Dictionary learning for sparse representation of signals with hidden Markov model dependency.
Saeed AkhavanF. BaghestaniP. KazemiA. KaramiHamid Soltanian-ZadehPublished in: Digit. Signal Process. (2022)
Keyphrases
- hidden markov models
- dictionary learning for sparse
- conditional random fields
- speech recognition
- markov model
- dictionary learning
- handwritten word recognition
- signal processing
- viterbi algorithm
- image collections
- continuous hidden markov models
- hidden state
- image representation
- image classification
- image processing
- sequential data
- dynamic probabilistic networks
- hierarchical hidden markov model
- feature space