Research Topics
Species | Arman RahmimSummaryAffiliation: Johns Hopkins University Country: USA Publications
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Detail Information
Publications
The influence of measurement uncertainties on the evaluation of the distribution volume ratio and binding potential in rat studies on a microPET R4: a phantom studyVesna Sossi
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Rd, Vancouver V6T 1Z1, Canada
Phys Med Biol 50:2859-69. 2005..With measured attenuation correction, the COVs were on average 100% higher. The presented method can be used to examine the contribution of a variety of imaging conditions to the uncertainty of biologically meaningful parameters...- Statistical dynamic image reconstruction in state-of-the-art high-resolution PETArman Rahmim
Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
Phys Med Biol 50:4887-912. 2005.... 
PET versus SPECT: strengths, limitations and challengesArman Rahmim
Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
Nucl Med Commun 29:193-207. 2008..Both technologies are poised to advance molecular imaging and have a direct impact on clinical and research practice to influence the future of molecular medicine...
System matrix modelling of externally tracked motionArman Rahmim
Department of Radiology, School of Medicine, Johns Hopkins University, Baltimore, USA
Nucl Med Commun 29:574-81. 2008....- 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... - Direct 4D parametric imaging for linearized models of reversibly binding PET tracers using generalized AB-EM reconstructionArman Rahmim
Department of Radiology, Johns Hopkins University, Baltimore, MD 21287, USA
Phys Med Biol 57:733-55. 2012.... - Four-dimensional (4D) image reconstruction strategies in dynamic PET: beyond conventional independent frame reconstructionArman Rahmim
Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
Med Phys 36:3654-70. 2009..Future opportunities and challenges with regards to the adoption of 4D and higher dimensional image reconstruction techniques are also outlined... - Analytic system matrix resolution modeling in PET: an application to Rb-82 cardiac imagingA Rahmim
Division of Nuclear Medicine, Department of Radiology, Johns Hopkins University, Baltimore MD, USA
Phys Med Biol 53:5947-65. 2008.... - Quantification of cerebral cannabinoid receptors subtype 1 (CB1) in healthy subjects and schizophrenia by the novel PET radioligand [11C]OMARDean F Wong
Radiology, Johns Hopkins University, Baltimore, MD 21287, USA
Neuroimage 52:1505-13. 2010..In addition, our initial data in subjects with schizophrenia seem to suggest an association of elevated binding specific brain regions and symptoms of the disease... - Simultaneous measurement of noise and spatial resolution in PET phantom imagesMartin A Lodge
The Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Phys Med Biol 55:1069-81. 2010..The proposed method of simultaneously measuring image noise and spatial resolution is useful for evaluating reconstruction algorithms and may aid standardization of data collection between centers... - Optimization of Rb-82 PET acquisition and reconstruction protocols for myocardial perfusion defect detectionJing Tang
Department of Radiology, The Johns Hopkins University, Baltimore, MD 21287, USA
Phys Med Biol 54:3161-71. 2009..Shortening the TATs for <approximately 3 min from the clinically employed acquisition time does not affect the myocardial perfusion defect detection significantly for both rest and stress studies... - Direct 4D reconstruction of parametric images incorporating anato-functional joint entropyJing Tang
Department of Radiology, The Johns Hopkins University, Baltimore, MD 21287, USA
Phys Med Biol 55:4261-72. 2010.... - Design and implementation of an automated partial volume correction in PET: application to dopamine receptor quantification in the normal human striatumOlivier G Rousset
Section of High Resolution Brain PET Imaging, Division of Nuclear Medicine, Russell H Morgan Department of Radiology, Johns Hopkins University, Baltimore, Maryland 21287, USA
J Nucl Med 49:1097-106. 2008..This study also offers the first, to our knowledge, large-scale application of PVC to dopamine D(2)/D(3) receptor imaging with (11)C-raclopride in humans... - Bayesian PET image reconstruction incorporating anato-functional joint entropyJing Tang
Department of Radiology, The Johns Hopkins University, Baltimore, MD 21287, USA
Phys Med Biol 54:7063-75. 2009..Corrections were made to figures 3, 4 and 6, and to the second paragraph of section 3.1 on 13 November 2009. The corrected electronic version is identical to the print version... - Quantitative study of cardiac motion estimation and abnormality classification in emission computed tomographyJing Tang
Department of Radiology, Johns Hopkins University, 601 N Caroline Street, Baltimore, MD 21205, USA
Med Eng Phys 33:563-72. 2011.... - A practical, automated quality assurance method for measuring spatial resolution in PETMartin A Lodge
Division of Nuclear Medicine, Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
J Nucl Med 50:1307-14. 2009..The aim of this project was to aid standardization of data collection by developing a quality assurance method for measuring the spatial resolution achieved with clinical imaging protocols... - 11C-JHU75528: a radiotracer for PET imaging of CB1 cannabinoid receptorsAndrew G Horti
Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21287 0816, USA
J Nucl Med 47:1689-96. 2006..The goal of this study was to evaluate 11C-JHU75528, an analog of the selective CB1 antagonist rimonabant, in vivo as a potential CB1 radioligand for PET... - A scatter-corrected list-mode reconstruction and a practical scatter/random approximation technique for dynamic PET imagingJu Chieh Cheng
Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
Phys Med Biol 52:2089-106. 2007..The precision of the scatter fraction was also demonstrated for the conventional and the approximate approach using phantom studies...