Compressed sensing and Approximate Message Passing with spatially-coupled Fourier and Hadamard matrices.
Jean BarbierFlorent KrzakalaChristophe SchülkePublished in: CoRR (2013)
Keyphrases
- message passing
- compressed sensing
- image reconstruction
- inference in graphical models
- fourier domain
- matrix multiplication
- belief propagation
- distributed systems
- random projections
- radon transform
- natural images
- sparse representation
- approximate inference
- markov random field
- fourier transform
- frequency domain
- signal processing
- graphical models
- super resolution
- singular value decomposition
- graph cuts
- random sampling
- original data
- image processing
- least squares