arXiv Computer Vision By Wang Tang, Fethiye Irmak Dogan, Linbo Qing, Ce Zhu, Hatice Gunes

Hierarchical Multimodal Interaction Reasoning for Dyadic Relationship Recognition

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The paper introduces HiRe-DRR, a Hierarchical Multimodal Interaction Reasoning framework for dyadic relationship recognition that organizes evidence across feature level, interaction type, and relationship hierarchy. It decomposes facial, bodily, acoustic, and textual cues into low- and high-level representations, builds homogeneous and heterogeneous cross-participant interactions, and employs a Mixture-of-Interaction Transformer with relation-aware sparse routing. A Hierarchical Conditional Loss provides coarse-to-fine supervision, and experiments on three benchmarks show HiRe-DRR outperforms existing image, video, and multimodal methods, with routing analysis revealing distinct interaction patterns for distant versus close relationships.

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