PCA

说明：  图像的DCT变换 提取高频分量 和低频分量 (DCT change)

FDK最小角度重建，基于parker加权的投影数据处理实现的最小角度重见(FDK minimum angle reconstruction, the minimum angle parker weighted projection data processing based on the realization Shigemi)

模拟圆管焊接时的移动热源，热源模型为双椭球热源，运动轨迹为环形(Simulated moving heat source pipe welding heat source model for the double ellipsoid heat source, an annular trajectory)

实现一个简单的PCA降维与重构程序，用到的数据在.txt文件中。还有用于测试的.m文件(To achieve a simple PCA dimension reduction and reconstruction procedures)

利用正则化方法对模糊图像进行恢复的算法，产生一幅图象，然后加入噪声后对特定的输入正则化参数其进行图象恢复。(The use of regularization method for the restoration of blurred images of the algorithm, resulting in an image, and then adding noise to the input of specific parameters of regularization to restore its image.)

个人写的2dpca算法，希望对大家有用。如有问题，希望联系fnger@163.com(Personal written 2dpca algorithm, useful for all of us hope. If you have any questions, wish to contact fnger@163.com)

基于信息熵的迭代法求最佳阈值，并附参考论文及KSW熵法求阈值的程序。两个程序经实验测试通过无误。(Entropy-based iterative method for optimal threshold, together with reference papers and KSW entropy threshold method procedures. Two experimental test procedures correctly.)

基于矢量匹配法的快速实现程序，工程中较常用(Vector-based matching method for the rapid realization process, more commonly used engineering)

KPCA是一种PCA的改进方法,很值得一看,很实用!(KPCA is an improved method of PCA, it is worth a visit, it is useful!)

采用matlab代码进行超像素分割，可以很好使用，效果好(Super-pixel segmentation using matlab code can be used well and the effect is good.)