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说明：  三步法，四步法算相位主值，相位展开，相位测量轮廓术Phase Measurement Profilometry（PMP）+相移方法Phase Shifting Method的matlab代码实现(Three step, four step method to calculate the phase principal value, phase unwrapping)

matlab　ＰＣＡ源代码 有中文注释(source code matlab PCA has Chinese Notes)

计算Zernike矩，对图像进行了平移，尺度归一化(Computing Zernike moments, the image of the translation, scaling normalization)

说明：  共享主成份尺度不变变换PCA-SIFT代码，用于SAR图像配准，希望对各位雷达爱好者和SAR工作者有用！(Principle component analysis, PCA- Scale invariant feature transform-SIFT used for SAR processing. )

对比两个图片归一化直方图对比相似度,用巴氏距离计算(Contrast similarity)

说明：  在我们的移动端开发中，需要用到折线图，本篇内容就是用flutter写的一个折线图例程。(In the development of our mobile terminal, we need to use the line chart. This article is a line chart routine written by flutter.)

说明：  对文字识别并计算7个不变矩的matlab源程序(right words to identify and calculate seven unchanged Moments Matlab source)

通过PCA+Retinex对图像进行图像增强处理(Image enhancement processing by PCA+Retinex)

Laplacian pyramid方法的matlab程序代码，对用Laplacian pyramid多尺度方法的同志肯定有用(Laplacian pyramid of Matlab code, Laplacian pyramid with the multi-scale approach certainly useful comrades)

基于Hough 变换的SAR 图像舰船尾迹检测方法。该文引进了K均值聚类方法,将这些点集归类,归类后的每一类的类心能很好的代表一条尾迹,实验结果表明方法是有效的。(Hough transform based on SAR images of ship wake detection. The introduction of the K-means clustering method to classify these points, is classified in each category after the class on behalf of the heart can be a good wake, experimental results show that the method is effective.)