雷达学报Issue(1)：78-84,7.DOI:10.3724/SP.J.1300.2014.13154
SAR和光学图像精配准技术的研究
Investigation on Fine Registration for SAR and Optical Image
摘要
Abstract
The registration of SAR and optical remote sensing image is the basise for fusing of multi-source image and comprehensive analysis. In this paper a new fine registration method for SAR and optical image is proposed. Firstly, three to four corresponding points are selected manually to realize a coarse registration that eliminates the differences in scale and rotation. Many characteristic points in the optical image are detected and the corresponding points in SAR image are extracted using normalized gradient correlations based on the different gradients by operators. An irregular triangle network is constructed using these corresponding points and each triangle region is finely registered. Finally SAR image and optical image are finely registered. Experiment and processed results demonstrate the feasibility of this method.关键词
SAR图像/光学图像/梯度强度/精配准/归一化互相关(NCC)Key words
SAR image/Optical image/Gradient intensity/Fine registration/Normalized Cross Correlation (NCC)分类
数理科学引用本文复制引用
尤红建,胡岩峰..SAR和光学图像精配准技术的研究[J].雷达学报,2014,(1):78-84,7.基金项目
国家重大型号工程项目资助课题 （）
