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Instance-Level Knowledge Transfer for Data-Driven Driver Model Adaptation With Homogeneous Domains
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DOI：10.1109/TITS.2022.3161939.png)
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摘要
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Driver model adaptation (DMA) plays an essential role for driving behaviour modelling when there is a lack of sufficient data for training the new model. A new data-driven DMA method is proposed in this paper to realise the instance-level knowledge transfer between individual drivers. Using the importance-weighted transfer learning (IWTL), the data collected from one driver (source driver) can be directly used to train the model of another driver (target driver). Under the framework of IWTL, the relationship between two different drivers can be modelled by the importance weight (IW). Two estimation methods Kullback-Leibler (KL) Divergence and least-squares (LS), are used to estimate IW for each data instance by modelling the importance-weight function as a radial basis function (RBF). Experiments based on the driving simulator and real vehicle are carried out to test the performance of TL for steering behaviour adaptation during the overtaking manoeuvre. The experimental results show that the TL method can transfer the knowledge observed from one driver to another when training the new driver model without sufficient data by keeping the modelling error at a low level.
Keyword:
Vehicles
Adaptation models
Data models
Hidden Markov models
Knowledge transfer
Transfer learning
Training
Driver behaviour
driver model adaptation
transfer learning
importance weight
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8.4
论文数:
9.7K
被引数:
6.3W
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