Robust image reconstruction enhancement based on Gaussian mixture model estimation.
Fan ZhaoJian ZhaoXizhen HanHe WangBochao LiuPublished in: J. Electronic Imaging (2016)
Keyphrases
- image reconstruction
- gaussian mixture model
- mixture model
- probability density
- compressed sensing
- density estimation
- super resolution
- expectation maximization
- em algorithm
- feature vectors
- emission computed tomography
- radon transform
- reconstruction method
- image reconstruction algorithms
- maximum likelihood criterion
- maximum likelihood
- signal reconstruction
- background subtraction
- emission tomography
- maximum a posteriori
- probability density function
- positron emission tomography
- unsupervised learning
- probabilistic model
- feature space
- information retrieval
- limited angle
- image quality
- sparsely sampled
- pairwise