Gaze-Informed Vision Transformers: Predicting Driving Decisions Under Uncertainty

• URL: http://arxiv.org/abs/2308.13969v2
• Date: Thu, 09 Jan 2025 20:08:31 GMT
• Title: Gaze-Informed Vision Transformers: Predicting Driving Decisions Under Uncertainty
• Authors: Sharath Koorathota, Nikolas Papadopoulos, Jia Li Ma, Shruti Kumar, Xiaoxiao Sun, Arunesh Mittal, Patrick Adelman, Paul Sajda,
• Abstract summary: Vision Transformers (ViT) have advanced computer vision, yet their efficacy in complex tasks like driving remains less explored.<n>This study enhances ViT by integrating human eye gaze, captured via eye-tracking, to increase prediction accuracy in driving scenarios under uncertainty.
• Score: 5.006068984003071
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Vision Transformers (ViT) have advanced computer vision, yet their efficacy in complex tasks like driving remains less explored. This study enhances ViT by integrating human eye gaze, captured via eye-tracking, to increase prediction accuracy in driving scenarios under uncertainty in both real-world and virtual reality scenarios. First, we establish the significance of human eye gaze in left-right driving decisions, as observed in both human subjects and a ViT model. By comparing the similarity between human fixation maps and ViT attention weights, we reveal the dynamics of overlap across individual heads and layers. This overlap demonstrates that fixation data can guide the model in distributing its attention weights more effectively. We introduce the fixation-attention intersection (FAX) loss, a novel loss function that significantly improves ViT performance under high uncertainty conditions. Our results show that ViT, when trained with FAX loss, aligns its attention with human gaze patterns. This gaze-informed approach has significant potential for driver behavior analysis, as well as broader applications in human-centered AI systems, extending ViT's use to complex visual environments.

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