Speech bottleneck feature extraction method based on overlapping group lasso sparse deep neural network.
Yuan LuoYu LiuYi ZhangCongcong YuePublished in: Speech Commun. (2018)
Keyphrases
- group lasso
- neural network
- regression model
- variable selection
- structured sparsity
- efficient optimization
- multi task
- contingency tables
- low rank
- multiple kernel learning
- multi label learning
- regularization term
- convex optimization
- mixed norm
- multi task learning
- image features
- regression problems
- high order
- dimension reduction
- genetic programming
- training process
- image classification
- multiple features
- linear models
- denoising
- multi class
- high dimensional
- training data
- image processing
- learning algorithm