Sliding Window Nonnegative Matrix Factorization (SW-NMF) for Robustness Low-Density Myoelectric Signals Decoding Against Electrodes Shift.
Zhien XianZhiguo ZhangFei TangLi ZhangGan HuangPublished in: NER (2019)
Keyphrases
- nonnegative matrix factorization
- sliding window
- low density
- high density
- negative matrix factorization
- data streams
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- active set
- signal processing
- fixed size
- least squares
- window size
- spectral clustering
- matrix decomposition
- nonnegative matrix
- original data
- data center
- principal component analysis
- data matrix
- document clustering
- objective function
- feature selection
- data sets
- sparse representation
- collaborative filtering
- sparsity constraints
- knowledge discovery