生物特征识别技术手指静脉识别技术_余成波

利用自适应算法matlab程序来处理图像，弥补了直方图均衡化的缺点(Adaptive algorithm matlab program to process images, to make up for the shortcomings of the histogram equalization)

基于分数阶微分的图像增强技术，代码可以根据图像的梯度信息，更好地增强图像的高频部分，非线性地保留低频部分。(Fractional differential enhancement technology-based image code according to the gradient information of the image can better enhance the high frequency part of the image, to retain the low-frequency part of the non-linear.)

图像相似性检测的PPT，比较全面的总结，对主要用到的特征提取和特征匹配算法都有基本的介绍。(Image similarity detection of PPT, a more comprehensive summary of the main use of the feature extraction and feature matching algorithm has the basic The introduction.)

一个选择模板的匹配方式，附带视觉标定,可以自由的选择模板进行匹配(A matching pattern of selected templates with visual calibration)

图象的直方图处理及全尺度变换和各种性能指标的计算，如psnr,mse等(image histogram processing and full scale transformation and various performance indicators, such as psnr, mse etc.)

基于梯度下降的稀疏约束 NMF 算法(NMFsc)，之前pudn上也有类似的，但缺少一个程序，这里面都包括了 (Based on gradient descent sparse constraint NMF algorithm (NMFsc), before the pudn has a similar, but the lack of a program, there are included)

说明：  利用matlab计算时间序列间的DTW距离(Using MATLAB to calculate DTW distance between time series)

说明：  使用贝叶斯算法进行图像分割，迭代法寻找最佳阈值(Bayesian algorithm is used for image segmentation, and iterative method is used to find the best threshold)

利用背景减除法进行运动前景分割，而后利用归一化RGB颜色空间进行阴影减除，利用连通域进行滤澡，对每一帧进行运动前景提取。(Motion detection by background subtraction and RGB shadow removing method.)

彩色车牌的一种新的阈值分割算法的实现,可以参考实现其他型状的彩色分割 (color plates of a new threshold segmentation algorithm achieved, we can make reference to the achievement of other shapes color segmentation)