ex_18_1

LK 和HS光流代码，初学者可用，带有误差分析(LK optical flow and the HS code is available for beginners, error analysis with)

使用双线性内插或二次曲面内插放大图像，然后使用彩色自蛇模型去除边缘模糊和锯齿效应(Using bilinear interpolation or quadratic surface interpolation to enlarge the image, then use the color removed from the snake model and the sawtooth effect of edge blur)

四步相移 多频外差 的matlab 理论演示(Four-step phase shift matlab theory demonstrates that multi-frequency heterodyne)

指纹分类是指纹准确识别的前提，该程序是指纹分类源码(Fingerprint classification is a prerequisite to accurately identify the fingerprint, fingerprint classification code of the program is)

用于图像拷贝检测的图像匹配，提取图像的SIFT特征点，构成图像的特征。(For image copy detection of image matching, image SIFT feature point extraction, and then sift feature point the image characteristics)

三边滤波器是在二边滤波器上做的改进，对图像处理有广泛的应用。(Trilateral filter is a filter on the two sides to make improvements on a wide range of image processing applications.)

通过dct的8*8块的变换量化操作结合水印生成水印图像，其中包含几种常见的攻击测试。(The program generates watermark image through DCT transform.)

说明：  可改变中心时移，相位，主频的雷克子波，自己在源程序上加减时间，改变主频，加减相位即可(ricker wavelet which time,phase and frequence can be changed )

说明：  随机森林的行人检测。针对视频和图像中快速、准确的行人检测问题,提出了一种分层次的、全局信息和局部信息相结合的行人检测算法。该方法以随机森林分类器为基础。(Pedestrian detection based on random forest)

利用PCA检测图像的复制粘贴区域。检测效果良好。(PCA was used to test digital image s copy and paste area.)