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SWIFT: Self-guided Weak-to-strong dIFfusion models via Target extrapolation

Researchers introduced Swift, a self-guided training method that uses a frozen weak denoiser to improve a stronger diffusion model without adding inference-time sampling cost. Swift targets the high computational expense of training high-quality diffusion models and the extra sampling cost that inference-time guidance typically adds. The method is described as simple yet effective, though the source excerpt provides no benchmark figures or quantitative results.

read1 min views1 publishedOct 21, 2026

Training high-quality diffusion models is computationally expensive, and inference-time guidance often adds further sampling cost. In this work, we introduce Swift, a simple yet effective self-guided training method that uses a frozen weak denoiser to improve a stronger model without adding inferenc

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