搜索结果: 1-15 共查到“工学 SAR imagery”相关记录19条 . 查询时间(0.067 秒)
OIL SPILL DETECTION AND MONITORING OF ABU DHABI COASTAL ZONE USING KOMPSAT-5 SAR IMAGERY
Remote Sensing Oil Spill Detection. KOMPSAT-5 Abu Dhabi
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2016/12/1
Abu Dhabi Government endorsed vision for its Maritime Strategy ‘A safe, secure and sustainable maritime domain for Abu Dhabi'. This research study share this vision using the concept of monitoring as ...
Registration of Unrectified Optical and SAR imagery over Mountainous Areas through Automatic Free-form Features Global Matching
Automation Matching Registration Algorithms SAR Optical TerraSAR-X
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2016/1/25
An algorithm, for automatic global matching of heterogeneous free-form features (natural features) between the 3dimensional
object space and the 2dimensional image space, taking into account the non-...
Automatic Ship Detection in Space-borne SAR Imagery
Ship Detecction Space-borne SAR ALOS-PALSAR RADARSAT-1
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2016/1/25
Synthetic aperture radar (SAR) imagery has proven to be a promising data source for the surveillance of maritime activity, and its
application for automatic ship detection has been the focus of many...
BRIDGE HEIGHT ESTIMATION FROM COMBINED HIGH-RESOLUTION OPTICAL AND SAR IMAGERY
SAR High Resolution Urban Fusion Change Detection Infrastructure Detection
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2015/12/31
Today's airborne (Memphis, AeS-1, Ramses) and space borne (TerraSAR-X, CosmoSkyMed, Radarsat) SAR sensors provide very high resolution imagery independent of daylight and cloud coverage. Space borne s...
ANALYSIS OF UNCERTAIN FACTORS IN AUTOMATIC EXTRACTION OF ROADS FROM SAR IMAGERY
SAR Image Uncertainty Speckle Noise Road Feature Hypothesis Testing Performance Evaluation
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2015/12/30
The uncertain factors of automatic extracting roads from the Synthetic Aperture Radar (SAR) imagery have been considered in details in the paper. We consider that the key point of the extraction is th...
APPLICABILITY OF MULTI-SEASONAL X-BAND SAR IMAGERY FOR MULTIRESOLUTION SEGMENTATION: A CASE STUDY IN A RIPARIAN MIXED FOREST
TerraSAR-X object based image analysis multiresolution segmentation estimation of scale parameter
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2016/1/15
The increasing availability of synthetic aperture radar (SAR) data from a range of different sensors necessitates efficient methods for semi-automated information extraction at multiple spatial scales...
Wavelet Speckle Reduction for SAR Imagery Based on Edge Detection
Image processing Filtering Feature detection Geography Image understanding
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2015/11/20
This paper introduces a wavelet transform speckle reduction algorithm for Synthetic Aperture Radar (SAR) imagery based on edge detection. Existing speckle algorithm can efficiently reduce the speckle ...
Block-regression-based fusion of optical and sar imagery for features enhancement
SAR Optical Imagery Block-Regression-based Fusion
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2015/8/21
This paper focuses on fusion of optical and Synthetic Aperture Radar (SAR) images to combine these two types of remotely sensed
imagery for features enhancement. We have proposed a new fusion techniq...
Automatic thresholding for edge detection in sar imagery
SAR Imagery Edge Detection Thresholding Ratio of Averages
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2015/8/20
A few edge detectors are derived from the contrast ratio edge detector to extract linear features from SAR imagery with a constant
probability of false alarm. But all of these detectors need one or m...
Built-up Areas Extraction in High Resolution SAR Imagery based on the method of Multiple Feature Weighted Fusion
Airborne synthetic aperture radar Built-up areas Feature weighted fusion Gray symbiotic matrix Variogram
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2015/7/27
Synthetic aperture radar in the application of remote sensing technology is becoming more and more widely because of its all-time and all-weather operation, feature extraction research in high resolut...
ROAD NETWORK EXTRACTION FROM SAR IMAGERY SUPPORTED BY CONTEXT INFORMATION
Mapping SAR Object Extraction
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2015/6/1
This paper deals with automatic road extraction from SAR imagery. In general, automatically extracted road networks are not complete,
i.e., gaps remain in the erxtracted network. Especially in SAR im...
ANALYSIS OF AUTOMATIC ROAD EXTRACTION RESULTS FROM AIRBORNE SAR IMAGERY
road extraction airborne SAR imagery evaluation
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2015/5/18
Automatic extraction of roads is a present research topic. Many applications like topographic mapping, navigation applications, or
image registration could profit from such algorithms.
AUTOMATIC MAPPING OF GLACIER BASED ON SAR IMAGERY BY BENEFITS OF FREELY OPTICAL AND THERMAL DATA
Glacier Surface Area SAR Optical data Thermal data
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2015/4/1
For many research applications like water resources evaluation, determination of glacier specific changes, and for calculation of the past and future contribution of glaciers to sea-level change, para...
EVALUATION OF AUTOMATIC ROAD EXTRACTION RESULTS FROM SAR IMAGERY
AUTOMATIC ROAD EXTRACTION SAR IMAGERY
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2015/3/16
EVALUATION OF AUTOMATIC ROAD EXTRACTION RESULTS FROM SAR IMAGERY.
DETERMINATION OF GLACIER SURFACE AREA USING SPACEBORNE SAR IMAGERY
Glacier Surface Area SAR Feature Extraction Glacier Velocity Random Forests
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2014/4/24
Glaciers are very important climate indicators. Although visible remote sensing techniques can be used to extract glacier variations effectively and accurately, the necessary data are depending on goo...