指纹识别数字图像处理+模式识别+机器视觉+边缘检测

不可多得的指纹提取的好东东！压缩包内含有指纹图片预处理的完整文档，长达数页。同时，附有全套的程序代码，由matlab写成。程序中含有近十种边缘检测算法的实现，非常有用。

function mm=main（imageFile）
%创建显示窗口
figuretitle（‘运用各种方法检测物体所在区域‘）;
subplot（341）imshow（imageFile）title（‘原图‘）;
hold on;
%循环显示窗体，直到点击“exit”退出
while（true）
    %创建菜单，循环显示，直到点击“退出”按钮
    choice=menu（‘点击按钮进行区域检测‘...
                ‘边缘检测（roberts算子）‘‘边缘检测（sobel算子）‘‘边缘检测（prewitt算子）‘...
                ‘边缘检测（log算子）‘‘边缘检测（canny算子）‘‘边缘检测（zerocross算子）‘...
                ‘迭代法（循环阈值）‘‘双峰法（直方图输入阈值）‘‘大津法‘...
                ‘四叉树‘‘手动输入阈值‘‘exit‘）;

    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    %执行roberts算子检测物体边缘
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    if（choice==1）
        %读入图片
        I=imread（imageFile）;
        %灰度化
        try
            I=rgb2gray（I）;
        end
        [Ethresh]=edge（I‘roberts‘）;%分割区域
        str=‘roberts算子：‘;
        str=strcat（strnum2str（thresh））;
        subplot（342）imshow（E）title（str）;
    end
    
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    %执行sobel算子检测物体边缘
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    if（choice==2）
        %读入图片
        I=imread（imageFile）;
        %灰度化
        try
            I=rgb2gray（I）;
        end
        [Ethresh]=edge（I‘sobel‘）;%分割区域
        str=‘sobel算子：‘;
        str=strcat（strnum2str（thresh））;
        subplot（343）imshow（E）title（str）;
    end
    
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    %执行prewitt算子检测物体边缘
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    if（choice==3）
        %读入图片
        I=imread（imageFile）;
        %灰度化
        try
            I=rgb2gray（I）;
        end
        [Ethresh]=edge（I‘prewitt‘）;%分割区域
        str=‘prewitt算子：‘;
        str=strcat（strnum2str（thresh））;
        subplot（344）imshow（E）title（str）;
    end
    
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    %执行log算子检测物体边缘
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     if（choice==4）
        %读入图片
        I=imread（imageFile）;
        %灰度化
        try
            I=rgb2gray（I）;
        end
        [Ethresh]=edge（I‘log‘）;%分割区域
        str=‘log算子：‘;
        str=strcat（strnum2str（thresh））;
        subplot（345）imshow（E）title（str）;
     end
    
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    %执行canny算子检测物体边缘
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    if（choice==5）
        %读入图片
        I=imread（imageFile）;
        %灰度化
        try
            I=rgb2gray（I）;
        end
        [Ethresh]=edge（I‘canny‘）;%分割区域
        str=‘canny算子：‘;
        str=strcat（strnum2str（thresh））;
        subplot（346）imshow（E）title（str）;
    end
    
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    %执行zerocross算子检测物体边缘
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

 属性            大小     日期    时间   名称
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     文件     516750  2012-07-18 22:36  2120090356_苑爱泉_机器视觉第三次作业_指纹\作业报告.pdf

     文件     132978  2007-10-18 10:48  2120090356_苑爱泉_机器视觉第三次作业_指纹\作业要求\Homework（3）.pdf

     文件     693432  2009-11-11 16:35  2120090356_苑爱泉_机器视觉第三次作业_指纹\参考资料\机器视觉（3）.pdf

     文件      56249  2004-03-17 12:52  2120090356_苑爱泉_机器视觉第三次作业_指纹\程序\fingerprint.jpg

     文件      12690  2009-11-24 18:40  2120090356_苑爱泉_机器视觉第三次作业_指纹\程序\fingerprint1.jpg

     文件       9225  2009-11-24 20:30  2120090356_苑爱泉_机器视觉第三次作业_指纹\程序\main.asv

     文件       9608  2009-11-24 21:05  2120090356_苑爱泉_机器视觉第三次作业_指纹\程序\main.m

     文件        107  2009-11-25 14:00  2120090356_苑爱泉_机器视觉第三次作业_指纹\说明文档.txt

     目录          0  2012-07-18 22:36  2120090356_苑爱泉_机器视觉第三次作业_指纹\作业要求

     目录          0  2012-07-18 22:36  2120090356_苑爱泉_机器视觉第三次作业_指纹\参考资料

     目录          0  2012-07-18 22:36  2120090356_苑爱泉_机器视觉第三次作业_指纹\程序

     目录          0  2012-07-18 22:36  2120090356_苑爱泉_机器视觉第三次作业_指纹

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