Highlights The method combines the HMMs and BF to recognize a driver’s lane changing intention. The HMMs are developed based on speech recognition models. Naturalistic data are used to train and validate the proposed algorithm. The proposed algorithm can get good results both on recognition ratio and time.
Abstract Poor driving habits such as not using turn signals when changing lanes present a major challenge to advanced driver assistance systems that rely on turn signals. To address this problem, we propose a novel algorithm combining the hidden Markov model (HMM) and Bayesian filtering (BF) techniques to recognize a driver’s lane changing intention. In the HMM component, the grammar definition is inspired by speech recognition models, and the output is a preliminary behavior classification. As for the BF component, the final behavior classification is produced based on the current and preceding outputs of the HMMs. A naturalistic data set is used to train and validate the proposed algorithm. The results reveal that the proposed HMM–BF framework can achieve a recognition accuracy of 93.5% and 90.3% for right and left lane changing, respectively, which is a significant improvement compared with the HMM-only algorithm. The recognition time results show that the proposed algorithm can recognize a behavior correctly at an early stage.
Lane changing intention recognition based on speech recognition models
Tramsportation Research, Part C: Emerging Technologies ; 69 ; 497-514
2015-11-15
18 pages
Article (Journal)
Electronic Resource
English
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