Please Help, I am getting this error "Index in position 1 is invalid. Array indices must be positive integers or logical values."
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I havean image (P) and generated 4000 random samples and stored in variable row and col. Then, from my image P, i want
to have array of P(row,col) position and the next horizontal Neighbour P(row,col+1).
P= imread('cameraman.tif');
for i = 1 : 4000
row = round(rand() * 255);
col = round(rand() * 255);
x(i) = P(row,col) ; % the first pix value
y(i) = P(row,(mod((col+1),256))); % the Horizontal neighbour
end
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