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# DDPM
A Simple implementation of DDPM model in PyTorch.
![](./images/Screenshot_20230314_225320.png)
![](./images/ezgif.com-gif-maker.gif)
## Traning
Before training, please set up the config.ini file:
```ini
[unet]
batch_size = 256
time_emb_dim = 128
device = cuda
epoch_num = 500
learning_rate = 1e-4
[ddpm]
iteration = 500
```
To start training, run:
```
$ python train.py
```
## Sampling
To generate 16 pictures, run the following command:
The pictures will be output to the `./output` directory.
```
$ python sample 16
```

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