Deep Representation Learning and Clustering of Traffic Scenarios

• URL: http://arxiv.org/abs/2007.07740v1
• Date: Wed, 15 Jul 2020 15:12:23 GMT
• Title: Deep Representation Learning and Clustering of Traffic Scenarios
• Authors: Nick Harmening, Marin Bilo\v{s}, Stephan G\"unnemann
• Abstract summary: We introduce two data driven autoencoding models that learn latent representation of traffic scenes. We show how the latent scenario embeddings can be used for clustering traffic scenarios and similarity retrieval.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Determining the traffic scenario space is a major challenge for the homologation and coverage assessment of automated driving functions. In contrast to current approaches that are mainly scenario-based and rely on expert knowledge, we introduce two data driven autoencoding models that learn a latent representation of traffic scenes. First is a CNN based spatio-temporal model that autoencodes a grid of traffic participants' positions. Secondly, we develop a pure temporal RNN based model that auto-encodes a sequence of sets. To handle the unordered set data, we had to incorporate the permutation invariance property. Finally, we show how the latent scenario embeddings can be used for clustering traffic scenarios and similarity retrieval.

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