9 search results - page 1 / 2 » Quadrature formula for computed tomography |
JAT
2010
13 years 9 months ago
2010
We give a bivariate analog of the Micchelli-Rivlin quadrature for computing the integral of a function over the unit disk using its Radon projections. AMS subject classification:...
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
Metal and beam-hardening artifacts are tough issues in Computed Tomography (CT) images. This paper proposes an iterative Maximum A Posteriori (MAP) reconstruction algorithm aiming...
CVPR
1997
IEEE
14 years 3 months ago
1997
IEEE
In this paper we focus on using local 3D structure for segmentation. A tensor descriptor is estimated for each neighbourhood, i.e. for each voxel in the data set. The tensors are ...
ICPR
2006
IEEE
14 years 12 months ago
2006
IEEE
This paper presents a method for automatic segmentation of bone from volumetric computed tomography (CT) data. Due to osteoporosis, which degenerates the bone density and hence de...
TITB
2010
13 years 5 months ago
2010
Katsevich reconstruction algorithm represents a breakthrough for helical cone-beam computed tomography (CT) reconstruction, because it is the first exact cone-beam reconstruction a...