Nonnegative matrix factorization for the identification of pressure ulcer risks from seating interface pressures in people with spinal cord injury.
Tim D. YangYih-Kuen JanPublished in: Medical Biol. Eng. Comput. (2020)
Keyphrases
- nonnegative matrix factorization
- spinal cord injury
- negative matrix factorization
- matrix factorization
- probabilistic latent semantic indexing
- least squares
- active set
- data representation
- spectral clustering
- nonnegative matrix
- principal component analysis
- original data
- similarity measure
- data mining
- neural network
- independent component analysis
- pairwise
- image processing