Hybrid multichannel signal separation using supervised nonnegative matrix factorization with spectrogram restoration.
Daichi KitamuraHiroshi SaruwatariSatoshi NakamuraYu TakahashiKazunobu KondoHirokazu KameokaPublished in: APSIPA (2014)
Keyphrases
- nonnegative matrix factorization
- single channel
- wiener filter
- multi channel
- matrix factorization
- negative matrix factorization
- sound source
- probabilistic latent semantic indexing
- data representation
- least squares
- signal reconstruction
- image restoration
- nonnegative matrix
- principal component analysis
- semi supervised
- short time fourier transform
- spectral clustering
- signal processing
- image processing
- learning algorithm
- document clustering
- original data
- frequency domain
- objective function
- data sets
- unsupervised learning
- image classification
- information extraction
- feature vectors
- object recognition
- computer vision