Artificial IntelligencearXiv — cs.CVThu, May 28, 2026, 4:00 AMPositive

Bridging the Pose-Semantic Gap: A Cascade Framework for Text-Based Person Anomaly Search

A new framework called the Structure-Semantic Decoupled Cascade (SSDC) has been proposed to enhance text-based person anomaly search, addressing the Pose-Semantic Gap that arises when semantically different actions share similar skeletal geometries. This two-stage retrieval process includes Structure-Aware Coarse Retrieval and a multi-agent semantic verification module.

WPN Brief

  • What Happened

    A new framework called the Structure-Semantic Decoupled Cascade (SSDC) has been proposed to enhance text-based person anomaly search, addressing the Pose-Semantic Gap that arises when semantically different actions share similar skeletal geometries. This two-stage retrieval process includes Structure-Aware Coarse Retrieval and a multi-agent semantic verification module.

  • Why It Matters

    The SSDC framework is significant as it allows for efficient retrieval of specific behavioral events from surveillance archives using natural-language queries, potentially improving security and surveillance systems.

  • The Bigger Picture

    This development reflects a broader trend in artificial intelligence where multimodal large language models (MLLMs) are increasingly utilized to bridge gaps in understanding complex data, highlighting ongoing advancements in human motion understanding and the need for efficient processing of multimodal inputs.

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