Nav-EE: Navigation-Guided Early Exiting for Efficient Vision-Language Models in Autonomous Driving

Fuente: arXiv
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Autores principales: Hu, Haibo, Huang, Lianming, Wang, Xinyu, Cui, Yufei, Wu, Shangyu, Guan, Nan, Xue, Chun Jason
Formato: Preprint
Publicado: 2025
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author Hu, Haibo
Huang, Lianming
Wang, Xinyu
Cui, Yufei
Wu, Shangyu
Guan, Nan
Xue, Chun Jason
author_facet Hu, Haibo
Huang, Lianming
Wang, Xinyu
Cui, Yufei
Wu, Shangyu
Guan, Nan
Xue, Chun Jason
contents Vision-Language Models (VLMs) are increasingly applied in autonomous driving for unified perception and reasoning, but high inference latency hinders real-time deployment. Early-exit reduces latency by terminating inference at intermediate layers, yet its task-dependent nature limits generalization across diverse scenarios. We observe that this limitation aligns with autonomous driving: navigation systems can anticipate upcoming contexts (e.g., intersections, traffic lights), indicating which tasks will be required. We propose Nav-EE, a navigation-guided early-exit framework that precomputes task-specific exit layers offline and dynamically applies them online based on navigation priors. Experiments on CODA, Waymo, and BOSCH show that Nav-EE achieves accuracy comparable to full inference while reducing latency by up to 63.9%. Real-vehicle integration with Autoware Universe further demonstrates reduced inference latency (600ms to 300ms), supporting faster decision-making in complex scenarios. These results suggest that coupling navigation foresight with early-exit offers a viable path toward efficient deployment of large models in autonomous systems. Code and data are available at our anonymous repository: https://anonymous.4open.science/r/Nav-EE-BBC4
format Preprint
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institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Nav-EE: Navigation-Guided Early Exiting for Efficient Vision-Language Models in Autonomous Driving
Hu, Haibo
Huang, Lianming
Wang, Xinyu
Cui, Yufei
Wu, Shangyu
Guan, Nan
Xue, Chun Jason
Robotics
Artificial Intelligence
Vision-Language Models (VLMs) are increasingly applied in autonomous driving for unified perception and reasoning, but high inference latency hinders real-time deployment. Early-exit reduces latency by terminating inference at intermediate layers, yet its task-dependent nature limits generalization across diverse scenarios. We observe that this limitation aligns with autonomous driving: navigation systems can anticipate upcoming contexts (e.g., intersections, traffic lights), indicating which tasks will be required. We propose Nav-EE, a navigation-guided early-exit framework that precomputes task-specific exit layers offline and dynamically applies them online based on navigation priors. Experiments on CODA, Waymo, and BOSCH show that Nav-EE achieves accuracy comparable to full inference while reducing latency by up to 63.9%. Real-vehicle integration with Autoware Universe further demonstrates reduced inference latency (600ms to 300ms), supporting faster decision-making in complex scenarios. These results suggest that coupling navigation foresight with early-exit offers a viable path toward efficient deployment of large models in autonomous systems. Code and data are available at our anonymous repository: https://anonymous.4open.science/r/Nav-EE-BBC4
title Nav-EE: Navigation-Guided Early Exiting for Efficient Vision-Language Models in Autonomous Driving
topic Robotics
Artificial Intelligence
url https://arxiv.org/abs/2510.01795