12 search results - page 2 / 3 » Diffusion Tensor Estimation by Maximizing Rician Likelihood |
TMI
2008
13 years 6 months ago
2008
Abstract--This paper introduces and analyzes a linear minimum mean square error (LMMSE) estimator using a Rician noise model and its recursive version (RLMMSE) for the restoration ...
MICCAI
2008
Springer
14 years 7 months ago
2008
Springer
Diffusion-Weighted MRI (DW-MRI) is subject to random noise yielding measures that are different from their real values, and thus biasing the subsequently estimated tensors. The Non...
MICCAI
2004
Springer
14 years 7 months ago
2004
Springer
3D Bayesian regularization applied to diffusion tensor MRI is presented here. The approach uses Markov Random Field ideas and is based upon the definition of a 3D neighborhood syst...
ISBI
2007
IEEE
14 years 21 days ago
2007
IEEE
We present a new tracking algorithm based on the full multidirectional information of the diffusion orientation distribution function (ODF) estimated from Q-Ball Imaging (QBI). Fr...
ISBI
2006
IEEE
14 years 7 months ago
2006
IEEE
We introduce a method for estimating regional connectivity in diffusion tensor magnetic resonance imaging (DT-MRI) based on a fluid mechanics model. We customize the Navier-Stokes...