Improved image reconstruction for subspace-based spectroscopic imaging using non-quadratic regularization.
Zheng-Hua WuFan LamChao MaZhi-Pei LiangPublished in: EMBC (2014)
Keyphrases
- image reconstruction
- inverse problems
- reconstructed image
- super resolution
- compressed sensing
- radon transform
- maximum a posteriori
- emission computed tomography
- reconstruction method
- computed tomography
- emission tomography
- signal reconstruction
- dimensionality reduction
- random projections
- tomographic reconstruction
- image reconstruction algorithms
- synthetic aperture radar
- objective function
- principal component analysis
- computational complexity
- high dimensional data
- feature space
- back projection
- pairwise