ResearchResearch paperRobotics & Embodied AI1 source · Oct 7, 2026

Spatial Latent Reasoning for Embodied Reference Understanding

We propose Spatial Latent Reasoning (SLR), a framework that structures this supervision around an ordered sequence of geometric and visual states.

Key points

  • Pointing-gesture visual grounding requires connecting hand geometry with the visual identity and extent of a referred object.
  • A spatial ray state is supervised by fingertip position and pointing direction, followed by four states aligned with target-region features.
  • To construct the visual targets, we introduce parity pooling, which applies polyphase grouping to average region tokens on four interleaved spatial supports.
  • These results support task-structured supervision for continuous pointing grounding.

Sources (1)

  • [1]Spatial Latent Reasoning for Embodied Reference Understanding
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 7, 04:20 AM
    We propose Spatial Latent Reasoning (SLR), a framework that structures this supervision around an ordered sequence of geometric and visual states.
    Pointing-gesture visual grounding requires connecting hand geometry with the visual identity and extent of a referred object.

Extractive summary: sentences quoted from the sources.

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