sar图像下基于hough变换的机场跑道识别系统，首先对图像进行了灰度缩放拉伸并进行了二值化分割和数学形态学滤波等预处理，再以改进的hough变换进行提取，系统完备-sar images hough transform based on the airport runway identification system, first of all, the gray-scale image zoom and a tensile binarization segmentation and mathe