74 search results - page 4 / 15 » Hyperparameter Estimation for Emission Computed Tomography D... |
PAMI
2010
13 years 5 months ago
2010
—Adapting the hyperparameters of support vector machines (SVMs) is a challenging model selection problem, especially when flexible kernels are to be adapted and data are scarce....
AE
2009
Springer
13 years 7 months ago
2009
Springer
This paper presents a method to take advantage of artificial evolution in positron emission tomography reconstruction. This imaging technique produces datasets that correspond to t...
EVOW
2010
Springer
13 years 4 months ago
2010
Springer
Abstract. This paper presents an evolutionary approach for image reconstruction in positron emission tomography (PET). Our reconstruction method is based on a cooperative coevoluti...
MICCAI
2010
Springer
13 years 4 months ago
2010
Springer
Abstract. We introduce a value-based noise reduction method for DualEnergy CT applications. It is based on joint intensity statistics estimated from high- and low-energy CT scans o...
ICEIS
1999
IEEE
13 years 11 months ago
1999
IEEE
: Contour Estimation, Bayesian Estimation, Random Fields, Dynamic Programming, Multigrid Methods. This paper addresses contour estimation on images modeled as piecewise homogeneous...