595 search results - page 42 / 119 » Approximate Volumetric Reconstruction from Projected Images |
TMI
2008
13 years 9 months ago
2008
Abstract-- The projection data measured in computed tomography (CT) and, consequently, the slices reconstructed from these data are noisy. We present a new wavelet based structurep...
ISBI
2006
IEEE
14 years 10 months ago
2006
IEEE
We present a method to improve the quality of cone-beam tomographic images computed from an intra-operative C-arm scan by adding information from an anatomical atlas. Limited rang...
AMFG
2003
IEEE
14 years 3 months ago
2003
IEEE
Recognition of unfamiliar faces can be severely impaired when two pictures of a face are taken from different camera distances. This effect of perspective transformation may be pr...
BILDMED
2007
13 years 11 months ago
2007
Abstract. Although angiography was originally designed as a morphological imaging modality, it is increasingly demanded to retrieve functional information from conventional angiogr...
ICIP
2008
IEEE
14 years 4 months ago
2008
IEEE
Compressed sensing(CS) suggests that a signal, sparse in some basis, can be recovered from a small number of random projections. In this paper, we apply the CS theory on sparse ba...