谱扩散能量条件噪声调度与白化方法

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   arXiv · Artificial Intelligence

   谱扩散的能量条件噪声调度与白化方法

   论文提出能量自适应噪声调度与白化策略，用于变换域扩散模型，将全局谱白化与按变换系数能量及图像相关能量路径联合调制的噪声分配结合。该方法保持高斯过渡与闭式边缘分布，兼容标准 DDPM 和 DDIM，无需修改扩散架构。CIFAR-10 实验将紧凑 DCTdiff U-Net 变体的 Fréchet Inception Distance 从 142.48 降至 100.45。

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