摘要
增强Lee滤波算法能够较好地滤除影响SAR景象匹配性能的相干斑噪声,是一种非常有效的SAR图像预处理方法。为了提高图像处理算法在硬件上实现的实时性,本文根据FPGA编程特点,对增强Lee滤波计算过程进行优化,并利用硬件描述语言完成了增强Lee滤波在FPGA中的实现。实际工程应用表明,此种方法能够快速实现SAR图像相干斑噪声的滤除,同时保证了SAR景象匹配算法的实时性。
The enhanced Lee filter is used to filter the spot noise that affects the performance of SAR image matching,which is an effective pre-processing method for SAR images.In order to improve the efficiency of pre-processing algorithms,it is optimized and implemented according to the characteristics of FPGA design.The experiments show that the spot noise of SAR image can be removed and the higher rapidity can be achieved.
出处
《航天控制》
CSCD
北大核心
2011年第3期33-36,42,共5页
Aerospace Control
基金
总装精导课题
