%0 Journal Article %T A Method of Image Target Localization Applied to InSAR Baseline Measurement
应用于InSAR基线测量的图像目标定位方法 %A TIAN Zhao-shen %A LI Yang %A ZHANG Duo-kun %A YOU Hong-jian %A
田兆申 %A 李杨 %A 张多坤 %A 尤红建 %J 遥感技术与应用 %D 2008 %I %X This paper deals with locating the synthetic targets precisely and dynamically.Based on experiments,authors analyze common methods such as filtering,edge detection,sub-pixel edge localization and central localization and compare them according to precision and time efficiency.Furthermore,the performance of moment operators is improved.More importantly,the paper presents a scheme applied to the baseline determination of dual- antenna InSAR.The new scheme consists of target matching,segmentation,noisy filtering,edge coarse localization,sub-pixel localization and central localization.The aim of 0.05 pixel' accuracy and 50ms' period is achieved.The experiments indicate that the algorithm proposed is anti-noise outstandingly and more applicable to the complicated circumstance of the outer space. %K Dual-antenna InSARzz %K Sub-pixelzz %K Edge localizationzz %K Central localizationzz
双天线干涉SAR %K 亚像素 %K 边缘定位 %K 中心定位 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=6F56B81324C1B239DA82AE08A4344F0C&aid=CBEAB85BD9FA060D9E7343994C941489&yid=67289AFF6305E306&vid=EA389574707BDED3&iid=94C357A881DFC066&sid=FD207D3C5E9776FA&eid=B34BDD6A690A04C0&journal_id=1004-0323&journal_name=遥感技术与应用&referenced_num=0&reference_num=12