Title :
Toward region-of-interest (ROI)-based 4-D perfusion using angiography system
Author :
Taguchi, Katsuyuki ; Geschwind, Jean-Francois H.
Author_Institution :
The Russell H. Morgan, Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore MD21287 USA
Abstract :
In this study, we propose to estimate time-dependent attenuation curves on region-of-interest basis using a priori and projection data acquired without gantry rotation.
Keywords :
Angiography; Attenuation; Computed tomography; Drugs; Image analysis; Liver neoplasms; Optical imaging; X-ray detection; X-ray detectors; X-ray imaging; C-arm x-ray system; perfusion;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2008. NSS '08. IEEE
Conference_Location :
Dresden, Germany
Print_ISBN :
978-1-4244-2714-7
Electronic_ISBN :
1095-7863
DOI :
10.1109/NSSMIC.2008.4774217