Fine-grained text-driven dual-human motion generation via dynamic hierarchical interaction

• URL: http://arxiv.org/abs/2510.08260v1
• Date: Thu, 09 Oct 2025 14:18:53 GMT
• Title: Fine-grained text-driven dual-human motion generation via dynamic hierarchical interaction
• Authors: Mu Li, Yin Wang, Zhiying Leng, Jiapeng Liu, Frederick W. B. Li, Xiaohui Liang,
• Abstract summary: We propose a fine-grained dual-human motion generation method, namely FineDual, to model dynamic hierarchical interaction.<n>The first stage, Self-Learning Stage, divides the dual-human overall text into individual texts.<n>The second stage, Adaptive Adjustment Stage, predicts interaction distance by an interaction distance predictor.<n>The last stage, Teacher-Guided Refinement Stage, utilizes overall text features as guidance to refine motion features at the overall level.
• Score: 31.055662466004254
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Human interaction is inherently dynamic and hierarchical, where the dynamic refers to the motion changes with distance, and the hierarchy is from individual to inter-individual and ultimately to overall motion. Exploiting these properties is vital for dual-human motion generation, while existing methods almost model human interaction temporally invariantly, ignoring distance and hierarchy. To address it, we propose a fine-grained dual-human motion generation method, namely FineDual, a tri-stage method to model the dynamic hierarchical interaction from individual to inter-individual. The first stage, Self-Learning Stage, divides the dual-human overall text into individual texts through a Large Language Model, aligning text features and motion features at the individual level. The second stage, Adaptive Adjustment Stage, predicts interaction distance by an interaction distance predictor, modeling human interactions dynamically at the inter-individual level by an interaction-aware graph network. The last stage, Teacher-Guided Refinement Stage, utilizes overall text features as guidance to refine motion features at the overall level, generating fine-grained and high-quality dual-human motion. Extensive quantitative and qualitative evaluations on dual-human motion datasets demonstrate that our proposed FineDual outperforms existing approaches, effectively modeling dynamic hierarchical human interaction.

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