Sparse decomposition of transformation-invariant signals with continuous basis pursuit.
Chaitanya EkanadhamDaniel TranchinaEero P. SimoncelliPublished in: ICASSP (2011)
Keyphrases
- basis pursuit
- denoising
- compressed sensing
- convex optimization
- total variation
- signal processing
- geometric transformations
- image reconstruction
- image denoising
- natural images
- image transformations
- proximal point algorithm
- fourier domain
- invariant features
- image restoration
- independent component analysis
- random projections
- pattern recognition
- affine transformation
- sparse representation
- frequency domain
- dimensionality reduction
- higher order
- pairwise
- object recognition