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» A Gradually Unmasking Method for Limited Data Tomography
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TMI
1998
137views more  TMI 1998»
13 years 5 months ago
Dynamic Imaging and Tracer Kinetic Modeling for Emission Tomography Using Rotating Detectors
— When performing dynamic studies using emission tomography the tracer distribution changes during acquisition of a single set of projections. This is particularly true for some ...
Chi-Hoi Lau, David Dagan Feng, Brian F. Hutton, Da...
ISBI
2007
IEEE
13 years 11 months ago
Autocorrecting Reconstruction for Flexible Ct Scanners
Nanotechnology researchers are developing miniature, lowpower x-ray devices. These innovations might revolutionize the world of computed tomography (CT). Tiny x-ray emitters and d...
Jeff Orchard, Alexei Ramotar
ISBI
2004
IEEE
14 years 6 months ago
Fourier-Based Forward and Back-Projectors in Iterative Fan-Beam Tomographic Image Reconstruction
Fourier-based forward and back-projection methods have the potential to reduce computation demands in iterative tomographic image reconstruction. Interpolation errors are a limita...
Yingying Zhang, Jeffrey A. Fessler
MICCAI
2008
Springer
14 years 6 months ago
Dynamic Model-Driven Quantitative and Visual Evaluation of the Aortic Valve from 4D CT
Aortic valve disease is an important cardio-vascular disorder, which affects 2.5% of the global population and often requires elaborate clinical management. Experts agree that visu...
Razvan Ioan Ionasec, Bogdan Georgescu, Eva Gassn...
MICCAI
2005
Springer
13 years 10 months ago
Consistent Estimation of Cardiac Motions by 4D Image Registration
A 4D image registration method is proposed for consistent estimation of cardiac motion from MR image sequences. Under this 4D registration framework, all 3D cardiac images taken at...
Dinggang Shen, Hari Sundar, Zhong Xue, Yong Fan, H...