Abstract
We prove that accurate SPECT reconstruction of a region-of-interest (ROI) in the activity map is possible from truncated projections collected over 180 degrees, assuming that the attenuation map is constant in a convex region Omega that includes all activity sources. The amount of allowable truncation depends on the size and location of the ROI relative to the direction of the first and last projections and relative to the boundary of Omega. A sketch of the proof is given along with reconstructions from computer-simulated data in support of the theory. Our result may be seen as an extension to SPECT of recent results obtained in classical tomography.
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.
