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AI Toolkit by Ostris

IMPORTANT NOTE - READ THIS

This is an active WIP repo that is not ready for others to use. And definitely not ready for non developers to use. I am making major breaking changes and pushing straight to master until I have it in a planned state. I have big changes planned for config files and the general structure. I may change how training works entirely. You are welcome to use but keep that in mind. If more people start to use it, I will follow better branch checkout standards, but for now this is my personal active experiment.

Report bugs as you find them, but not knowing how to train ML models, setup an environment, or use python is not a bug. I will make all of this more user-friendly eventually

I will make a better readme later.

Installation

Requirements:

  • python >3.10
  • Nvidia GPU with enough ram to do what you need
  • python venv
  • git

Linux:

git clone https://github.com/ostris/ai-toolkit.git
cd ai-toolkit
git submodule update --init --recursive
python3 -m venv venv
source venv/bin/activate
# or source venv/Scripts/activate on windows
pip3 install -r requirements.txt

Current Tools

I have so many hodge podge scripts I am going to be moving over to this that I use in my ML work. But this is what is here so far.

LoRA (lierla), LoCON (LyCORIS) extractor

It is based on the extractor in the LyCORIS tool, but adding some QOL features and LoRA (lierla) support. It can do multiple types of extractions in one run. It all runs off a config file, which you can find an example of in config/examples/extract.example.yml. Just copy that file, into the config folder, and rename it to whatever_you_want.yml. Then you can edit the file to your liking. and call it like so:

python3 run.py config/whatever_you_want.yml

You can also put a full path to a config file, if you want to keep it somewhere else.

python3 run.py "/home/user/whatever_you_want.yml"

More notes on how it works are available in the example config file itself. LoRA and LoCON both support extractions of 'fixed', 'threshold', 'ratio', 'quantile'. I'll update what these do and mean later. Most people used fixed, which is traditional fixed dimension extraction.

process is an array of different processes to run. You can add a few and mix and match. One LoRA, one LyCON, etc.

LoRA Slider Trainer

This is how I train most of the recent sliders I have on Civitai, you can check them out in my Civitai profile. It is based off the work by p1atdev/LECO and rohitgandikota/erasing But has been heavily modified to create sliders rather than erasing concepts. I have a lot more plans on this, but it is very functional as is. It is also very easy to use. Just copy the example config file in config/examples/train_slider.example.yml to the config folder and rename it to whatever_you_want.yml. Then you can edit the file to your liking. and call it like so:

python3 run.py config/whatever_you_want.yml

There is a lot more information in that example file. You can even run the example as is without any modifications to see how it works. It will create a slider that turns all animals into dogs(neg) or cats(pos). Just run it like so:

python3 run.py config/examples/train_slider.example.yml

And you will be able to see how it works without configuring anything. No datasets are required for this method. I will post an better tutorial soon.

WIP Tools

VAE (Variational Auto Encoder) Trainer

This works, but is not ready for others to use and therefore does not have an example config. I am still working on it. I will update this when it is ready. I am adding a lot of features for criteria that I have used in my image enlargement work. A Critic (discriminator), content loss, style loss, and a few more. If you don't know, the VAE for stable diffusion (yes even the MSE one, and SDXL), are horrible at smaller faces and it holds SD back. I will fix this. I'll post more about this later with better examples later, but here is a quick test of a run through with various VAEs. Just went in and out. It is much worse on smaller faces than shown here.

TODO

  • Add proper regs on sliders
  • Add SDXL support (base model only for now)
  • Add plain erasing
  • Make Textual inversion network trainer (network that spits out TI embeddings)