96 search results - page 3 / 20 » Regularization parameter trimming for iterative image recons... |
ISBI
2004
IEEE
14 years 7 months ago
2004
IEEE
We provide approximate expressions for the covariance matrix of kinetic parameter estimators based on time activity curve (TAC) reconstructions when TACs are modeled as a linear c...
ISBI
2006
IEEE
14 years 7 months ago
2006
IEEE
Parallel MR imaging is an effective approach to reduce MR image acquisition time. Non-uniform subsampling allows one to tailor the subsampling scheme for improved image quality at...
ICPR
2002
IEEE
13 years 11 months ago
2002
IEEE
Computer vision requires the solution of many ill-posed problems such as optical flow, structure from motion, shape from shading, surface reconstruction, image restoration and ed...
TIP
2010
13 years 29 days ago
2010
We develop two new algorithms for tomographic reconstruction which incorporate the technique of equally-sloped tomography (EST) and allow for the optimized and flexible implementat...
JMIV
2006
13 years 6 months ago
2006
Abstract. A generalized iterative regularization procedure based on the total variation penalization is introduced for image denoising models with non-quadratic convex fidelity ter...