radar (SAR) is an active microwave se...
ANALYSIS OF MULTIPATH PIXELS IN SAR IMAGES
Multipath Signal Propagation RaySAR Statistic Index Characteristics Of Radar Signal Analysis Of Multipath Pixels
2016/11/24
As the received radar signal is the sum of signal contributions overlaid in one single pixel regardless of the travel path, the multipath effect should be seriously tackled as the multiple bounce retu...
AN UNSUPERVISED CHANGE DETECTION BASED ON TEST STATISTIC AND KI FROM MULTI-TEMPORAL AND FULL POLARIMETRIC SAR IMAGES
Change Detection Multi-temporal Synthetic Aperture Radar (SAR) Test Statistic Kittler and Illingworth (KI)
2016/11/23
Accurate and timely change detection of Earth’s surface features is extremely important for understanding relationships and interactions between people and natural phenomena. Many traditional methods ...
COMPARISON OF FILTERS DEDICATED TO SPECKLE SUPPRESSION IN SAR IMAGES
SAR Images Radar Images Filtering Mathematical Morphology Speckle Suppression
2016/11/23
This paper presents the results of research on the effectiveness of different filtering methods dedicated to speckle suppression in SAR images. The tests were performed on RadarSat-2 images and on an ...
A METHOD FOR THE EXTRACTION OF LONG-TERM DEFORMATION CHARACTERISTICS OF LONG-SPAN HIGH-SPEED RAILWAY BRIDGES USING HIGH-RESOLUTION SAR IMAGES
InSAR High Resolution Deformation Characteristic Long-term Long-span Bridge
2016/11/23
Natural causes and high-speed train load will result in the structural deformation of long-span bridges, which greatly influence the safety operation of high-speed railway. Hence it is necessary to co...
CHANGE MECHANISM ANALYSIS AND INTEGRATION CHANGE DETECTION METHOD ON SAR IMAGES
SAR Image Change Mechanism Integration Change Detection Method Change Type Grey Difference Method Correlation Coefficient Method Texture Feature Difference Method
2016/1/3
Synthetic aperture radar (SAR) image change detection is a very complex problem like SAR imaging mechanism. Every change detection method has its advantage and disadvantage, and there are no optimal c...
FUSION OF SAR IMAGES (PALSAR AND RADARSAT-1) WITH MULTISPECTRAL SPOT IMAGE:A COMPARATIVE ANALYSIS OF RESULTING IMAGES
Fusion PALSAR RADARSAT-1 SPOT Statistical analysis
2015/12/31
Land use information is one of the most useful input element in forming policies concerning to economic, environmental issues at national and also at global levels. With the view of these different sp...
APPLICATION OF TM AND SAR IMAGES FUSION FOR LAND MONITORING IN COAL MINING AREAS
Image Interpretation Change Detection SAR Fusion Texture Analysis Land Cover
2015/12/31
The defection of single data source can be solved with fusion between TM and SAR images. It provides a better solution for land surface monitoring in the mining areas. Results of experiment showed tha...
A NOVEL EDGE-DETECTION BASED SEGMENTATION ALGORITHM FOR POLARIMETRIC SAR IMAGES
Pattern Recognition Segmentation Image understanding Feature extraction Land Cover
2015/12/30
Aiming at overcoming the disadvantages of the algorithm proposed by White, R. G. (RGW) and making it applicable for PolSAR data classification, a novel edge-detection algorithm based on segmentation f...
STUDY ON A MATCHING METHOD OF AIRBORNE SAR IMAGES
SAR Matching Algorithms Edge Processing Method
2015/12/30
As an important step and technical nodus of synthetic aperture radar (SAR) image applications, image match is an important process in which the corresponding relations of pixel points between many SAR...
ESTIMATION OF SOURCE PARAMETERS OF 2003 BAM (IRAN) EARTHQUAKE FROM ENVISAT SAR IMAGES USING GENETIC ALGORITHM TECHNIQUE
Satellite Remote Sensing Earthquakes Spatial Modeling Disaster SAR Image Radar Interferometric SAR (InSAR)
2015/12/29
In this paper, we analyze synthetic aperture radar (SAR) interferograms derived from Envisat radar data. Use of interferograms from both ascending and descending satellite passes enables usto indicate...
Fusion of GIS and Statistical Features of Satellite SAR Images for Earthquake Damage Mapping At the Block Scale
Earthquake Damage Mapping SAR Urban Remote Sensing
2015/12/18
This work shows that multitemporal SAR data allows mapping earthquake damage in urban areas with an acceptable accuracy, once some ancillary information defining urban blocks is available. A statistic...
Extraction of Information on Geology Hazard from Multi-Polarization SAR Images
Remote Sensing SAR Geology Hazard Multi-Polarization
2015/12/18
Geology hazards are one of the main nature hazards in China, especially in southwest China. Now the remote sensing technology is considered the most powerful method for forecasting, monitoring, analyz...