See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/3220335 Vector-extrapolated fast maximum likelihood estimation algorithms for emission tomography Article in IEEE Transactions on Medical Imaging · April 1992 DOI: 10.1109/42.126905 · Source: IEEE Xplore CITATIONS 38 READS 13 3 authors, including: Nallakkandi Rajeevan Yale University 44 PUBLICATIONS 1,680 CITATIONS SEE PROFILE Rajgopal Kasi Indian Institute of Science 43 PUBLICATIONS 145 CITATIONS SEE PROFILE All content following this page was uploaded by Nallakkandi Rajeevan on 25 March 2015. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.