Can you text what is happening? Integrating pre-trained language encoders into trajectory prediction models for autonomous driving

• URL: http://arxiv.org/abs/2309.05282v2
• Date: Wed, 13 Sep 2023 10:38:28 GMT
• Title: Can you text what is happening? Integrating pre-trained language encoders into trajectory prediction models for autonomous driving
• Authors: Ali Keysan, Andreas Look, Eitan Kosman, Gonca G\"ursun, J\"org Wagner, Yu Yao, Barbara Rakitsch
• Abstract summary: In autonomous driving tasks, scene understanding is the first step towards predicting the future behavior of the surrounding traffic participants. We propose a novel text-based representation of traffic scenes and process it with a language encoder.
• Score: 14.45922081268057
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In autonomous driving tasks, scene understanding is the first step towards predicting the future behavior of the surrounding traffic participants. Yet, how to represent a given scene and extract its features are still open research questions. In this study, we propose a novel text-based representation of traffic scenes and process it with a pre-trained language encoder. First, we show that text-based representations, combined with classical rasterized image representations, lead to descriptive scene embeddings. Second, we benchmark our predictions on the nuScenes dataset and show significant improvements compared to baselines. Third, we show in an ablation study that a joint encoder of text and rasterized images outperforms the individual encoders confirming that both representations have their complementary strengths.

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