Recognition of Nonprototypical Emotions in Reverberated and Noisy Speech by Nonnegative Matrix Factorization.
Felix WeningerBjörn W. SchullerAnton BatlinerStefan SteidlDino SeppiPublished in: EURASIP J. Adv. Signal Process. (2011)
Keyphrases
- nonnegative matrix factorization
- noisy speech
- speech recognition
- hidden markov models
- automatic speech recognition systems
- matrix factorization
- background noise
- data representation
- negative matrix factorization
- speech signal
- least squares
- object recognition
- noisy environments
- speech enhancement
- spectral clustering
- pattern recognition
- principal component analysis
- document clustering
- feature extraction
- original data
- image segmentation
- neural network
- data sets