7 search results - page 1 / 2 » Dynamic PET Reconstruction Using Wavelet Regularization With... |
TMI
2008
13 years 4 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...
MVA
2000
13 years 6 months ago
2000
work, applies a nonlinear transformation from the input space to the hidden space. The output layer Partial face images, e.g.1 eyes, nose, and ear supplies the response of the netw...
ICIP
2006
IEEE
14 years 6 months ago
2006
IEEE
The standard separable two-dimensional (2-D) wavelet transform (WT) has recently achieved a great success in image processing because it provides a sparse representation of smooth...
ISBI
2004
IEEE
14 years 5 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...
BIBE
2001
IEEE
13 years 8 months ago
2001
IEEE
Different modalities in biomedical imaging, like CT, MRI and PET scanners, provide detailed crosssectional views of the human anatomy. The imagery obtained from these scanning dev...