Wavelet-Based Compressed Sensing Using a Gaussian Scale Mixture Model.
Yookyung KimMariappan S. NadarAli BilginPublished in: IEEE Trans. Image Process. (2012)
Keyphrases
- mixture model
- compressed sensing
- gaussian mixture model
- image reconstruction
- maximum likelihood
- gaussian mixture
- em algorithm
- random projections
- gaussian densities
- generative model
- expectation maximization
- natural images
- probabilistic model
- wavelet transform
- sparse representation
- model selection
- unsupervised learning
- signal processing
- scale space
- multiresolution
- gaussian distribution
- language model
- data mining
- image segmentation
- motion estimation
- text classification
- image classification
- pairwise
- bayesian networks
- probability density function
- dimensionality reduction
- image processing
- fourier domain
- machine learning
- higher order