Comments (5)
Hi @wileewang , how do you generate the samples? I'm having some troubles with obtaining samples of the reverse process.
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Hello, have you solved it? I am also meeting the same color problems.
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Hi @zxyf1213 , you are probably using the wrong function. If you have issues with the colors of the images, and you notice that the histogram is becoming a gaussian, it mean that you are ADDING noise, so you are using the forward process (q-sample). I do not exactly remember what I used, but try to use self.diffusion.p_sample_loop or a variation of that, since it allows you to apply the reverse process. Good luck.
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@alezuech Thank you very much for receiving your reply. I training the improved_diffusion on cityscapes dataset and I haven't changed the original code of the repository, so there isn't like I used the wrong sample process. I don't know why there is a color problem when training diffusion model on cityscapes dataset, and the problem has been bothering me for a long time, do you have any opinion on it?
from diffusion.
@alezuech Thank you very much for receiving your reply. I training the improved_diffusion on cityscapes dataset and I haven't changed the original code of the repository, so there isn't like I used the wrong sample process. I don't know why there is a color problem when training diffusion model on cityscapes dataset, and the problem has been bothering me for a long time, do you have any opinion on it?
have you resolved the problem? Thanks.
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Related Issues (20)
- Evaluation during training? HOT 1
- Please add a license to this repo
- Rate-Distortion Computation
- Training on CIFAR10
- question about time embedding
- What is the ‘bpd’ in code? HOT 1
- Question about diffusion rate β_t HOT 1
- project for pytorch. HOT 1
- can't download model and samble
- Questions about sampling implementation HOT 1
- how to setup this project HOT 1
- How to run training or evaluation? HOT 1
- Could you share your gpu code?
- nll test
- Sampling algorithm differ from paper. HOT 5
- Trouble with Output HOT 2
- Training epochs on different datasets
- how to reconstructions input image like Fig.8 in paper? HOT 2
- Reconstructed celeb_a_hq images have good edges but wrong color histogram. Why? HOT 2
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