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image enhancement in c

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bibhukalyan

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Hi everyone ,
I want to apply a image enhancement algorithm in c.I have a equation for this thing. ie g(x,y) = iFFT { F(u,v) X |F(u,v)|^k} //( F(u,v) =FFT of image)

How i will calculate |F(u,v)|^k ? What is the meaning of |F(u,v)|^k ?
Is there any example so that i can implement it in c ?

thanks
 

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