Nonnegative matrix factorization and sparse representation for the automated detection of periodic limb movements in sleep.
Mehrnaz ShokrollahiSridhar KrishnanDustin D. DopsaRyan T. MuirSandra E. BlackRichard H. SwartzBrian J. MurrayMark I. BoulosPublished in: Medical Biol. Eng. Comput. (2016)
Keyphrases
- automated detection
- sparse representation
- nonnegative matrix factorization
- negative matrix factorization
- dictionary learning
- sparse coding
- automated analysis
- image classification
- sparsity constraints
- basis vectors
- face recognition
- image patches
- lung cancer
- image representation
- dimensionality reduction
- matrix factorization
- regularized least squares
- high dimensional data
- signal processing
- data representation
- spectral clustering
- principal component analysis
- least squares
- image data
- data analysis