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Medical Engineering I
152 8 Computed Tomography Figure 8.7: The Fourier slice theorem establishes an equivalence between the Fourier transform P(ξ,θ) of the projection p θ(s) and a line in the Fourier transform F(u,v) of f(x,y) which runs through the origin and forms the angle θwith the u-axis.Please note that in the frequency domain images on the right, the magnitudes of the complex numbers were …
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