pca lda knn 进行分类的pca部分的代码-pca lda knn classification of the pca part of the code

自己写的基于朱虹老师的数字图像处理的课程的一些MATLAB代码，主要有基于双线性差值的放大和旋转，直方图均衡化，临近差值，Knn去噪，线性展宽，中值滤波-Write your own based on some MATLAB code Course teacher Zhu Hong digital image processing, mainly based on the zoom and rotation bilinear difference, histogram equalization,