cfa_laroche

两个图像质量评价函数，psnr峰值信噪比，正则均方误差nmse，能可用于去噪图像和压缩图像的质量评价，很有用啊。(Two image quality evaluation of the function. Including psnr PSNR, it is mean-square error nmse other. Images can be used for de-noising and compression of image quality evaluation.)

自己实现的sift特征提取的matlab代码，可以计算特征描述子用于图像匹配，不过速度有点慢(Own implementation of sift feature extraction matlab code to calculate feature descriptors for image matching, but a bit slow)

完整实现Fisherface人脸识别，能够在AR、ORL、FERET等使用，采用彩色图像进行测试，实验效果好，有的能达到100 (This package implements a well-known FLD-based face recognition method, which is called Fisherface )

KI阈值算法，实现SAR图像变化检测时判别变化与非变化的区域所需要阈值的选取(the Kittler and Illingworth minimum-error thresholding algorithm)

说明：  一种改进的均值聚类算法，能很好的利用与图像分割技术(k-means cluster)

实现了在Winform中图片的拖拽移动及缩放，用到了PictureBox控件.

一种像素级指纹方向场估计算法以及对应的像素级奇异点检测算法。(A pixel-level orentation field estimation algorithm and the corresponding singular point detection method.)

实现图像下采样，实现的采样方法有最邻近采样法、二次插值法、双三次卷积法。(Image sampling, the sampling method to achieve the nearest neighbor sampling method, the quadratic interpolation, bicubic convolution.)

说明：  一种gamma校正的matlab的源代码(A gamma correction of the source code matlab)

多径条件下基于加权空间平滑的阵元幅相误差校正(Multipath based on weighted spatial smoothing array element amplitude and phase error correction)