what do u mean by the error message "index exceeds matrix dimensions" ?

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Pramod Bhat
Pramod Bhat 2011-4-16
i have written a simple code to subtract two images and applying threshold after subtracting. when it is executed it giver error message "ndex exceeds matrix dimensions". what does it means ? how can i solve this problem? Program is given here.please help me. Thanking you.
img1=imread('seq1.jpg');%define your image.
img1=rgb2gray(img1);
img2=imread('seq2.jpg');
img2=rgb2gray(img2);
diff1=abs(int16(img2)-int16(img1));
[r1,c1]=size(diff1);
for x1=1:r1
for y1=1:c1
if diff1(x1,y1)<56 %threshold value.Here is the error.
diff1=0;
end
end
end

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采纳的回答

Paulo Silva
Paulo Silva 2011-4-16
diff1=0 causes that problem because it turns the array in just a double value (size = [1 1]), do you mean diff1(x1,y1)=0 instead?

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