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About this paper

Kai Chen, Yanze Li, Wenhua Zhang, Yanxin Liu, Pengxiang Li, Ruiyuan Gao, Lanqing Hong, Meng Tian and 5 more

Researchers from HKUST, DUT, CUHK, and Huawei Noah's Ark Lab introduced CODA-LM, the first automated benchmark for evaluating Large Vision-Language Models (LVLMs) on self-driving corner cases. They also developed CODA-VLM, a novel driving LVLM, which achieved state-of-the-art performance among open-sourced models and surpassed GPT-4V by +21.42% in regional perception.

Key insights

  • Text-only LLMs (e.g., GPT-4) achieve higher consistency with human judgments (over 80%) when evaluating LVLM outputs than LVLM judges themselves.
  • A hierarchical data structure and 'structured-coherence' pipeline significantly improve the quality and consistency of pre-annotations generated by foundation models like GPT-4V for complex driving scenarios.
  • Visual cues embedded directly in images, such as red rectangular boxes for object visualization, are more effective for regional perception in LVLMs than text-based coordinate grounding.

Summary by alphaXiv.

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