Driving Style-Based Conditional Variational Autoencoder for Prediction of Ego Vehicle Trajectoryopen access
- Authors
- Kim, Dongchan; Shon, Hyukju; Kweon, Nahyun; Choi, Seungwon; Yang, Chanuk; Huh, Kunsoo
- Issue Date
- 2021
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Trajectory; Feature extraction; Vehicles; Training; Global Positioning System; Data models; Task analysis; Driving style recognition; trajectory prediction; conditional variational autoencoder; CAN data; Hardware-in-the-Loop simulation
- Citation
- IEEE ACCESS, v.9, pp.169348 - 169356
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE ACCESS
- Volume
- 9
- Start Page
- 169348
- End Page
- 169356
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144014
- DOI
- 10.1109/ACCESS.2021.3138502
- ISSN
- 2169-3536
- Abstract
- Trajectory prediction of the ego vehicle is essential for advanced driver assistance systems to function properly. By recognizing various driving styles and predicting trajectories reflecting them, the prediction performance is enhanced, and a personalized trajectory can be generated. Therefore, we propose to combine driving style recognition and trajectory prediction tasks using only in-vehicle CAN-bus sensor data for possible application to normal vehicles. The DeepConvLstm network was utilized for driving style recognition, and a generative-based model was used for trajectory prediction. The classified driving style was added as a condition to the network. In addition, the past trajectory of the ego vehicle is estimated and utilized as an additional input for performance improvement. The performance of the proposed method is analyzed in terms of the root mean squared error (RMSE) and mean absolute error (MAE) compared with the case wherein the driving style and the past trajectory are not conditioned or given, respectively. The results demonstrate the effectiveness of the proposed method.
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