Computationally-efficient blind sub-Nyquist sampling for sparse spectra.
Sameer PawarVenkatesan N. EkambaramKannan RamchandranPublished in: GlobalSIP (2013)
Keyphrases
- computationally efficient
- sampling rate
- sparse sampling
- sparse representation
- sparse data
- dense sampling
- high dimensional
- random sampling
- sparse coding
- compressive sampling
- sample size
- sampling algorithm
- sparse matrix
- sampling strategy
- hyperspectral
- sampling strategies
- monte carlo
- natural images
- low rank approximation
- hyperspectral images
- sampled data
- compressive sensing
- random projections
- dictionary learning
- singular value decomposition
- principal component analysis