基于FFT变换的载频图像信息提取及物体定位

摘要

采用Matlab软件对载频图像进行处理,通过FFT变换算法分析图像的频域分布,截取高频分量并仿真波的传播,提取出载频图像中包含的物体二维分布.利用图像分布定位物体并对分辨率进行分析,最后结合区域图像的变异系数变化曲线轴向定位物体.%Frequency carrying images are analyzed by using Matlab program,and the frequency distribution of the images is obtained based on FFT transform in this paper.The part of high frequency is used to make simulation of propagation process and to obtain the object distribution contained in the frequency carrying images.By the analysis of the images,the curve of the coefficient of variation is obtained to locate the axial position of the object.