matlab车牌识别程序代码.docx
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matlab车牌识别程序代码.docx
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%车牌识别程序主体
clc;closeall;clearall;
%==========================================================
%说明:
%
%
%===========================================================
%==============测定算法执行的时间,开始计时=================tic %%%%%记录程序运行时间
%=====================读入图片================================
[fn,pn,fi]=uigetfile('*.jpg','选择图片');I=imread([pnfn]);
figure;imshow(I);
title('原始图像');%显示原始图像
chepailujing=[pnfn]I_bai=I;
[PY2,PY1,PX2,PX1]=caitu_fenge(I);
%I=rgb2hsv(I);
%[PY2,PY1,PX2,PX1]=caitu_tiqu(I,I_bai);%用HSI模型识别蓝色,用rgb模型识别白色
%================分割车牌区域=================================
%===============车牌区域根据面积二次修正======================
[PY2,PY1,PX2,PX1,threshold]=SEC_xiuzheng(PY2,PY1,PX2,PX1);
%==============更新图片=============================
Plate=I_bai(PY1:
PY2,PX1:
PX2,:
);%使用caitu_tiqu
%==============考虑用腐蚀解决蓝色车问题=============
bw=Plate;figure,imshow(bw);title('车牌图像');%hsv彩图提取图像
%==============这里要根据图像的倾斜度进行选择这里选择的图片20090425686.jpg
bw=rgb2gray(bw);figure,imshow(bw);title('灰度图像');
%================倾斜校正======================
qingxiejiao=rando_bianhuan(bw)
bw=imrotate(bw,qingxiejiao,'bilinear','crop');figure,imshow(bw);title('倾斜校正');%取值为负值向右旋转
%==============================================
bw=im2bw(bw,graythresh(bw));%figure,imshow(bw);bw=bwmorph(bw,'hbreak',inf);%figure,imshow(bw);
bw=bwmorph(bw,'spur',inf);%figure,imshow(bw);title('擦除之前');
bw=bwmorph(bw,'open',5);%figure,imshow(bw);title('闭合运算');
bw=bwareaopen(bw,threshold);figure,imshow(bw);title('擦除');
%==================加入进度条================================
%h=waitbar(0,'程序运行中,请稍等 ')
%fori=1:
10000
% waitbar(i/5000,h)
%end
%close(h);
%wavplay(wavread('程序运行中.wav'),22000);
%==========================================================
bw=~bw;figure,imshow(bw);title('擦除反色');
%=============对图像进一步裁剪,保证边框贴近字体===========
bw=touying(bw);figure;imshow(bw);title('Y方向处理');bw=~bw;
bw=bwareaopen(bw,threshold);
bw=~bw;%figure,imshow(bw);title('二次擦除');
[y,x]=size(bw);%对长宽重新赋值
%=================文字分割=================================
fenge=shuzifenge(bw,qingxiejiao)[m,k]=size(fenge);
%=================显示分割图像结果=========================
figure;
fors=1:
2:
k-1
subplot(1,k/2,(s+1)/2);imshow(bw(1:
y,fenge(s):
fenge(s+1)));
end
%================给七张图片定位===============桂AV6388
han_zi =bw(1:
y,fenge
(1):
fenge
(2));
zi_mu =bw(1:
y,fenge(3):
fenge(4));zm_sz_1=bw(1:
y,fenge(5):
fenge(6));zm_sz_2=bw(1:
y,fenge(7):
fenge(8));shuzi_1=bw(1:
y,fenge(9):
fenge(10));shuzi_2=bw(1:
y,fenge(11):
fenge(12));shuzi_3=bw(1:
y,fenge(13):
fenge(14));
%==========================识别====================================
%======================把修正数据读入==============================
xiuzhenghanzi= imresize(han_zi,[11055],'bilinear');xiuzhengzimu = imresize(zi_mu, [11055],'bilinear');xiuzhengzm_sz_1= imresize(zm_sz_1,[11055],'bilinear');xiuzhengzm_sz_2=imresize(zm_sz_2,[11055],'bilinear');xiuzhengshuzi_1=imresize(shuzi_1,[11055],'bilinear');xiuzhengshuzi_2=imresize(shuzi_2,[11055],'bilinear');xiuzhengshuzi_3=imresize(shuzi_3,[11055],'bilinear');
%============把0-9,A-Z以及省份简称的数据存储方便访问====================
hanzishengfen=duquhanzi(imread('cpgui.bmp'),imread('cpguizhou.bmp'),imread('cpjing.bmp'),imread('cpsu.bmp'),imread('cpyue.bmp'));
%因数字和字母比例不同。
这里要修改shuzizimu=duquszzm(imread('0.bmp'),imread('1.bmp'),imread('2.bmp'),imread('3.bmp'),imread('4.bmp'),...
imread('5.bmp'),imread('6.bmp'),imread('7.bmp'),imread('8.bmp'),imread('9.bmp'),...
imread('10.bmp'),imread('11.bmp'),imread('12.bmp'),imread('13.bmp'),imread('14.bmp'),...
imread('15.bmp'),imread('16.bmp'),imread('17.bmp'),imread('18.bmp'),imread('19.bmp'),...
imread('20.bmp'),imread('21.bmp'),imread('22.bmp'),imread('23.bmp'),imread('24.bmp'),...
imread('25.bmp'),imread('26.bmp'),imread('27.bmp'),imread('28.bmp'),imread('29.bmp'),...
imread('30.bmp'),imread('31.bmp'),imread('32.bmp'),imread('33.bmp'));
zimu =
duquzimu(imread('10.bmp'),imread('11.bmp'),imread('12.bmp'),imread('13.bmp'),imread('14.bmp'),...
imread('15.bmp'),imread('16.bmp'),imread('17.bmp'),imread('18.bmp'),imread('19.bmp'),...
imread('20.bmp'),imread('21.bmp'),imread('22.bmp'),imread('23.bmp'),imread('24.bmp'),...
imread('25.bmp'),imread('26.bmp'),imread('27.bmp'),imread('28.bmp'),imread('29.bmp'),...
imread('30.bmp'),imread('31.bmp'),imread('32.bmp'),imread('33.bmp'));shuzi =
duqushuzi(imread('0.bmp'),imread('1.bmp'),imread('2.bmp'),imread('3.bmp'),imread('4.bmp'),...
imread('5.bmp'),imread('6.bmp'),imread('7.bmp'),imread('8.bmp'),imread('9.bmp'));
%============================识别结果================================
i=1;%shibiezm_sz该函数识别数字有问题
jieguohanzi =shibiehanzi(hanzishengfen,xiuzhenghanzi);shibiejieguo(1,i)=jieguohanzi; i=i+1;jieguozimu =shibiezimu(zimu,xiuzhengzimu); shibiejieguo(1,i)=jieguozimu;i=i+1;
jieguozm_sz_1= shibiezm_sz(shuzizimu,xiuzhengzm_sz_1); shibiejieguo(1,i)
=jieguozm_sz_1;i=i+1;
jieguozm_sz_2= shibiezm_sz(shuzi
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