论文部分内容阅读
最小费用流法是基于网络流的相位解缠方法,解决了许多解缠方法无法消除相位噪声对高相干区域影响的问题,在此基础上,本文针对该方法解缠时速度较慢和对计算机性能要求较高的缺点而提出改进算法,即将干涉图像分为若干子区域分别进行处理,再利用基于Contourlet变换的超小波方法进行融合处理,最后用算例进行了验证,结果表明最小费用流法及其改进算法是一个较好的解缠方法。
The minimum cost flow method is based on the phase unwrapping method of network flow and solves the problem that many unwrapping methods can not eliminate the influence of phase noise on the high coherence area. On the basis of this, The improved algorithm is proposed, which is to divide the interference image into several sub-regions and process them separately. Then the fusion algorithm based on the Contourlet transform is used to deal with the fusion problem. At last, a numerical example is given to verify the algorithm. The results show that the minimum cost flow method And its improved algorithm is a better method of unwinding.