Group-sparse mode decomposition: A signal decomposition algorithm based on group-sparsity in the frequency domain.
Nasser MouradPublished in: Digit. Signal Process. (2022)
Keyphrases
- frequency domain
- decomposition algorithm
- group sparsity
- structured sparsity
- sparse coding
- dictionary learning
- compressive sensing
- decomposition method
- spatial domain
- fourier transform
- sparse representation
- low rank
- power spectra
- feature extraction
- natural images
- image classification
- denoising
- recognition algorithm
- signal processing
- subband
- image representation
- generative model
- high dimensional
- linear combination
- decomposition methods
- computational complexity
- machine learning