搜索结果: 1-15 共查到“SAR imagery”相关记录22条 . 查询时间(0.062 秒)
GLACIER FRONTAL LINE EXTRACTION FROM SENTINEL-1 SAR IMAGERY IN PRYDZ AREA
SAR Glacier Frontal Sentinel-1 CFAR Profile analysis
2018/5/14
Synthetic Aperture Radar (SAR) can provide all-day and all-night observation of the earth in all-weather conditions with high resolution, and it is widely used in polar research including sea ice, sea...
POST-DISASTER DAMAGE ASSESSMENT THROUGH COHERENT CHANGE DETECTION ON SAR IMAGERY
Coherent Change Detection, Synthetic Aperture Radar, Automatic post-disaster damage assessment, Earthquake
2018/5/14
Damage assessment is a fundamental step to support emergency response and recovery activities in a post-earthquake scenario. In recent years, UAVs and satellite optical imagery was applied to assess m...
OIL SPILL DETECTION AND MONITORING OF ABU DHABI COASTAL ZONE USING KOMPSAT-5 SAR IMAGERY
Remote Sensing Oil Spill Detection. KOMPSAT-5 Abu Dhabi
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
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
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
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
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
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
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
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
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
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...
Gis-supported Precise Spatio-temporal Modelling from Airborne Sar Imagery
SAR modelling Temporal
2015/7/6
Precise spatio-temporal model can make it easy to obtain precise temporal and spatial information just like the true world, and it is of
much importance to the planning and designing of Civil Enginee...
ROAD NETWORK EXTRACTION FROM SAR IMAGERY SUPPORTED BY CONTEXT INFORMATION
Mapping SAR Object Extraction
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
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.