how to find variance along x and y axis for an image? and how to find the frequency of sinusoidal function of an image??

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Shreehari M R
Shreehari M R on 3 Apr 2012
Can anybody pls help me how to find the variance along x and y axis for an image?? and how to find the frequency of sinusoidal function of an image??
I need this for my academic project.
with regards Shreehari

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