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i_segkar.m
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function opt=i_segkar(inpt_image)
%
line_no = 1;
word_no = 1;
char_no = 1;
%
b=inpt_image;
q = 0;
[m n]=size(b);
l=1;
u=zeros(1,400);
for i=1:m
if (sum(b(i,:)) < n)
u(1,l)=i;
l=l+1;
end;
end
h=zeros(1,m);
h(1,1)=u(1,1);
j=2;
for i=2:m-1
if ((u(1,i+1)-u(1,i)) > 1)
h(1,j)=u(1,i);
j=j+1;
h(1,j)=u(1,i+1);
j=j+1;
end;
if(u(1,i)==0)
break;
end;
end;
h(1,j)=u(1,i-1);
for line_no = 1 : 2 : 9
c=zeros(h(1,line_no+1)-h(1,line_no)+1,n);
j=1;
if h(1,line_no) ~= 0
for i=h(1,line_no):h(1,line_no+1)
c(j,:) = b(i,:);
j = j+1;
end;
h(1,j)=u(1,i-1);
end;
l=1;
u=zeros(1,1000);
for i=1:n
if (sum(c(:,i)) < (h(1,line_no+1)-h(1,line_no)+1))
u(1,l)=i;
l=l+1;
end;
end
k=zeros(1,n);
k(1,1)=u(1,1);
j=2;
for i=2:n-1
if(u(1,i)==0)
break;
end;
if ((u(1,i+1)-u(1,i)) > 1)
k(1,j)=u(1,i);
j=j+1;
k(1,j)=u(1,i+1);
j=j+1;
end;
end;
k(1,j)=u(1,i-1);
for word_no = 1 : 2 : 19
d=zeros(h(1,line_no+1)-h(1,line_no)+1,k(1,word_no+1)-k(1,word_no)+1);
i=k(1,word_no);
if i ~= 0
for j=1:k(1,word_no+1)-k(1,word_no)+1
d(:,j) = c(:,i);
i = i+1;
end;
%end;
%eliminate shirolekha
[x_shiro y_shiro]=size(d);
new1 = 1*x_shiro/5;
lekhaless=zeros(x_shiro,y_shiro);
for i=1:x_shiro;
for j=1:y_shiro;
if (i >=1 && i < new1) % ||
%if( sum(d(i,:))< 1*(y_shiro-y_shiro/2));
lekhaless(i,:)=1;
else
lekhaless(i,j)=d(i,j);
end;
end;
end;
end;
l=1;
u=zeros(1,1000);
for i=1:k(1,word_no+1)-k(1,word_no)+1
if (sum(lekhaless(:,i)) < (h(1,line_no+1)-h(1,line_no)+1))
u(1,l)=i;
l=l+1;
end;
end
s=size(u);
ch=zeros(1,n);
ch(1,1)=u(1,1);
j=2;
for i=2:n-1
if(u(1,i)==0)
break;
end;
if ((u(1,i+1)-u(1,i)) > 1)
ch(1,j)=u(1,i);
j=j+1;
ch(1,j)=u(1,i+1);
j=j+1;
end;
end;
ch(1,j)=u(1,i-1);
%
%--------------------------------
for char_no = 1 : 2 : 19
cha=zeros(h(1,line_no+1)-h(1,line_no)+1,ch(1,char_no+1)-ch(1,char_no)+1);
i=ch(1,char_no);
if i ~= 0
for j=1:ch(1,char_no+1)-ch(1,char_no)+1
cha(:,j) = lekhaless(:,i);
i = i+1;
end;
[x_cha y_cha]=size(cha);
if x_cha > 2 && y_cha > 2
q=q+1;
cha1 = imresize(cha, [20 20]);
opt(:,:,q)=cha1;
end;
end;
end;
end;
end;
end