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how program discrete fourier transform

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krak
krak 2013-5-23
关闭： MATLAB Answer Bot 2021-8-20
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

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