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What is the significance of averaging two or multiple images in matlab?

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shivam sahil
shivam sahil 2017-12-6
评论： shivam sahil 2017-12-7
While going through Image processing I came across this code to find the average of two images:
I = imread('rice.png');
I2 = imread('cameraman.tif');
K = imlincomb(.5,I,.5,I2);
Can someone please explain what is the significance of averaging image in this way, whether it is with respect to pixels or RGB contrast profile or what?

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Image Analyst
Image Analyst 2017-12-6
It is simply a weighted average of the pixel values, basically
K = uint8(.5 * double(I) + 0.5 * double(I2));
I and I2 have to be the same size, both laterally (rows and columns) and in the number of color channels (1 or 3).
K is usually the same class as I, uint8 in your example case.
Not sure what you mean by "RGB contrast profile".

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