SAR_IMAGES

作品数：93被引量：190H指数：6
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AN EVIDENT SIDELOBE CONTROL METHOD BASED ON NSCT FOR SHIP TARGET IN SAR IMAGES
《Journal of Electronics(China)》2011年第4期419-426,共8页Li Xueying Yin Dong Zhang Rong Wang Kui 
Supported by the National Basic Research Program of China (973 Program) (No. 2010CB731900)
Evident sidelobe on faint ship target seriously affects the accuracy of the target segmen-tation in Synthetic Aperture Radar(SAR) images.To avoid this problem,a novel sidelobe control method based on NonSubsampled Con...
关键词：Synthetic Aperture Radar(SAR) NSCT Sidelobe control Directional enhancement 
ADAPTIVE RIVER SEGMENTATION IN SAR IMAGES被引量：4
《Journal of Electronics(China)》2009年第4期438-442,共5页Zhang Lili Zhang Yanning Wang Min Li Ying 
Support by the National Natural Science Foundation of China (NSFC) (No.60472072);the Specialized Research Foundation for the Doctoral Program of Higher Education (No.20040699034);the Aeronautical Science Foundation of China (No.05I53076);the Yellow River Conser-vancy Commission (YRCC) Research on ecological im-provement of the Yellow River (No.2004SZ01-04)
There is difficulty for distinguishing of river and shadow in Synthetic Aperture Radar (SAR) images. A method of river segmentation in SAR images based on wavelet energy and gradient is proposed in this paper. It main...
关键词：Synthetic Aperture Radar （SAR） image River segmentation Wavelet energy GRADIENT 
IMAGE-BASED SCALING FOR SHIP TOP VIEW ISAR IMAGES被引量：3
《Journal of Electronics(China)》2008年第1期76-83,共8页Wang Ling Zhu Daiyin Zhu Zhaoda 
Supported by the National Natural Science Foundation of China (No.60502030);the Aeronautical Science Foundation of China (No.05D52027).
A high quality top view or side view ship ISAR image with proper cross-range scale is very useful for target recognition. A technique aiming at solving the ship top view image scaling is developed, in which the cross-...
关键词：Inverse Synthetic Aperture Radar （ISAR） SHIP SCALING Recognition 
FAST DETECTING TARGET GROUPS IN SAR IMAGES被引量：1
《Journal of Electronics(China)》2006年第5期781-782,共2页Gao Gui Kuang Gangyao Jiang Yongmei Wang Baosun Gao Sheng 
A successful algorithm for detecting target groups is presented. Firstly, A global Constant False Alarm Rate (CFAR) detector is utilized to locate the potential target regions, and then the features are com- puted for...
关键词：DETECTION DISCRIMINATION LOCATION Target groups 
MAXIMUM A POSTERIORI-BASED AUTOMATIC TARGET DETECTION IN SAR IMAGES
《Journal of Electronics(China)》2005年第6期594-598,共5页Wang Yimin An Jinwen 
The paper presents an algorithm of automatic target detection in Synthetic Aperture Radar(SAR) images based on Maximum A Posteriori(MAP). The algorithm is divided into three steps. First, it employs Gaussian mixture d...
关键词：Synthetic Aperture Radar（SAR） image Target detection Maximum A Posteriori（MAP） Gaussian mixture distribution 
STUDY ON THE TECHNIQUE TO DETECT TEXTURE FEATURES IN SAR IMAGES
《Journal of Electronics(China)》2004年第6期515-521,共7页FuYusheng DingDongtao HouYinming 
Supported by the University Doctorate Special Research Fund(No.20030614001)
This letter studies on the detection of texture features in Synthetic Aperture Radar (SAR) images. Through analyzing the feature detection method proposed by Lopes, an improved texture detection method is proposed, wh...
关键词：Synthetic Aperture Radar (SAR) Feature detection Image texture 
A NOVEL SHIP WAKE DETECTION METHOD OF SAR IMAGES BASED ON FREQUENCY DOMAIN
《Journal of Electronics(China)》2003年第4期313-320,共8页Liu Hao Zhu Minhui (Nat. Key Lab. of Microwave Imaging Tech., Inst. of Electron., Chinese Academy of Sci., Beijing 100080) 
Moving ships produce a set of waves of "V' pattern on the ocean. These waves can often be seen by Synthetic Aperture Radar (SAR). The detection of these wakes can provide important information for surveillance of ship...
关键词：Image processing Linear feature detection Ship wake Synthetic Aperture Radar (SAR) 
RAYLEIGH-DISTRIBUTION BASED MINIMUM ERROR THRESHOLDING FOR SAR IMAGES
《Journal of Electronics(China)》1999年第4期336-342,共7页Xue Jinghao Zhang Yujin Lin Xinggang (Department of Electronic Engineering, Tsinghua University, Beijing 100084) 
Supported by the National Natural Foundation of China(No.69672029 and No.69772021)
This paper presents a minimum error thresholding (MET) algorithm under the hypothesis that the gray level histogram of SAR image fits to a mixture model of shifted Rayleigh distribution. This algorithm is applied to r...
关键词：SAR image RAYLEIGH DISTRIBUTION Minimum error THRESHOLDING (MET) KOLMOGOROV-SMIRNOV testing 
SUPPRESSING THE COHERENT SPECKLE OF SAR IMAGES WITH WAVELET ANALYSIS
《Journal of Electronics(China)》1998年第2期97-106,共10页Tang Jian Wang Zhensong (Institute of Electronics, Academia Sinica, Beijing 100080) 
Supported by both Chinese National Natural Foundation;National 863 Hi-Tech Project Foundation
This paper studies Synthetic Aperture Radar (SAR) images contaminated by the coherent speckle noise with the multiresolution analysis of wavelet transform. This study shows that the influences of the speckle on differ...
关键词：Synthetic APERTURE Radar (SAR) COHERENT SPECKLE noise Wavelet transform MULTIRESOLUTION analysis SINGULARITY 
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