例6.2-2
I=imread('pears.png');
imshow(I);
IBW=im2bw(I);
[m n]=size(IBW);
c=I(1,1);RLEcode(1,1:3)=[1 1 c];
t=2;
for k=1:m
for j=1:n
if(not(and(k==1,j==1)))
if(not(I(k,j)==c))
RLEcode(t,1:3)=[k j IBW(k,j)];
c=IBW(k,j);
t=t+1;
end
end
end
end
例6.2-1
I=imread('pears.png');
imshow(I);
IGRAY=rgb2gray(I);
[m n]=size(IGRAY);
c=I(1,1);RLEcode(1,1:3)=[1 1 c];
t=2;
tic
for k=1:m
for j=1:n
if(not(and(k==1,j==1)))
if(not(I(k,j)==c))
RLEcode(t,1:3)=[k j I(k,j)];
c=I(k,j);
t=t+1;
end
end
end
end
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