338 search results - page 19 / 68 » Modeling Multigrid Algorithms for Variational Imaging |
113
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JMIV
2011
14 years 6 months ago
2011
We propose a deblurring algorithm that explicitly takes into account the sparse characteristics of natural images and does not entail solving a numerically ill-conditioned backwar...
TMI
2010
14 years 10 months ago
2010
—Several different reconstruction algorithms have been proposed for photoacoustic tomography, most of which presuppose that the acoustic properties of the medium are constant and...
112
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CIVR
2006
Springer
15 years 3 months ago
2006
Springer
We propose a novel Bayesian learning framework of hierarchical mixture model by incorporating prior hierarchical knowledge into concept representations of multi-level concept struc...
158
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ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
The segmentation of ultrasound images is challenging due to the difficulty of appropriate modeling of their appearance variations including speckle as well as signal dropout. We ...
83
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IVC
2002
14 years 11 months ago
2002
Facial variation divides into a number of functional subspaces, and ensemblespecific variation. An improved method of measuring these is presented, within the space defined by an ...