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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