MATLAB代做|FPGA代做--识别算法的matlab仿真

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MATLAB程序下载——一基于MATLAB的EMD算法的仿真程序。

% license plate recognition - car plate location based on color model

% modified by KouLiangzhi, Oct 10th,2007

clc;

clear;

close all

I=imread('Car.jpg');

[y,x,z]=size(I);

myI=double(I);

%%%%%%%%%%% 统计分析 %%%%%%%%%%%%%%%

%%%%%%%% Y 方向 %%%%%%%%%%

Blue_y=zeros(y,1);

for i=1:y

    for j=1:x

            if((myI(i,j,1)<=121)&&myI(i,j,1)>=110&&((myI(i,j,2)<=155)&&(myI(i,j,2)>=141))&&((myI(i,j,3)<=240)&&(myI(i,j,3)>=210))) 

% 蓝色RGB的灰度范围

               Blue_y(i,1)= Blue_y(i,1)+1;     % 蓝色象素点统计          

           end  

    end       

end

[temp MaxY]=max(Blue_y);        % Y方向车牌区域确定

PY1=MaxY;

while ((Blue_y(PY1,1)>=5)&&(PY1>1))

       PY1=PY1-1;

end    

PY2=MaxY;

while ((Blue_y(PY2,1)>=5)&&(PY2<y))

       PY2=PY2+1;

end

IY=I(PY1:PY2,:,:);

%%%%%%%% X 方向 %%%%%%%%%% 

Blue_x=zeros(1,x);             % 进一步确定X方向的车牌区域

for j=1:x

    for i=PY1:PY2

            if((myI(i,j,1)<=121)&&myI(i,j,1)>=110&&((myI(i,j,2)<=155)&&(myI(i,j,2)>=141))&&((myI(i,j,3)<=240)&&(myI(i,j,3)>=210))) 

               Blue_x(1,j)= Blue_x(1,j)+1;               

           end  

    end       

end

PX1=1;

while ((Blue_x(1,PX1)<3)&&(PX1<x))

       PX1=PX1+1;

end    

PX2=x;

while ((Blue_x(1,PX2)<3)&&(PX2>PX1))

       PX2=PX2-1;

end

PX1=PX1+17;

PX2=PX2-1;

PY1=PY1+5;

PY2=PY2-2; % 对车牌区域的修正

Plate=I(PY1:PY2,PX1:PX2,:);

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

figure,imshow(Plate);

m=PX2-PX1;

n=PY2-PY1;

S=ones(n,m);

for j=1:m

    for i=1:n

            if((Plate(i,j,1)<=121)&&Plate(i,j,1)>=110&&((Plate(i,j,2)<=155)&&(Plate(i,j,2)>=141))&&((Plate(i,j,3)<=240)&&(Plate(i,j,3)>=210))) 

               S(i,j)=0;        

           end  

    end       

end 

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