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Using Stable Diffusion with Python

Using Stable Diffusion with Python

By : Andrew Zhu (Shudong Zhu)
4.8 (5)
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Using Stable Diffusion with Python

Using Stable Diffusion with Python

4.8 (5)
By: Andrew Zhu (Shudong Zhu)

Overview of this book

Stable Diffusion is a game-changing AI tool that enables you to create stunning images with code. The author, a seasoned Microsoft applied data scientist and contributor to the Hugging Face Diffusers library, leverages his 15+ years of experience to help you master Stable Diffusion by understanding the underlying concepts and techniques. You’ll be introduced to Stable Diffusion, grasp the theory behind diffusion models, set up your environment, and generate your first image using diffusers. You'll optimize performance, leverage custom models, and integrate community-shared resources like LoRAs, textual inversion, and ControlNet to enhance your creations. Covering techniques such as face restoration, image upscaling, and image restoration, you’ll focus on unlocking prompt limitations, scheduled prompt parsing, and weighted prompts to create a fully customized and industry-level Stable Diffusion app. This book also looks into real-world applications in medical imaging, remote sensing, and photo enhancement. Finally, you'll gain insights into extracting generation data, ensuring data persistence, and leveraging AI models like BLIP for image description extraction. By the end of this book, you'll be able to use Python to generate and edit images and leverage solutions to build Stable Diffusion apps for your business and users.
Table of Contents (29 chapters)
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Free Chapter
1
Part 1 – A Whirlwind of Stable Diffusion
8
Part 2 – Improving Diffusers with Custom Features
15
Part 3 – Advanced Topics
21
Part 4 – Building Stable Diffusion into an Application

Generation seed

In Stable Diffusion, a seed is a random number that is used to initialize the generation process. The seed is used to create a noise tensor, which is then used by the diffusion model to generate an image. The same seed together with the same prompt and settings will generally produce the same image.

The generation seed is needed for two reasons:

  • Reproducibility: By using the same seed, you can consistently generate the same image with identical settings and prompts.
  • Exploration: You can discover diverse image variations by altering the seed number. This often leads to the emergence of novel and intriguing images.

When a seed number is not provided, the Diffusers package automatically generates a random number for each image creation process. However, you have the option to specify your preferred seed number, as demonstrated in the following Python code:

my_seed = 1234
generator = torch.Generator("cuda:0").manual_seed(my_seed)
prompt...

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