Vidar: Embodied Video Diffusion Model for Generalist Manipulation
On the map: Diffusion models → Diffusion and flow policies for robotics
Abstract (arXiv)
Scaling general-purpose manipulation to new robot embodiments remains challenging: each platform typically needs large, homogeneous demonstrations, and end-to-end pixel-to-action pipelines may degenerate under background and viewpoint shifts. Based on previous advances in video-based robot control, we present Vidar, consisting of an embodied video diffusion model as the generalizable prior and a masked inverse dynamics model (MIDM) as the adapter. We leverage a video diffusion model pre-trained at Internet scale, and further continuously pre-train it for the embodied domain using 750K multi-view trajectories collected from three real-world robot platforms. For this embodied pre-training, we introduce a unified observation space that jointly encodes robot, camera, task, and scene contexts. The MIDM module learns action-relevant pixel masks without dense labels, grounding the prior into the target embodiment's action space while suppressing distractors. With only 20 minutes of human demonstrations on an unseen robot (1% of typical data), Vidar outperforms state-of-the-art baselines and generalizes to unseen tasks, backgrounds, and camera layouts. Our results suggest a scalable recipe for "one prior, many embodiments": strong, inexpensive video priors together with minimal on-robot alignment.
Key facts. Cited by 62 papers in the map (data through 14 Oct 2026). Placed in Diffusion and flow policies for robotics, one of 14 directions in Diffusion models. Builds on 38 of its 45 references that are in the map. First posted on arXiv 17 Jul 2025.
Builds on
38 of 45 references.
Closest ancestors · 3
Same direction, newest first
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- 2024RDT-1B: a Diffusion Foundation Model for Bimanual Manipulation10 Oct
- 2023Zero-Shot Robotic Manipulation with Pretrained Image-Editing Diffusion Models16 Oct
Other references · 35
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