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不太理解公式2怎么来的 #96

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ZihaoZheng98 opened this issue Oct 10, 2023 · 1 comment

ZihaoZheng98 commented Oct 10, 2023

您好，在DDPM的论文里，给出了预测noise的目标函数，想请问一下这个预测x0是怎么得到的呢？

massarfusion commented Nov 8, 2023

预测x0和eps都是可行的选项，DDPM实验下来发现生成任务中预测eps效果更好；预测了x0一样可以推算得到x_t-1

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