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Robotics

DynaFLIP: Rethinking Robotics Perception via Tri-Modal-Dynamics Guided Representation

Jusuk Lee, Seungjae Lee, Jonghun Shin, Hoseong Jung, Sungha Kim, Daesol Cho, H. Jin Kim, Jia-Bin Huang, Furong Huang

Featured June 5, 2026

Original Paper

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Simply

DynaFLIP teaches robots to understand how objects move by linking pictures, descriptions, and 3D motion, helping them focus on what matters for tasks instead of just looking at the background.

In depth
The paper introduces DynaFLIP, a framework that aligns image transitions, language, and 3D flow to create dynamics-aware visual representations. By minimizing the simplex volume spanned by these modalities in a shared latent space, the method forces the encoder to focus on control-relevant scene changes rather than static visual features.

Key Takeaways

  • 1
    The authors propose a simplex-guided alignment objective that captures higher-order geometric relationships between image transitions, language, and 3D flow.
  • 2
    The framework resolves geometric ambiguity and trivial collapse through a cosine regularizer and an InfoNCE-style contrastive loss.
  • 3
    The resulting visual backbone consistently outperforms static pre-trained baselines across diverse downstream policies, including Diffusion Policy and VLA models.

Conceptual Flow

HIGH LEVEL
1
Methodology: Tri-Modal Alignment

The system combines three different types of information to teach the robot how the world changes.

Images
Language
3D Motion
Align in Shared Space
Dynamics Aware Features
2
Results: Improved Control

Robots using this new method perform tasks much better than those using older, static methods.

Static Encoder
DynaFLIP Encoder
Train Robot Policy
Higher Success Rate