DAViD: Modeling Dynamic Affordance of 3D Objects using Pre-trained Video Diffusion Models

• URL: http://arxiv.org/abs/2501.08333v2
• Date: Tue, 11 Mar 2025 21:35:21 GMT
• Title: DAViD: Modeling Dynamic Affordance of 3D Objects using Pre-trained Video Diffusion Models
• Authors: Hyeonwoo Kim, Sangwon Beak, Hanbyul Joo,
• Abstract summary: We present a novel framework for learning Dynamic Affordance across various target object categories.<n>To address the scarcity of 4D HOI datasets, our method learns the 3D dynamic affordance from synthetically generated 4D HOI samples.<n>We demonstrate that DAViD, our generative 4D human-object interaction model, outperforms baselines in HOI motion.
• Score: 9.103840202072336
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Modeling how humans interact with objects is crucial for AI to effectively assist or mimic human behaviors. Existing studies for learning such ability primarily focus on static human-object interaction (HOI) patterns, such as contact and spatial relationships, while dynamic HOI patterns, capturing the movement of humans and objects over time, remain relatively underexplored. In this paper, we present a novel framework for learning Dynamic Affordance across various target object categories. To address the scarcity of 4D HOI datasets, our method learns the 3D dynamic affordance from synthetically generated 4D HOI samples. Specifically, we propose a pipeline that first generates 2D HOI videos from a given 3D target object using a pre-trained video diffusion model, then lifts them into 3D to generate 4D HOI samples. Leveraging these synthesized 4D HOI samples, we train DAViD, our generative 4D human-object interaction model, which is composed of two key components: (1) a human motion diffusion model (MDM) with Low-Rank Adaptation (LoRA) module to fine-tune a pre-trained MDM to learn the HOI motion concepts from limited HOI motion samples, (2) a motion diffusion model for 4D object poses conditioned by produced human interaction motions. Interestingly, DAViD can integrate newly learned HOI motion concepts with pre-trained human motions to create novel HOI motions, even for multiple HOI motion concepts, demonstrating the advantage of our pipeline with LoRA in integrating dynamic HOI concepts. Through extensive experiments, we demonstrate that DAViD outperforms baselines in synthesizing HOI motion.

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