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Matlab 字符搜索

clc;

clear;

Bs=[];

for i=1:1000

picnames=[‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(i),‘.bmp‘];

IIs=imread(picnames);

%ps=imresize(IIs,[100,100]);

%n=rgb2gray(p);

As=double(IIs(:));

Bs=[Bs,As];

end

[U,D,V]=svd(Bs);

k=16;

U1=U(:,1:k);

B1s=U1‘*Bs;

for searchs=1:10

Cs=imread([‘/Users/xuhonghui/Desktop/searchchar/‘,num2str(searchs),‘.bmp‘]);

%C1s=imresize(Cs,[100,100]);

%n1=rgb2gray(C1);

C2s=double(Cs(:));

C3s=U1‘*C2s;

%B2=sign(B1);

%C4=sign(C3);

Ds=[];

for j=1:400

    temp=abs(norm(B1s(:,j))-norm(C3s));

    Ds=[temp,Ds];

end

%E=sum(D,2);

[ys,IS]=sort(Ds);

Ys1=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(1)),‘.bmp‘]);

Ys2=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(2)),‘.bmp‘]);

Ys3=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(3)),‘.bmp‘]);

Ys4=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(4)),‘.bmp‘]);

Ys5=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(5)),‘.bmp‘]);

Ys6=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(6)),‘.bmp‘]);

Ys7=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(7)),‘.bmp‘]);

Ys8=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(8)),‘.bmp‘]);

Ys9=imread([‘/Users/xuhonghui/Desktop/imagechar/‘,num2str(IS(9)),‘.bmp‘]);

figure;

subplot(4,3,1),imshow(Cs);

subplot(4,3,4),imshow(Ys1);

subplot(4,3,5),imshow(Ys2);

subplot(4,3,6),imshow(Ys3);

subplot(4,3,7),imshow(Ys4);

subplot(4,3,8),imshow(Ys5);

subplot(4,3,9),imshow(Ys6);

subplot(4,3,10),imshow(Ys7);

subplot(4,3,11),imshow(Ys8);

subplot(4,3,12),imshow(Ys9);

end 

 

Matlab 字符搜索