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how program discrete fourier transform

Asked by krak on 23 May 2013

hi ! I want to program a discrete Fourier transform to detect the outline of an image

Z(K)= p(k) exp(j*2*pi*l*k)/n

l=0,1.....n-1

Z=>fourier transform

p(k)=>Representation of the border of the object in an unidimensionnel space p(l)=x(l)+jy(l)

(l=0,1....n-1)

j=sqrt-1

help please

1 Comment

Iain on 23 May 2013

Look up fft in the help...

krak

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