指纹识别预处理程序,我自己写的，希望多多指教。

对图像进行边缘提取，采用canny算子提取边缘-The image edge extraction, edge extraction using canny operator

MATLAB给图像添加高斯、椒盐、加性及乘性噪声(噪声生成)源代码Free Source Code for Adds diferent types of noise to an image-MATLAB add to the image Gaussian, salt and pepper, additive and multiplicative noise (noise generated) source code Free Source Code for Adds diferent types of noise to an image

对比度拉伸，对原始图像进行对比度拉伸，从而得到拉伸后的图像-tensile contrast, the original image contrast stretching, and thus drawing the images

MPEG4格式编解码C源代码，比较复杂，需要对MPEG4格式有所了解。-MPEG4 format codecs C source code, more complicated, we need to understand the MPEG4 format.

hough变换的一些经典文章，可供参考。-hough transform a number of articles for reference.

画roc曲线的matlab程序，roc曲线又称操作特性曲线 程序注释很详细-Roc curve matlab painting process, roc curve, also known as operating characteristic curve procedures in great detail the Notes

本目录存放的是第2章文档的程序源代码，子目录说明： wvltlib 中存放的一些基本的小波基定义和相关库函数； wvltwrefine 中存放的是小波基细化的程序代码； wvltwxfrm 中存放的是一维小波变换的数学实现-Catalog store is the first of the two chapters of the document source code, subdirectories : wvlt lib stored in the basic definition of small Porgy and related library functions; wvlt wrefine stored in the small Porgy sophisticated code; wvlt wxfrm is stored in the wavelet transform one-dimensional mathematical achievement

简单的图像处理小程序，非常好用，简单实用对于初学者有借鉴价值。-Simple image processing applet, very easy to use, simple and practical value for the reference for beginners.

application that can process some simple image

用IDL语言写的DICOM医学影像文件浏览程序-IDL language used to write the DICOM medical image file browser program