TextIM: Part-aware Interactive Motion Synthesis from Text

• URL: http://arxiv.org/abs/2408.03302v1
• Date: Tue, 6 Aug 2024 17:08:05 GMT
• Title: TextIM: Part-aware Interactive Motion Synthesis from Text
• Authors: Siyuan Fan, Bo Du, Xiantao Cai, Bo Peng, Longling Sun,
• Abstract summary: TextIM is a novel framework for synthesizing TEXT-driven human Interactive Motions. Our approach leverages large language models, functioning as a human brain, to identify interacting human body parts. For training and evaluation, we carefully selected and re-labeled interactive motions from HUMANML3D to develop a specialized dataset.
• Score: 25.91739105467082
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this work, we propose TextIM, a novel framework for synthesizing TEXT-driven human Interactive Motions, with a focus on the precise alignment of part-level semantics. Existing methods often overlook the critical roles of interactive body parts and fail to adequately capture and align part-level semantics, resulting in inaccuracies and even erroneous movement outcomes. To address these issues, TextIM utilizes a decoupled conditional diffusion framework to enhance the detailed alignment between interactive movements and corresponding semantic intents from textual descriptions. Our approach leverages large language models, functioning as a human brain, to identify interacting human body parts and to comprehend interaction semantics to generate complicated and subtle interactive motion. Guided by the refined movements of the interacting parts, TextIM further extends these movements into a coherent whole-body motion. We design a spatial coherence module to complement the entire body movements while maintaining consistency and harmony across body parts using a part graph convolutional network. For training and evaluation, we carefully selected and re-labeled interactive motions from HUMANML3D to develop a specialized dataset. Experimental results demonstrate that TextIM produces semantically accurate human interactive motions, significantly enhancing the realism and applicability of synthesized interactive motions in diverse scenarios, even including interactions with deformable and dynamically changing objects.

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