74 search results - page 2 / 15 » Hyperparameter Estimation for Emission Computed Tomography D... |
VIP
2000
13 years 8 months ago
2000
Emission tomography such as positron emission tomography (PET) and single-photon emission computed tomography (SPECT) can provide in vivo measurements of dynamic physiological and...
VG
2003
13 years 8 months ago
2003
We present new implementations of the Maximum Likelihood Expectation Maximization (EM) algorithm and the related Ordered Subset EM (OSEM) algorithm. Our implementation is based on...
ICPR
2002
IEEE
13 years 11 months ago
2002
IEEE
False matching due to errors in feature extraction and changes in illumination between frames may occur in feature tracking in image sequences. False matching leads to outliers in...
ISBI
2004
IEEE
14 years 7 months ago
2004
IEEE
We present a fully four-dimensional, globally convergent, incremental gradient algorithm to estimate the continuous-time tracer density from list mode positron emission tomography...
SIBGRAPI
2008
IEEE
14 years 29 days ago
2008
IEEE
Bayesian inference methods are commonly applied to the classification of brain Magnetic Resonance images (MRI). We use the Maximum Evidence (ME) approach to estimate the most prob...