622 / 945
Filtered Backprojection
For inverse Fourier transform we have:
We saw from slice theorem, that for and , we have
that F(u,v) equals P
ϑ
(q).
We can move to polar coordinates and re-write
which can be re-written as:
|
|
622 / 945
Filtered Backprojection
For inverse Fourier transform we have:
We saw from slice theorem, that for and , we have
that F(u,v) equals P
ϑ
(q).
We can move to polar coordinates and re-write
which can be re-written as: