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```
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```
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```
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#
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---
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license: mit
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datasets:
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- uoft-cs/cifar10
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- nyanko7/danbooru2023
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language:
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- en
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---
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# DDPM Project
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This repository contains the implementation of Denoising Diffusion Probabilistic Models (DDPM).
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## Table of Contents
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- [Introduction](#introduction)
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- [Installation](#installation)
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- [Usage](#usage)
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- [Contributing](#contributing)
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## Introduction
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Denoising Diffusion Probabilistic Models (DDPM) are a class of generative models that learn to generate data by reversing a diffusion process. This repository provides a comprehensive implementation of DDPM.
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## Installation
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To install the necessary dependencies, run:
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```bash
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pip install -r requirements.txt
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```
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## Usage
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To train the model, use the following command:
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```bash
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python train.py
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```
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To generate samples, use:
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```bash
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python generate.py
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```
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## Game
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To understand the model and it's workings, we're working on a cool cute little game where the user is the UNET reverser/diffusion model and is tasked to denoise the images with noise made of grids of lines.
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Use [learndiffusion.vercel.app](learndiffusion.vercel.app) to access the primitive version of the game. You can also contribute to the game by checking out at the diffusion_game branch. A new model showcase will also be added such that the model's weights are loaded from the internet, model's files are installed and loaded into a gradio interface for direct use/inference on the vercel. Feel free to make changes for the same, issue is opened.
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## Explanations and Mathematics
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- slides from presentation :
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- notes/explanations : [HERE](slides\notes)
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- a cute lab talk ppt:
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- plato's allegory : \<link to REPUBLIC>
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## Resources
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- Original Paper : https://arxiv.org/pdf/2006.11239
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- Improvement Paper : https://arxiv.org/abs/2102.09672
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- Improvement by OpenAI : https://arxiv.org/pdf/2105.05233
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- Stable Diffusion Paper : https://arxiv.org/abs/2112.10752
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-
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### Papers for background
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- UNET Paper for Biomedical Segmentation
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- Autoencooder
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- Variational Autoencoder
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- Markov Hierarchical VAE
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- Introductory Lectures on Diffusion Process
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### Youtube videos and courses
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#### Mathematics
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- Outliers
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- Omar Jahil
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#### Pytorch Implementation
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- [Deep Findr](https://www.youtube.com/watch?v=a4Yfz2FxXiY)
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- [Notebook from Deep Findr](https://colab.research.google.com/drive/1sjy9odlSSy0RBVgMTgP7s99NXsqglsUL?usp=sharing)
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## Pretrained Weights
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weights from the model can be found in [pretrained_weights](https://drive.google.com/drive/folders/1NiQDI3e67I9FITVnrzNPP2Az0LABRpic?usp=sharing)
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For loading the pretrained weights:
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```
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model2 = SimpleUnet()
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model2.load_state_dict(torch.load("/content/drive/MyDrive/Research Work/mlsa/DDPM/model_weights.pth"))
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model2.eval()
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```
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For making inferences
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TODO: Errors in the sampling function, boolean errors and etc. Will open issues for solving by others as exercise if needed.
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```
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num_samples = 8 # Number of images to generate
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image_size = (3, 32, 32) # Example for CIFAR10
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noise = torch.randn(num_samples, *image_size).to("cuda")
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model2.to("cuda")
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# Generate images by denoising
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with torch.no_grad():
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generated_images = model2.sample(noise)
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# Save the generated images
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save_image(generated_images, "generated_images.png", nrow=4, normalize=True)
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```
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## Contributing
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Contributions are welcome! Please open an issue or submit a pull request.
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## Future Ideas
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- Make the model onnx compatible for training and inferencing on Intel GPUs
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- Build a Stable Diffusion model Text2Img using CLIP implementationnnnn !!!
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- Train the current model for a much larger dataset with more generalizations and nuances
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