Sliding window in 2 images to create a third

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DANIELA PALACIOS
DANIELA PALACIOS 2016-11-28
回答： Nirja Mehta 2016-12-1
Dear Matlab people.
I have 2 images or lets say 2 matrices of the same size with values ranging from 0-1. I need to apply different window sizes (3x3, 21x21) and with in these windows applx the following formula. I1 is the image 1 or matrix 1 and I2 is the matrix 2. Please ignore the * in the formula, here it represents something else.

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回答（1 个）

Nirja Mehta
Nirja Mehta 2016-12-1
i1 = randn([100 100]);
i2 = randn([100 100]);
R = 3;
C = 21;
num = 0;
for i = 1:R
for j = 1:C
num = num + abs(i1(i,j)*i2(i,j));
end
end
You can calculate the denominator, likewise.

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