Radon Transformation - Digital Signal Processing for Medical Imaging Using Matlab - page 12

Fig. 1.10 Final reconstructed image obtained from parallel beam without filtering

Fig. 1.11 Final reconstructed image obtained from filtered parallel beam

Rewriting ( 1.15 ) with θ ranging from 0 to 2 π , we get the following.

2 π

1
2

f ( x , y ) = R ( l ,θ) ∗ IFT ( | U | ) d θ (1.16)

0