Robust automatic speech recognition using an optimal spectral amplitude estimator algorithm in low-SNR car environments.
Zili LiHesham TolbaDouglas D. O'ShaughnessyPublished in: INTERSPEECH (2004)
Keyphrases
- dynamic programming
- worst case
- optimal solution
- computationally efficient
- expectation maximization
- optimality criterion
- learning algorithm
- low snr
- np hard
- probabilistic model
- optimization algorithm
- least squares
- maximum likelihood
- estimation error
- graph structure
- differential evolution
- energy function
- speech recognition
- k means
- high dimensional
- image segmentation
- computer vision