A novel corporate credit rating system based on Student's-t hidden Markov models.
Anastasios PetropoulosSotirios P. ChatzisStylianos Z. XanthopoulosPublished in: Expert Syst. Appl. (2016)
Keyphrases
- hidden markov models
- hidden state
- conditional random fields
- gesture recognition
- markov models
- markov model
- sequence classification
- sequential data
- viterbi algorithm
- baum welch
- continuous hidden markov models
- forward backward
- spatio temporal
- automatic speech recognition
- speech recognition
- discriminative training
- hidden states
- dynamic programming
- hierarchical hidden markov model
- genetic algorithm