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Frequential Analysis in openCV

I am going through a research paper and trying to implement it. In the paper it is saying :

That they use the isotrope Gaussian bandwidth Filter, giving a formula and then using the formula they get the frequential map.

My question being, how to apply a particular formula to the matrix image (Section 3.2), and what is the frequential map, as in what format it is?

Link for the paper : Frequential and color analysis for hair mask segmentation

PS : Its difficult for me to write the equation over here, so please bear with me.

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updated 2017-07-17 04:32:43 -0500

berak gravatar image

Frequential Analysis in openCV

I am going through a research paper and trying to implement it. In the paper it is saying :

That they use the isotrope Gaussian bandwidth Filter, giving a formula and then using the formula they get the frequential map.

My question being, how to apply a particular formula to the matrix image (Section 3.2), and what is the frequential map, as in what format it is?

Link for the paper : Frequential and color analysis for hair mask segmentation

PS : Its difficult for me to write the equation over here, so please bear with me.

image description