William P Segars
Affiliation: Johns Hopkins University
- Development of a 4-D digital mouse phantom for molecular imaging researchWilliam P Segars
Department of Radiology, Johns Hopkins University, Baltimore, MD, USA
Mol Imaging Biol 6:149-59. 2004..We develop a realistic and flexible 4-D digital mouse phantom and investigate its usefulness in molecular imaging research...
- Accurate event-driven motion compensation in high-resolution PET incorporating scattered and random eventsArman Rahmim
Department of Radiology, Johns Hopkins University, 601 N Caroline Street, Baltimore, MD 21205, USA
IEEE Trans Med Imaging 27:1018-33. 2008..The proposed approach has been extensively validated using phantom experiments as well as realistic simulations of a new mathematical brain phantom developed in this work, and the results for a dynamic patient study are also presented...
- Estimation and correction of cardiac respiratory motion in SPECT in the presence of limited-angle effects due to irregular respirationJoyoni Dey
Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
Med Phys 37:6453-65. 2010..In this work, the authors investigate a method to overcome the effect of limited-angle reconstruction artifacts in SPECT when estimating respiratory motion...