matlab车牌识别程序代码

% 车牌识别程序主体 clc; close all; clear all;

%========================================================== %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([pn fn]); figure; imshow(I);

title('原始图像');%显示原始图像

chepailujing=[pn fn] 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');

');闭合运算bw=bwmorph(bw,'open',5);%figure,imshow(bw);title(' 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......') % for i=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; for s=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, [110 55],'bilinear'); xiuzhengzimu = imresize(zi_mu, [110 55],'bilinear'); xiuzhengzm_sz_1= imresize(zm_sz_1,[110 55],'bilinear'); xiuzhengzm_sz_2 = imresize(zm_sz_2,[110 55],'bilinear'); xiuzhengshuzi_1 = imresize(shuzi_1,[110 55],'bilinear'); xiuzhengshuzi_2 = imresize(shuzi_2,[110 55],'bilinear'); xiuzhengshuzi_3 = imresize(shuzi_3,[110 55],'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'),im

read('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(shuzizimu,xiuzhengzm_sz_2); shibiejieguo(1,i) =jieguozm_sz_2;i=i+1;

jieguoshuzi_1= shibieshuzi(shuzi,xiuzhengshuzi_1); shibiejieguo(1,i) =jieguoshuzi_1;i=i+1; jieguoshuzi_2= shibieshuzi(shuzi,xiuzhengshuzi_2); shibiejieguo(1,i) =jieguoshuzi_2;i=i+1; jieguoshuzi_3= shibieshuzi(shuzi,xiuzhengshuzi_3); shibiejieguo(1,i) =jieguoshuzi_3;i=i+1; %==========================对话框显示显示============================================= shibiejieguo

===============后面的注释掉了（语音读出这一部分）%%%%========