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Fréchet Forcing: Training Long-Horizon Streaming World Models with Short Video Clips

Fréchet Forcing proposes a fine-tuning method that keeps streaming video world models stable during long-horizon generation beyond the training length and lets them continue to follow action commands. The method applies a flow-matching loss where self-generated history meets real data, constrains context fidelity with a Fréchet distance centered on the real clip itself, and enforces visual realism with a Fréchet distance on real frames in a frozen perceptual space. All three constraints come from short video clips, with no teacher model, online judge, or long videos needed.

Part of the event: Fréchet Forcing Trains Long-Horizon World Models with Short Video Clips

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