The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
A Novel Method for Ship Detection in SAR Images
Author(s): 
Pages: 50-56
Year: Issue:  1
Journal: JOURNAL OF REMOTE SENSING

Keyword:  SARCFAR船只检测高斯分布;
Abstract: 提出一种新的基于恒虚警率(CFAR-Constant False Alarm Rate)技术,确定SAR图像中检测船只整体阈值的方法.该方法采用高斯分布(正态分布)作为SAR图像灰度的概率密度函数,由CFAR技术直接导出用于检测船只整体阈值的计算公式,用记数滤波器滤波去除虚警.该算法避免了复杂公式迭代和求解形状参数计算过程,也避免了用二分法寻找阈值的循环解算过程,提高了检测速度.使用X-SAR和ERS SAR图像对该算法进行检验,并与其它算法进行比较,结果显示所提出的算法在检测精度和检测速度上都有明显的改进.
Related Articles
loading...