Unified Vision-Centric Pedestrian Crossing Action Prediction via Adaptive Patch Projection and Proactive Spatial Rectification
On the map: Multimodal LLMs / vision-language models → Driving VLMs and open-vocabulary detection
Abstract (arXiv)
Vision cues are available and informative for pedestrian action prediction, but obtaining stable target-centric representations from video frames remains challenging without frame-level external perception cues. Thus, most methods rely on additional perception modules or multi-source information fusion, leaving the reliability of vision-centric setting an open question. To this end, we propose ViCross, a vision-centric pedestrian crossing action prediction framework powered by multimodal large language models, which maintains target-centric reasoning from video frames without additional perception modules beyond first-frame target initialization. While multimodal large language models exhibit strong visual understanding, applying them directly to vision-centric action prediction faces two challenges. First, accurately perceiving target pedestrians often requires high resolution inputs and dense visual tokenization, making full-frame encoding computationally prohibitive. ViCross tackles this with Variable Resolution Patch Mapping module for efficient token allocation while preserving key pedestrian details. Second, missing spatiotemporal priors hinder consistent cross frame reasoning. ViCross mitigates this with a Spatial Constraint Enhancement Strategy that captures past motion, future locations, and action semantics for training-time proactive spatial rectification. Extensive experiments show that ViCross delivers clear gains in vision-centric prediction settings and is competitive with multi-source fusion approaches in several settings. Code is available at https://github.com/2tianyao1/ViCross.git.
Key facts. No citing papers in the map yet (data through 14 Oct 2026). Placed in Driving VLMs and open-vocabulary detection, one of 16 directions in Multimodal LLMs / vision-language models. Builds on 30 of its 52 references that are in the map. First posted on arXiv 7 Sep 2026.
Builds on
30 of 52 references.
References · 30
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18 more
- 2021Conditional DETR for Fast Training Convergencecited by 424
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- 2026Adaptive Cross-Modal Fusion with Sparse Attention for Pedestrian Crossing Intention Prediction
- 2026Decoding Pedestrian Crossing Intention from Egocentric Vision via Vision Language Models
- 2026PEDESTRIANQA: A Benchmark for Vision-Language Models on Pedestrian Intention and Trajectory Prediction
- 2025SceneAware: Scene-Constrained Pedestrian Trajectory Prediction with LLM-Guided Walkability
- 2025GUIDE-CoT: Goal-driven and User-Informed Dynamic Estimation for Pedestrian Trajectory using Chain-of-Thought
- 2026Motion-as-Prompt: Enhancing Motion Reasoning in Multimodal Large Language Models via Motion-Guided Cross-Frame Visual Prompting
- 2024Gating Syn-to-Real Knowledge for Pedestrian Crossing Prediction in Safe Driving