Automatic segmentation and clustering of speech using sparse coding and metaheuristic search.
Wiehan AgenbagThomas NieslerPublished in: INTERSPEECH (2015)
Keyphrases
- automatic segmentation
- metaheuristic
- sparse coding
- search space
- unsupervised learning
- sparse representation
- dictionary learning
- natural images
- simulated annealing
- segmentation algorithm
- variable neighborhood search
- tabu search
- image classification
- optimization problems
- search algorithm
- linear combination
- clustering algorithm
- image representation
- search procedure
- generative model
- genetic algorithm
- feature space
- optimal solution
- image segmentation
- particle swarm optimization
- k means
- dimensionality reduction
- higher order
- small number
- cost function
- visual words
- image patches
- machine learning