搜索结果: 31-45 共查到“工学 SAR Images”相关记录59条 . 查询时间(0.089 秒)
Detection of along-track ground moving targets in high resolution spaceborne sar images
Radar SAR Detection
2015/8/20
Future high resolution multi-aperture SAR satellites entail high potential for large-area traffic monitoring from space. While many
approaches for detecting across-track moving vehicles in SAR images...
EFFECTS AND PERFORMANCE OF SPECKLE NOISE REDUCTION FILTERS ON ACTIVE RADAR AND SAR IMAGES
RADAR SAR Images Noise Speckle Filtering Adaptive Filter
2015/8/17
Reduction of speckle noise is one of the most important processes to increase the quality of radar coherent images. Image variances
or speckle is a granular noise that inherently exists in and degra...
A FUSION STRATEGY FOR EXTRACTED ROAD NETWORKS FROM MULTI-ASPECT SAR IMAGES
SAR road extraction multi-aspect images fusion
2015/8/7
In this paper, we describe an extension of the automatic road extraction procedure developed for single SAR images towards multiaspect SAR images. Multi-aspect images illuminate the same scene, but fr...
DETERMINISTIC EXTRACTION OF BUILDING PARAMETERS FROM HIGH RESOLUTION SAR IMAGES
Synthetic Aperture Radar urban structure detection
2015/8/3
Urban structure detection, in terms of both geometric and electromagnetic features, from a single High Resolution (HR) SAR image is, nowadays, an interesting still open challenge.Within this framework...
POTENTIAL OF HIGH-RESOLUTION SAR IMAGES FOR URBAN ANALYSIS
SAR Building Detection Urban Simulation GIS Fusion
2015/8/3
State-of-the-art airborne SAR sensors provide spatial resolution on the order of a decimetre. In such data, many features of urban objects can be identified, which were beyond the scope of radar remot...
The aim of this paper is to study the use of cross-correlation for radargrammetric applications. Two other criteria derived from Mean Square Error analysis are proposed. These three criteria are studi...
SAR SIMULATION BASED CHANGE DETECTION WITH HIGH-RESOLUTION SAR IMAGES IN URBAN ENVIRONMENTS
SAR Change Detection City Disaster Radar Rectification Simulation
2015/7/29
Combined processing using different sensor types, i.e. for applications like change detection, requires a good geo-referencing. Furthermore the individual sensor properties have to be taken into accou...
THE USE OF ENVISAT ALTERNATING POLARIZATION SAR IMAGES IN AGRICULTURAL MONITORING IN COMPARISON WITH RADARSAT-1 SAR IMAGES
Agriculture SAR polarization satellite monitoring
2015/7/29
In this paper Envisat alternating polarization SAR images were used in the agricultural monitoring and yield damage assessment. The
main advantage of using synthetic aperture radar (SAR) is that sat...
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
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...
Extraction of Peak Feature Based on Synthetic Sinc Model in SAR images
SAR Image Peak Feature Point Scatters Gaussian Mask Synthetic Sinc Model Fluctuations Analyze
2015/7/27
Peak is an important feature in Synthetic Aperture Radar(SAR), which represents essence of scattering centre. There are two general approaches in the literature to extract peak. One way is to extract ...
Semi-automatic Road Extraction from SAR images using EKF and PF
SAR image Semi-automatic road extraction Extend Kalman Filtering (EKF) Particles Filtering (PF)
2015/7/27
Recently, the use of linear features for processing remote sensing images has shown its importance in applications. As one of typical linear targets, road is a hot spot of remote sensing image interpr...
REGISTERING INTERFEROMETRIC SAR IMAGES USING MARRHILDRETH ZERO-CROSSINGS
Registration SAR Edge Image Digital
2015/6/1
Leberl (Leberl, 1990) proposed an edge-based algorithm for finding matching pairs of points in SAR images. In this paper, we show that the algorithm can be used to register interferometric SAR images ...
THE CONTRAST RESEARCH OF THE METHODS OF RESTRAINING THE SPECKLE NOISE OF SAR IMAGES
SAR High resolution Method Analysis Model
2015/6/1
There commonly exists speckle noise in the SAR images. It badly disturbs the extraction and interpretation of the information of the objects, influences the application of the SAR images. So it has im...
TOWARDS A NEW PARADIGM FOR REGISTRATION OF SAR IMAGES USING LINEAR FEATURES
Feature-Based Photogrammetry SAR Registration
2015/6/1
This paper summarizes a preliminary progress made in our ongoing R&D project concerned with developing a new paradigm for
orientation and registration of SAR images. The basic idea is to replace tra...
EXTRACTING BUILT-UP AREAS FROM MULTITEMPORAL INTERFEROMETRIC SAR IMAGES
Land Use Urban SAR Segmentation Classification
2015/3/24
Automatic extraction of built-up areas from a multitemporal interferometric ERS-1/2 Tandem SAR dataset was studied. The image
data were segmented into homogeneous regions and the regions were classi...