Unsupervised Driving Event Discovery Based on Vehicle CAN-data
- URL: http://arxiv.org/abs/2301.04988v1
- Date: Thu, 12 Jan 2023 13:10:47 GMT
- Title: Unsupervised Driving Event Discovery Based on Vehicle CAN-data
- Authors: Thomas Kreutz, Ousama Esbel, Max M\"uhlh\"auser, Alejandro Sanchez
Guinea
- Abstract summary: This work presents a simultaneous clustering and segmentation approach for vehicle CAN-data that identifies common driving events in an unsupervised manner.
We evaluate our approach with a dataset of real Tesla Model 3 vehicle CAN-data and a two-hour driving session that we annotated with different driving events.
- Score: 62.997667081978825
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The data collected from a vehicle's Controller Area Network (CAN) can quickly
exceed human analysis or annotation capabilities when considering fleets of
vehicles, which stresses the importance of unsupervised machine learning
methods. This work presents a simultaneous clustering and segmentation approach
for vehicle CAN-data that identifies common driving events in an unsupervised
manner. The approach builds on self-supervised learning (SSL) for multivariate
time series to distinguish different driving events in the learned latent
space. We evaluate our approach with a dataset of real Tesla Model 3 vehicle
CAN-data and a two-hour driving session that we annotated with different
driving events. With our approach, we evaluate the applicability of recent time
series-related contrastive and generative SSL techniques to learn
representations that distinguish driving events. Compared to state-of-the-art
(SOTA) generative SSL methods for driving event discovery, we find that
contrastive learning approaches reach similar performance.
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