MATLAB Answers

Variance of image in matlab

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Amir Majhool
Amir Majhool on 14 Jul 2019
Edited: KALYAN ACHARJYA on 14 Jul 2019
Hi I wanna calculate variance of image on the matlab, what is the code? My image is grayscale not RGB.

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KALYAN ACHARJYA
KALYAN ACHARJYA on 14 Jul 2019
Edited: KALYAN ACHARJYA on 14 Jul 2019
var_result=var(gray_image)
It returns the row matrix variance with respect to each column
Detail Documentation var
For Complete image, try the following
var_result=var(gray_image(:))

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