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 **Nov 4, 2025**
 - We are releasing **[Stable Part Diffusion 4D (SP4D)](https://huggingface.co/stabilityai/sp4d)**, a video-to-4D diffusion model for multi-view part video synthesis and animatable 3D asset generation. For research purposes:
-    - **SP4D** was trained to generate 48 frames (4 video frames x 12 camera views) at 576x576 resolution, given a 4-frame input video of the same size, ideally consisting of white-background images of a moving object.
-    - Based on our previous 4D model [SV4D 2.0](https://huggingface.co/stabilityai/sv4d2.0), **SP4D** can simultaneously generate multi-view RGB videos as well as the corresponding kinematic part segmentations that are consistency across time and camera views.
+    - **SP4D** was trained to generate 48 RGB frames and part segmentation maps (4 video frames x 12 camera views) at 576x576 resolution, given a 4-frame input video of the same size, ideally consisting of white-background images of a moving object.
+    - Based on our previous 4D model [SV4D 2.0](https://huggingface.co/stabilityai/sv4d2.0), **SP4D** can simultaneously generate multi-view RGB videos as well as the corresponding kinematic part segmentations that are consistent across time and camera views.
     - The generated part videos can then be used to create animation-ready 3D assets with part-aware rigging capabilities.
     - Please check our [project page](https://stablepartdiffusion4d.github.io/), [arxiv paper](https://arxiv.org/pdf/2509.10687) and [video summary](https://www.youtube.com/watch?v=FXEFeh8tf0k) for more details.