Parameter optimization of relaxed Ordered Subsets Pre-computed Back Projection (BP) based Penalized-Likelihood (OS-PPL) reconstruction in limited-angle X-ray tomography.
Shiyu XuHenri SchurzYing ChenPublished in: Comput. Medical Imaging Graph. (2013)
Keyphrases
- limited angle
- back projection
- x ray
- image reconstruction
- tomographic reconstruction
- cone beam
- filtered back projection
- reconstructed image
- radon transform
- super resolution
- three dimensional
- mean shift
- spatial resolution
- maximum a posteriori
- computed tomography
- projection images
- image frames
- higher order
- search space
- machine learning
- detection algorithm
- high dimensional
- pairwise