Iterative Image Reconstruction for Limited-Angle CT Using Optimized Initial Image.
Jingyu GuoHongliang QiYuan XuZijia ChenShulong LiLinghong ZhouPublished in: Comput. Math. Methods Medicine (2016)
Keyphrases
- image reconstruction
- limited angle
- reconstruction method
- computed tomography
- back projection
- reconstructed image
- image reconstruction algorithms
- sparsely sampled
- tomographic reconstruction
- super resolution
- inverse problems
- computer tomography
- spatial resolution
- maximum a posteriori
- multiscale
- image segmentation
- radon transform
- image analysis
- high resolution
- image features
- image data
- relaxation algorithm
- hough transform
- post processing
- x ray
- image resolution
- regularized least squares
- motion artifacts
- medical images
- region of interest
- feature points
- test images