Reproduce “DreamDance: Animating Character Art via Inpainting Stable Gaussian Worlds” on OpenResearch

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About this paper

Jiaxu Zhang, Xianfang Zeng, Xin Chen, Wei Zuo, Gang Yu, Guosheng Lin, Zhigang Tu

DreamDance presents a two-stage inpainting framework for 2D character animation, integrating stable 3D scene reconstruction via Gaussian Splatting with a pose-aware video inpainting model. This approach generates animations with consistent backgrounds and characters even during complex camera movements, outperforming existing methods in visual quality and user preference.

Key insights

  • Reframing character animation as a two-stage inpainting problem, separating stable scene reconstruction from dynamic character animation.
  • Integrating explicit 3D Gaussian fields to achieve consistent backgrounds and precise camera control in 2D animations.
  • Introducing an adaptive gating strategy that controls the influence of character appearance, pose, and background information during different denoising steps of the video generation process.

Summary by alphaXiv.

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