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New instructions needed to accommodate fact that the ESRGAN and GFPGAN packages are now installed by environment.yaml.
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The script also provides the ability to do face restoration and
upscaling with the help of GFPGAN and Real-ESRGAN respectively.
To use the ability, clone the **[GFPGAN
repository](https://github.com/TencentARC/GFPGAN)** and follow their
installation instructions. By default, we expect GFPGAN to be
installed in a 'GFPGAN' sibling directory. Be sure that the `"ldm"`
conda environment is active as you install GFPGAN.
As of version 1.14, environment.yaml will install the Real-ESRGAN package into the
standard install location for python packages, and will put GFPGAN into a subdirectory of "src"
in the stable-diffusion directory.
(The reason for this is that the standard GFPGAN distribution has a minor bug that adversely affects image
color.) Upscaling with Real-ESRGAN should "just work" without further intervention. Simply pass the --upscale (-U)
option on the dream> command line, or indicate the desired scale on the popup in the Web GUI.
You can use the `--gfpgan_dir` argument with `dream.py` to set a
For **GFPGAN** to work, there is one additional step needed. You will need to download and
copy the GFPGAN [models file](https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.3.pth)
into **src/gfpgan/experiments/pretrained_models**. On Mac and Linux systems, here's how you'd do it using
**wget**:
~~~~
> wget https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.3.pth src/gfpgan/experiments/pretrained_models/
~~~~
Make sure that you're in the stable-diffusion directory when you do this.
Alternatively, if you have GFPGAN installed elsewhere, or if you are using
an earlier version of this package which asked you to install GFPGAN in a
sibling directory, you may use the `--gfpgan_dir` argument with `dream.py` to set a
custom path to your GFPGAN directory. _There are other GFPGAN related
boot arguments if you wish to customize further._
You can install **Real-ESRGAN** by typing the following command.
```
pip install realesrgan
```
**Note: Internet connection needed:**
Users whose GPU machines are isolated from the Internet (e.g. on a
University cluster) should be aware that the first time you run