SDXL Lightning Tutorial! 2 step generation in Fooocus

AI Quest
24 Feb 202405:18

TLDRThis tutorial introduces Stable Diffusion XL Lightning, a new release by bite dance, and guides viewers on how to install it locally into Focus, a user-friendly stable diffusion interface. The video demonstrates how to generate high-quality images in just two steps using the two-step and four-step models, with the one-step model being more experimental. After installing Focus, viewers are shown how to download and install the required 'Laura' files for SDXL Lightning. The tutorial also covers how to adjust settings like the aspect ratio, image number, and model selection to optimize the image generation process. The video showcases the impressive speed and quality of the generated images, even with fewer steps, and encourages viewers to try it out themselves for free.

Takeaways

  • 🎉 Stable Diffusion XL Lightning has been released by bite dance and can be installed locally into Focus, an easy-to-use interface for stable diffusion.
  • 🚀 The two-step generation model is claimed to produce high-quality images quickly, which is considered impressive if accurate.
  • 🔍 Focus can be easily installed by searching online, and the GitHub page is provided for more information.
  • 📂 After installing Focus, a specific folder structure is needed, and the SDXL Lightning models should be placed in the 'models/luras' directory.
  • 🔧 To enable SDXL Lightning in Focus, go to the 'Advanced' tab and select the desired model, adjusting the sampler and scheduler as necessary.
  • ⚙️ For the two-step model, the number of steps needs to be overridden in the 'developer debug mode' to match the model being used.
  • 🧩 Experimentation with styles is possible, and the script suggests trying different settings for optimal results.
  • 🐶 A demonstration is provided using a 'cute Corgi wearing a top hat', showcasing the speed and quality of the two-step model.
  • 👩‍🦰 The script also attempts to generate an image of a 'beautiful woman with purple hair and eyes', noting that additional steps may be needed for complex images.
  • 👉 Adjusting settings such as sharpness and the number of steps can lead to better image quality, as shown in the transition from two-step to four-step models.
  • 🔥 The four-step model is demonstrated to produce stunning and detailed images, such as a 'demonic warrior', in a very efficient manner.
  • 📸 The generated images are of high quality and the process is described as being very fast, showcasing the potential of SDXL Lightning.

Q & A

  • What is the name of the stable diffusion model discussed in the tutorial?

    -The tutorial discusses the Stable Diffusion XL Lightning model.

  • Which company has released the Stable Diffusion XL Lightning model?

    -The company that released the Stable Diffusion XL Lightning model is Bite Dance.

  • What is the easiest interface to use for stable diffusion mentioned in the transcript?

    -Focus is mentioned as the easiest interface to use for stable diffusion.

  • How many steps does the tutorial claim are needed to generate quality images with the Stable Diffusion XL Lightning model?

    -The tutorial claims that it can generate quality images in just two steps.

  • What is the name of the file that needs to be run to start the Focus application?

    -The file that needs to be run to start the Focus application is 'run.bat'.

  • In which folder should the downloaded 'Laura' files be placed for the Stable Diffusion XL Lightning to work in Focus?

    -The downloaded 'Laura' files should be placed in the 'models' then 'luras' folder within the Focus directory.

  • What is the aspect ratio that the tutorial suggests using for the best results with SDXL Lightning in Focus?

    -The tutorial suggests using an aspect ratio of 1x1 for the best results.

  • What are the two settings that need to be changed in the advanced tab to use the Stable Diffusion XL Lightning model?

    -The two settings that need to be changed are the sampler, which should be set to 'uler', and the scheduler, which should be set to 'sgm uniform'.

  • How many steps should the amount of steps be set to for the two-step model in the advanced tab?

    -For the two-step model, the amount of steps should be set to 2.

  • What is the name of the Corgi wearing a top hat in the example provided in the transcript?

    -The name of the Corgi wearing a top hat is not provided in the transcript.

  • What is the recommended action if the initial image generation does not look correct?

    -If the initial image generation does not look correct, the tutorial suggests turning down the guidance scale to around 1 and trying again.

  • What is the final verdict on the quality of images generated with the Stable Diffusion XL Lightning model using just four steps?

    -The final verdict is that the quality of images generated with the four-step model is impressive and considered incredible for the number of steps used.

Outlines

00:00

🚀 Installing Stable Diffusion XL Lightning into Focus

The video begins by introducing Stable Diffusion XL Lightning, a new release by Bite Dance. The host demonstrates how to install this model locally into Focus, which is presented as the most user-friendly interface for Stable Diffusion. The process involves downloading specific files named with 'Laura' from the Hugging Face page, as these are compatible with Focus. After downloading the desired models, the user is guided to place them into the 'models/luras' directory within the Focus folder. The video then explains how to launch Focus and activate the Stable Diffusion XL Lightning model by adjusting settings in the 'Advanced' tab, including the sampler and scheduler. The host tests the two-step and four-step models, noting the impressive speed and quality of image generation with the two-step model and the improved results with the four-step model. The video concludes with a demonstration of generating a complex image of a demonic warrior using a prompt from a Stable Diffusion prompt website.

05:02

🎉 Conclusion and Call to Action

The host wraps up the video by encouraging viewers to try out the Stable Diffusion XL Lightning model for themselves, emphasizing its free and open-source nature. They request a 'like' for the video and invite viewers to join their Discord community if they are passionate about AI. The video ends with a promise to see the audience in the next video installment.

Mindmap

Keywords

💡Stable Diffusion XL Lightning

Stable Diffusion XL Lightning is a recently released model by bite dance that is designed to generate high-quality images. It is a significant topic in the video as it is the main software being discussed and installed. The video provides a tutorial on how to install and use this model within the Focus interface, highlighting its ability to generate images in as few as two steps.

💡Focus

Focus is described as the easiest to use stable diffusion interface. It is the platform where Stable Diffusion XL Lightning is installed and operated. The video script details how to install Focus and subsequently install the Stable Diffusion XL Lightning model within it, emphasizing its user-friendly nature.

💡Two-step Generation

Two-step generation refers to the process of creating an image using only two steps, which is a feature of the Stable Diffusion XL Lightning model. The video aims to demonstrate the capability of this model to produce quality images with minimal steps, which is a central theme of the tutorial.

💡Laura

Laura, in the context of the video, refers to a specific type of file associated with the Stable Diffusion XL Lightning model that is compatible with the Focus interface. The script mentions downloading 'two-step Laura' and 'four-step Laura' files, indicating different versions of the model with varying step counts.

💡Uler Sampler

The Uler Sampler is a technical term mentioned in the script that refers to a specific algorithm used within the Stable Diffusion XL Lightning model to generate images. It is part of the settings that need to be adjusted in the Focus interface to utilize the model effectively.

💡SGM Uniform Scheduler

The SGM Uniform Scheduler is another technical term for an algorithmic component within the Stable Diffusion XL Lightning model. It is mentioned alongside the Uler Sampler as a setting that needs to be selected in the Focus interface for optimal image generation.

💡Guidance Scale

Guidance Scale is a parameter within the Stable Diffusion XL Lightning model that can be adjusted to control the level of detail or 'guidance' the model uses to generate an image. The video demonstrates adjusting the Guidance Scale to improve the image generation process.

💡Photorealistic

Photorealistic refers to the quality of the generated images, aiming to make them appear as if they were taken by a camera. The video emphasizes the photorealistic capability of the Stable Diffusion XL Lightning model, showcasing images that closely resemble real photographs.

💡Negative Prompts

Negative prompts are instructions given to the Stable Diffusion XL Lightning model to avoid including certain elements or styles in the generated images. They are used in the video to refine the image generation process and achieve more precise results.

💡Open Source

Open source indicates that the software or model is freely available and can be modified by anyone. The video mentions that the Stable Diffusion XL Lightning model is open source, which means it can be freely used, modified, and distributed by the community.

💡Discord

Discord is a communication platform mentioned in the video where enthusiasts can join to discuss AI and related topics. It is used as a call to action for viewers who are interested in AI to join the community for further engagement.

Highlights

Stable Diffusion XL Lightning has been released by Bite Dance.

Focus is the easiest to use stable diffusion interface.

Two-step generation can produce amazing quality images.

One-step model is experimental and may not be as reliable.

Focus can be installed easily and is free to use.

SDXL Lightning can be installed locally into Focus.

Different step models (two-step, four-step) are available for download.

Downloading Laura models is necessary to use SDXL Lightning in Focus.

The run.bat file is used to start the Focus application.

To enable SDXL Lightning, go to the Advanced tab and set the aspect ratio to 1x1.

Select the desired Laura model in the Models section to activate SDXL Lightning.

The Uler sampler and SGM uniform scheduler are recommended settings.

Override the number of steps for the model being used.

Experimenting with different styles can enhance image generation.

Generated a photorealistic Corgi wearing a top hat in just two steps.

Generated a beautiful woman with purple hair and eyes in two steps.

Increasing the sharpness improved the image quality.

Four-step model generated a stunning illustration of a demonic warrior.

Negative prompts can be included to refine the image generation process.

The speed and quality of image generation with SDXL Lightning are impressive.

SDXL Lightning is completely free and open source.