30 search results - page 5 / 6 » Rapid Emission Tomography Reconstruction |
MIAR
2006
IEEE
14 years 2 months ago
2006
IEEE
Positron Emission Tomography (PET) is an established functional imaging modality but its practical deployment is hampered by motion artefacts. This paper proposes a method for corr...
TMI
1998
13 years 8 months ago
1998
—Spatially varying focal length fan-beam collimators can be used in single photon emission computed tomography to improve detection efficiency and to reduce reconstruction artif...
TMI
2008
13 years 8 months ago
2008
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an 1-regularizatio...
ISBI
2006
IEEE
14 years 9 months ago
2006
IEEE
This paper examines the spatial resolution properties of nonquadratically regularized image reconstruction methods for positron emission tomography (PET). It is well known that qu...
TIP
2002
13 years 8 months ago
2002
We address the problem of Bayesian image reconstruction with a prior that captures the notion of a clustered intensity histogram. The problem is formulated in the framework of a j...