Adaptation to highly dynamic and articulated subjects

Determine how the 3DreamBooth one-frame optimization paradigm for 3D-aware video customization can be adapted to highly dynamic subjects with complex articulations (e.g., human bodies) and to objects undergoing drastic state changes over time, identifying any necessary modeling or training modifications to handle such temporal state variations.

Background

The paper proposes 3DreamBooth, a one-frame optimization strategy that injects a subject’s 3D identity into video diffusion models, and 3Dapter, a multi-view visual conditioning module. Their experiments primarily target rigid or static objects to demonstrate high-fidelity, view-consistent video generation.

In the Discussion and Limitations section, the authors explicitly note uncertainty about how their paradigm extends to highly dynamic, articulated subjects (such as humans) or objects with drastic state changes over time. Addressing this question is important for broadening applicability to scenarios involving complex motion and nonrigid deformations.

References

However, our current experiments primarily focus on rigid or static objects. It remains an open question how this paradigm adapts to highly dynamic subjects with complex articulations (e.g., human bodies) or objects undergoing drastic state changes over time.

3DreamBooth: High-Fidelity 3D Subject-Driven Video Generation Model  (2603.18524 - Ko et al., 19 Mar 2026) in Appendix, Discussion and Limitations