Reconstruction of three-dimensional localized objects from limited angle x-ray projections: an approach based on sparsity and multigrid image representation.
Charles SoussenJérôme IdierPublished in: J. Electronic Imaging (2008)
Keyphrases
- image representation
- three dimensional
- limited angle
- multiscale
- image reconstruction
- sparse representation
- compressive sensing
- image classification
- tomographic reconstruction
- d objects
- regularized least squares
- image content
- image features
- image retrieval
- reconstructed image
- feature space
- object recognition
- relaxation algorithm
- visual words
- image analysis
- high dimensional
- multiresolution
- sparse coding
- moving objects
- scene classification
- pairwise
- partial differential equations
- pose estimation