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Dive into the research topics where Michael Geagan is active.

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Featured researches published by Michael Geagan.


Archive | 2005

Timing Calibration for Tof-Pet Scanner

Klaus Fiedler; Michael Geagan; Gerd Muehllehner; Walter Ruetten; Andreas Thon


Archive | 1994

Modifiable digital dynamic compression table

Michael Geagan; Donald R. Wellnitz


Archive | 2004

Pmt signal correlation filter

Donald R. Wellnitz; Michael Geagan; Steven R. Martin


Archive | 1998

Randoms correction using artificial trigger pulses in a gamma camera system

Michael Geagan; Michael J. Petrillo; Thomas E. Scharf; Donald R. Wellnitz


Archive | 1995

Improved gamma camera system

Michael Geagan; Edward M. Goldberg; Donald R. Wellnitz; Gerd Muehllehner; Matthew J. Murphy; Hugo Bertelsen; Peter Nellemann; Horace Hines


Archive | 2005

Event positioning achieved via a lookup table

Thomas Leroy Laurence; Steven E. Cooke; Michael Geagan; Donald R. Wellnitz; Steven R. Martin


Annals of Allergy Asthma & Immunology | 1997

A comparison of segmentation and emission subtraction for singles transmission in PET

R. J. Smithl; Joel S. Karp; Francois Benard; Ali Alavi; Eugene E. Gualtieri; Gerd Muehllehner; Michael Geagan


Archive | 2004

Image system with non-circular patient aperture

Gerd Muehllehner; Michael Geagan


Archive | 1999

Random coincidence correction method in gamma camera system, e.g. for use in PET or SPECT; involves obtaining several artificial trigger signals to obtain assigned measure of random coincidences for coincidence data

Michael Geagan; Michael J. Petrillo; Thomas E. Scharf; Donald R. Wellnitz


Archive | 1999

Zufälligkeiten-Korrektur unter Verwendung künstlicher Trigger-Impulse bei einem Gammakamerasystem

Michael Geagan; Michael J. Petrillo; Thomas E. Scharf; Donald R. Wellnitz

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Gerd Muehllehner

University of Pennsylvania

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Gerd Muehllehner

University of Pennsylvania

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Joel S. Karp

University of Pennsylvania

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