A Deterministic Sparse FFT for Functions with Structured Fourier Sparsity.
Sina BittensRuochuan ZhangMark A. IwenPublished in: CoRR (2017)
Keyphrases
- fourier transform
- sparse representation
- frequency domain
- high dimensional
- fast fourier transform
- fourier domain
- fourier series
- radon transform
- sparsity constraints
- compressed sensing
- real world
- dictionary learning
- compressive sampling
- spatial domain
- image reconstruction
- floating point
- basis pursuit
- structured data
- signal processing
- mixed norm
- sparse approximation
- fourier transformation
- regularized regression
- linear functions
- compressive sensing
- sparse data
- sparse coding
- linear combination
- multiresolution
- face recognition