Abstract
This paper presents analytical fan‐beam and cone‐beam reconstruction algorithms that compensate for uniform attenuation in single photon emission computed tomography. First, a fan‐beam algorithm is developed by obtaining a relationship between the two‐dimensional (2D) Fourier transform of parallel‐beam projections and fan‐beam projections. Using this relationship, 2D Fourier transforms of equivalent parallel‐beam projection data are obtained from the fan‐beam projection data. Then a quasioptimal analytical reconstruction algorithm for uniformly attenuated Radon data, developed by Metz and Pan, is used to reconstruct the image. A cone‐beam algorithm is developed by extending the fan‐beam algorithm to solid angle geometry. The cone‐beam algorithm is also an exact algorithm.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
