一、简介
模型参考这里。
二、源代码
clear;
close all;
figure
w=0;
text11='指纹1';text12='指纹 2';
h=uicontrol('Style','pushbutton','String','开始','Callback','image1=scanimage;image2=scanimage;subplot(2,2,1);imagesc(image1);title(text11);subplot(2,2,2);imagesc(image2);title(text12);colormap(gray);','Position',[0,10,80,20]);
%text='Please input the block size';
%h=uicontrol('Style','pushbutton','String','二值化','Callback','W=inputdlg(text);
%W=str2num(char(W));subplot(2,2,3);o1=thres(image1,W);title(text21);subplot(2,2,4);o2=thres(image2,W);title(text22);','Position',[100,10,80,20]);
function out=thinning5(in)
%initial index table
%index=[0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0];
%new index table
%index=[0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0];
out=in;
index=[1 0 0 1 0 0 1 1 0 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 0 1 1 0 0 1 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0];
[width,height]=size(in);
length=width*height;
for i=2:width-2
for j=2:height-2
if out(i,j)==1
num= out(i-1,j-1)+out(i-1,j) * 2+out(i-1,j+1) * 4+out(i,j+1) * 8+out(i+1,j+1) * 16+out(i+1,j) * 32+out(i+1,j-1) * 64 + out(i,j-1) * 128;
if index(num+1)==1
out(i,j)=0;
end
if num==74
out(i,j+1)=0;
out(i+1,j+1)=0;
end
if num==146
out(i-1,j)=0;
out(i-1,j+1)=1;
end
if num==164
out(i-1,j-1)=1;
out(i,j-1)=0;
end
if num==41
out(i+1,j-1)=1;
out(i+1,j)=0;
end
%保留模板
if out(i-1,j)==1 & out(i-1,j+2)==0 &out(i,j-1)==0 &out(i,j+1)==1 &out(i,j+2)==0 & out(i+1,j)==1 & out(i+1,j+2)==0
out(i,j)=1;
end
if out(i-1,j+1)==0 &out(i-1,j+2)==0 &out(i,j-1)==0 & out(i,j+1)==1 & out(i,j+2)==0 & out(i+1,j+1)==1
out(i,j)=1;
if num==120 & out(i-1,j+2)==0 & out(i+1,j+2)==1 &out(i+2,j-1:j+2)==[1 1 1 1]
out(i,j)=0;
end
end
if out(i-1,j+1)==1 & out(i,j-1)==0 & out(i,j+1)==1 &out(i,j+2)==0 & out(i+1,j+1)==0 out(i+1,j+2)==0
out(i,j)=1;
end
if out(i-1,j)==0 & out(i,j-1)==1 & out(i,j+1)==1 & out(i+1,j)==1 &out(i+2,j-1)==0 & out(i+2,j)==0 & out(i+2,j+1)==0
out(i,j)=1;
end
if out(i-1,j)==0 & out(i+1,j-1)==1 & out(i,j+1)==1 & out(i+1,j+1)==0 & out(i+2,j)==0 & out(i+2,j+1)==0
out(i,j)=1;
if num==225 & out(i-1,j+2)==0 & out(i,j+2)==0 & out(i+1,j+2)==0 & out(i+2,j-1:j+2)==[1 0 0 0]
out(i,j)=0;
end
end
if out(i-1,j)==0 &
out(i+1,j-1)==0 & out(i+1,j)==1 & out(i+1,j+1)==1 & out(i+2,j-1)==0 & out(i+2,j)==0
out(i,j)=1;
if num==60 & out(i-1,j+2)==1 & out(i,j+2)==1 & out(i+1,j+2)==1 & out(i+2,j-1:j+2)==[0 0 1 1]
end
end
end
三、运行结果
四、参考文献
[1]王崇文, 李见为, 周宏文,等. 指纹识别系统的设计与实现[J]. 计算机应用, 2001(12):63-65.
五、代码下载
获取代码方式1：
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