Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

IR-SDE的理论问题 #119

Open
LiJiajun000322 opened this issue Dec 4, 2024 · 3 comments
Open

IR-SDE的理论问题 #119

LiJiajun000322 opened this issue Dec 4, 2024 · 3 comments

Comments

@LiJiajun000322
Copy link

想请问作者,IR-SDE在反向扩散过程中,起点是LQ还是纯噪声呢?我有看通常的做法是从噪声出发,然后LQ作为条件加入,这两种的做法理论区别是什么呢

@Algolzw
Copy link
Owner

Algolzw commented Dec 5, 2024

你好,IR-SDE起点是LQ加上噪声。这两种做法都可以,不过LQ作为条件直接加的话比较生硬,具体可以看下我们这篇综述论文哈:Taming Diffusion Models for Image Restoration: A Review.

@LiJiajun000322
Copy link
Author

好的,IR-SDE就是完全的高斯噪声+LQ图像作为扩散起点,然后中间的条件只有时间?

@Algolzw
Copy link
Owner

Algolzw commented Dec 18, 2024

是的。但在implement时发现加入LQ image作为条件效果会更好。

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

2 participants