在数字图像处理中，用kl变换对特征值提取与选择-In digital image processing, using kl transform eigenvalue extraction and selection

KL变换的Matlab实现 KL 变换是图像正交变换的一种，在图像压缩领域有着广泛应用。-KL Transform Matlab realize KL transform is a kind of orthogonal transformation image in the field of image compression have broad application.