DSC-LLM: Driving Scene Context Representation-Based Trajectory Prediction Framework with Risk Factor Reasoning Using LLMs
AI-ready brief
Autonomous driving in dense urban environments requires accurate trajectory forecast- ing supported by interpretable contextual evidence. This study presents a multimodal framework that performs driving scene context (DSC)-aware trajectory prediction while providing risk-aware explanations to reveal the contextual cues behind predicted motion.
Author abstract
Autonomous driving in dense urban environments requires accurate trajectory forecast- ing supported by interpretable contextual evidence. This study presents a multimodal framework that performs driving scene context (DSC)-aware trajectory prediction while providing risk-aware explanations to reveal the contextual cues behind predicted motion. The framework integrates temporal object states—trajectories, velocities, yaw angles, and motion status—with semantic information from forward-facing camera imagery, and is composed of four modules: object behavioral feature extraction, scene context extraction, DSC-augmented trajectory prediction, and risk-aware reasoning using a multimodal large language model (MLLM). Experiments on the Rank2Tell dataset demonstrate the feasibility and applicability of the proposed approach, achieving an ADE of 10.972, an FDE of 13.701, and an RMSE of 8.782. Additional qualitative evaluation shows that DeepSeek-R1-Distill- Qwen-7B generates the most coherent and contextually aligned explanations among the tested models. These findings indicate that combining DSC-aware prediction with inter- pretable reasoning provides a practical and transparent solution for autonomous driving in complex urban environments.
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Citation-ready BibTeX
@article{noh2025dscllmdrivingscenecontex,
title = {DSC-LLM: Driving Scene Context Representation-Based Trajectory Prediction Framework with Risk Factor Reasoning Using LLMs},
author = {S. Kim and J. Jin and S. Hong and D. Ka and H. Kim and B. Noh},
year = {2025},
journal = {Sensors , 25(23), 7112 (2025).}
}