中文说明： 完整的图像处理课设，包含所有源代码，汽车图像，现代信号处理中谱估计在matlab中的使用，可以提取一幅图中想要的目标，已调制信号计算其普相关密度，利用自然梯度算法，多元数据分析的主分量分析投影。
English Description：
Complete image processing course, containing all of the source code, image, of modern spectral estimation in signal processing in MATLAB, you can extract the desired target in a picture has been calculated using relative density modulation signal using natural gradient algorithm and principal component analysis of multivariate data analysis project.