how to make the image suitable for recognition using hit or mis

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annmaria 2015-7-15

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链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/229992-how-to-make-the-image-suitable-for-recognition-using-hit-or-mis

X=imread('testimage1.bmp');
%imshow(X)
%intrec(X)
%The digits found in the image are:
%0
%3
%5  
%--------------------------------------------------------------------------
%Authors: Jahanzeb Rajput and Mohammad Fahad
%Department of Electrical Engineering
%University of Engineering and Technology, Lahore, Pakistan.
%--------------------------------------------------------------------------
Z=X;
A= imread ('zero.bmp');
A=imresize(A,[41,35]);
A=bwmorph(A,'thin',26);
B= imread ('one.bmp');
C= imread ('two.bmp');
D= imread ('three.bmp');
E= imread ('four.bmp');
F= imread ('five.bmp');
G= imread ('six.bmp');
H= imread ('seven.bmp');
I= imread ('eight.bmp');
J= imread ('nine.bmp');
%SE 2
SE = strel('square',3);
K=imdilate(A,SE);A2=K-A;
L=imdilate(B,SE);B2=L-B;
M=imdilate(C,SE);C2=M-C;
N=imdilate(D,SE);D2=N-D;
O=imdilate(E,SE);E2=O-E;
P=imdilate(F,SE);F2=P-F;
Q=imdilate(G,SE);G2=Q-G;
R=imdilate(H,SE);H2=R-H;
S=imdilate(I,SE);I2=S-I;
T=imdilate(J,SE);J2=T-J;
%-------------------------
%Hit or Miss
%-------------------------
disp('The digits found in the image are:');
if ~isempty(nonzeros(bwhitmiss(Z,A,A2)))
  disp('0');
end
%imshow('num1.bmp') 
%U=bwhitmiss(Z,F,F2);
%figure
%imshow(U)
if ~isempty(nonzeros(bwhitmiss(Z,B,B2)))
    disp('1');
end
if ~isempty(nonzeros(bwhitmiss(Z,C,C2)))
   disp('2');
end
if ~isempty(nonzeros(bwhitmiss(Z,D,D2)))
    disp('3');
end
if ~isempty(nonzeros(bwhitmiss(Z,E,E2)))
   disp('4');
end
if ~isempty(nonzeros(bwhitmiss(Z,F,F2)))
   disp('5');
end
if ~isempty(nonzeros(bwhitmiss(Z,G,G2)))
   disp('6');
end
if ~isempty(nonzeros(bwhitmiss(Z,H,H2)))
   disp('7');
end
if ~isempty(nonzeros(bwhitmiss(Z,I,I2)))
   disp('8');
end
if ~isempty(nonzeros(bwhitmiss(Z,J,J2)))
   disp('9');
end
This code will work only the character
size of the integers present in the image should be exactly 26. How can we make the image as suitable for this. Example images shown here