SAR_IMAGE

作品数：69被引量：169H指数：7
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Novel method for extraction of ship target with overlaps in SAR image via EM algorithm
《Journal of Systems Engineering and Electronics》2024年第4期874-887,共14页CAO Rui WANG Yong 
This work was supported by the National Science Fund for Distinguished Young Scholars(62325104).
The quality of synthetic aperture radar(SAR)image degrades in the case of multiple imaging projection planes(IPPs)and multiple overlapping ship targets,and then the performance of target classification and recognition...
关键词：expectation maximization(EM)algorithm image processing imaging projection plane(IPP) overlapping ship tar-get synthetic aperture radar(SAR) 
SAR image de-noising via grouping-based PCA and guided filter被引量：5
《Journal of Systems Engineering and Electronics》2021年第1期81-91,共11页FANG Jing HU Shaohai MA Xiaole 
supported by the National Natural Science Foundation of China(62002208;61572063;61603225);the Natural Science Foundation of Shandong Province(ZR2016FQ04)。
A novel synthetic aperture radar(SAR)image de-noising method based on the local pixel grouping(LPG)principal component analysis(PCA)and guided filter is proposed.This method contains two steps.In the first step,we pro...
关键词：synthetic aperture radar(SAR)image de-noising local pixel grouping(LPG) principal component analysis(PCA) guided filter 
Angular extent effect of micromotion target in SAR image by polar format algorithm被引量：1
《Journal of Systems Engineering and Electronics》2014年第3期428-433,共6页Bin Deng Yuliang Qin Hongqiang Wang Yanpeng Li 
supported by the National Natural Science Foundationof China(61302148;61101182)
Target micromotion not only plays an important role in target recognition but also leads to esoteric characteristics in synthetic aperture radar （SAR） imaging. This paper finds out an interesting phenomenon, i.e. th...
关键词：synthetic aperture radar （SAR） MICROMOTION MICRO-DOPPLER polar format algorithm （PFA） angular extent effect. 
Fast segmentation approach for SAR image based on simple Markov random field被引量：8
《Journal of Systems Engineering and Electronics》2010年第1期31-36,共6页Xiaogang Lei Ying Li Na Zhao Yanning Zhang 
supported by the Specialized Research Found for the Doctoral Program of Higher Education (20070699013);the Natural Science Foundation of Shaanxi Province (2006F05);the Aeronautical Science Foundation (05I53076)
Traditional image segmentation methods based on MRF converge slowly and require pre-defined weight. These disadvantages are addressed, and a fast segmentation approach based on simple Markov random field （MRF） for S...
关键词：SAR image segmentation simple Markov random field coarse segmentation maximum a posterior iterated condition mode. 
Image edge detection based on beamlet transform被引量：10
《Journal of Systems Engineering and Electronics》2009年第1期1-5,共5页Li Jing Huang Peikang Wang Xiaohu Pan Xudong 
Combining beamlet transform with steerable filters, a new edge detection method based on line gradient is proposed. Compared with operators based on point local properties, the edge-detection results with this method ...
关键词：edge detection beamlet transform steerable filters optical image SAR image. 
SAR image target segmentation based on entropy maximization and morphology被引量：1
《Journal of Systems Engineering and Electronics》2004年第4期484-487,共4页BaiZhengyao LiuZhoufeng HePeikun 
Entropy maximization thresholding is a simple, effective image segmentation method. The relation between the histogram entropy and the gray level of an image is analyzed. An approach, which speeds the computation of o...
关键词：SAR 图像分割 熵最大化 阈值 合成孔径雷达 
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