Research Article
Driving Style Recognition under Connected Circumstance Using a Supervised Hierarchical Bayesian Model
Table 2
Mathematical notation for the labeled LDA model.
| Notation | Description |
| Θ | Multinomial distribution over driving styles | Ψ | Multinomial distribution over driving behaviors | Α | Dirichlet prior parameters for Θ = (θ1, ..., θM) | Β | Dirichlet prior parameters for Ψ = (ψ1, ..., ψK) | M | Number of drivers | Nm | Number of driving behaviors in m-th drivers | K | Number of driving styles | | The topic of the driving behavior | | The ith driving behavior | Λ(m) | The label vector of driver m | Φk | Label prior for topic k |
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