stable diffusion + Krita workflow for reliably creating good images

koiboi
8 Sept 202211:59

TLDRThis tutorial demonstrates a reliable workflow for creating high-quality images using Stable Diffusion and Krita. The process involves generating images based on refined prompts, iteratively improving them by adjusting parameters and using advanced illustration features. The video guides viewers through selecting the best images, manually editing them, and using AI to enhance details like adding a child with a shadow on a beach. The goal is to achieve more intentional and coherent images by combining traditional illustration techniques with AI.

Takeaways

  • πŸ˜€ The tutorial focuses on creating high-quality images using Stable Diffusion and a Creator plugin called SD plugin.
  • πŸ”§ The process involves generating multiple images and iteratively refining them to achieve the desired outcome.
  • πŸ–ΌοΈ A 512 by 512 canvas size is recommended as it suits the machine learning model's preferences.
  • πŸ’‘ The importance of crafting a good prompt is emphasized, with the speaker sharing their experience of going through many iterations to get a reliable prompt.
  • 🎨 The tutorial demonstrates how to use advanced illustration features to modify and enhance the generated images.
  • πŸ› οΈ Parameters like 'batch cam' and 'steps' are discussed, with the latter referring to the number of layers or passes the AI uses to refine the image.
  • πŸ—‘οΈ The speaker shows how to discard unusable images and focus on the ones that meet the criteria, using the SD plugin to edit them.
  • βœ‚οΈ Techniques for removing unwanted elements from an image and replacing them with parts of the image are demonstrated.
  • πŸ‘Ά The addition of new elements, such as a small child, is explored using the image-to-image function with varying denoising strengths.
  • 🌊 The tutorial concludes with a final image that combines manual drawing and AI-generated elements to create a more intentional and refined result.
  • πŸ”— The speaker encourages sharing of similar workflows and resources, highlighting the importance of documenting this emerging field.

Q & A

  • What is the main focus of the tutorial in the transcript?

    -The main focus of the tutorial is to guide users through the process of creating a nice image using the stable diffusion AI model with the help of a Creator plugin, and then refining the image using advanced illustration features in Krita.

  • What is the SD plugin mentioned in the transcript?

    -The SD plugin is a tool used in the tutorial for working with stable diffusion, allowing users to generate and manipulate images. The plugin's name is not explicitly mentioned, but it's integral to the workflow described.

  • Why is a 512 by 512 canvas size recommended for the AI model in the tutorial?

    -A 512 by 512 canvas size is recommended because it is what the machine learning model prefers, likely due to its ability to handle the complexity of images at this resolution effectively.

  • What is the significance of the 'prompt' in the context of stable diffusion?

    -The 'prompt' is a descriptive text input that guides the AI model to generate an image with specific characteristics. It is significant because it directly influences the output of the AI, and refining the prompt is a key part of achieving desired results.

  • How does the tutorial approach the iterative process of image generation?

    -The tutorial describes an iterative process where multiple images are generated based on a prompt, reviewed for quality, and then the prompt is adjusted based on the results until satisfactory images are produced.

  • What is the role of 'batch cam' and 'steps' in the image generation process?

    -In the context of the tutorial, 'batch cam' refers to the number of images generated in one go, while 'steps' refers to the number of iterations or layers added to refine the image. More steps typically mean more detail and refinement by the AI.

  • Why does the tutorial suggest adding qualifiers like 'lonely', 'quiet', and 'empty' to the prompt?

    -These qualifiers are added to the prompt to influence the AI to generate images with less noise and fewer people, focusing more on the landscape, which aligns with the desired outcome of the tutorial.

  • How is the image edited after initial generation in the tutorial?

    -After initial generation, the image is edited by manually removing unwanted elements using Krita's illustration tools, such as copying and pasting parts of the image to cover unwanted areas.

  • What is the 'image to image' function used for in the tutorial?

    -The 'image to image' function is used to refine a rough sketch by the user into a more detailed and stylistically consistent image, leveraging the AI's ability to understand and enhance the sketch based on the original image.

  • How does the tutorial handle the addition of new elements like a person to the image?

    -The tutorial suggests first drawing a rough sketch of the new element on a separate layer and then using the AI's 'image to image' function to refine the sketch into a more detailed and fitting addition to the image.

  • What is the final outcome of the tutorial in terms of the image?

    -The final outcome is an image that has been iteratively refined through both manual illustration techniques and AI-assisted generation, resulting in a detailed and intentional scene that aligns with the user's vision.

Outlines

00:00

🎨 Generating Images with Stable Diffusion

The paragraph discusses the process of generating images using stable diffusion with a Creator plugin. The speaker shares their experience of achieving good results about 90% of the time locally. They plan to guide viewers step by step on how to create appealing images using this free tool available on any operating system. The tutorial will explore advanced illustration features to modify and enhance images beyond just generating them. The speaker also mentions using a specific plugin, referred to as the 'SD plugin,' and plans to cover its installation in a different video. The process involves setting up a 512 by 512 canvas, which is preferred by the machine learning model, and using a refined prompt that took many iterations to perfect. The speaker plans to generate multiple images with varying parameters to find the best results, aiming to create a landscape-focused image without too much focus on people.

05:01

πŸ–ŒοΈ Refining the Image with Illustration Techniques

In this section, the speaker explains how to refine the generated image using illustration software functions. They remove unwanted elements from the image and replace them with parts of the image that are more desirable. The speaker is pleased with the result and decides to add a small child to the scene to enhance the image further. They use an 'image to image' function to transform a rough sketch of a child into a more detailed and stylized figure. After several attempts with different parameters, they find a version that closely resembles their sketch and adds a nice shadow, which they believe improves the image. The speaker iterates over the process, making adjustments and generating more variations to achieve the desired outcome, emphasizing the importance of denoising strength in maintaining the original image's details.

10:04

πŸ” Final Touches and Conclusion

The final paragraph summarizes the workflow from starting with a blank canvas to creating a refined image using a combination of AI and traditional illustration techniques. The speaker reflects on the process of generating images, manually drawing elements, and using AI to enhance and finalize the artwork. They express satisfaction with the final result, acknowledging that it is better than what they could have drawn manually. The speaker also encourages viewers to share similar workflows or examples and to document their experiences in this emerging field. They conclude by inviting viewers to explore and contribute to the development of AI-assisted illustration techniques.

Mindmap

Keywords

Stable Diffusion

Stable Diffusion is an AI model used for generating images from text prompts. In the context of the video, it is the primary tool used to create images. The video demonstrates how to use Stable Diffusion effectively to produce high-quality images by iterating over prompts and refining the process.

Krita

Krita is a free and open-source digital painting application. The video mentions using Krita to manipulate and refine images generated by Stable Diffusion, showcasing the synergy between AI-generated content and traditional illustration tools.

Creator plugin

The Creator plugin is a software tool that integrates with Krita to enhance its functionality, particularly with AI image generation. The video suggests using this plugin to improve the workflow for creating images with Stable Diffusion.

Prompt

A 'prompt' in the context of AI image generation refers to the text description that guides the AI in creating an image. The video discusses the iterative process of refining prompts to achieve desired outcomes in image generation.

Machine Learning Model

The machine learning model mentioned in the video is the underlying AI that interprets prompts and generates images. The video touches on the importance of understanding how these models work to get the best results from AI image generation.

Canvas

In digital art, a 'canvas' refers to the virtual space where the image is created. The video specifies a '512 by 512 canvas' as the preferred size for the AI model to generate images, indicating the technical considerations in the process.

Batch Cam

Batch Cam is a term used in the video to refer to the process of generating multiple images at once. It highlights the efficiency of using AI to create multiple versions of an image to select the best outcome.

Steps

In the video, 'steps' refers to the number of iterations or layers the AI goes through to refine an image. The more steps, the more detailed and refined the final image can be, as the AI has more opportunities to improve it.

Denoising Strength

Denoising strength is a parameter in AI image generation that controls how closely the AI adheres to the original input when generating new images. A lower denoising strength means the AI sticks closer to the original, while a higher strength allows for more creative freedom.

Image to Image Function

The image to image function is a feature within the AI tool that allows users to input a rough sketch and have the AI generate a more refined version. The video demonstrates using this function to add elements like a child to the scene, showcasing how AI can assist in the creative process.

Local Maxima

In the context of the video, 'local maxima' refers to a point where the AI has reached an optimal outcome for a given set of parameters. The video discusses reaching a local maxima in image quality and then adjusting parameters to explore further improvements.

Highlights

Achieving a 90% success rate in generating good images using Stable Diffusion locally.

Tutorial covers step-by-step process of creating nice images with the Creator plugin.

The Creator plugin is free and can be installed on any operating system.

Using advanced illustration features to manipulate and enhance generated images.

Starting with a 512 by 512 canvas size preferred by the machine learning model.

Iterative process of generating and refining prompts to achieve desired image results.

Importance of adjusting the number of steps in the generation process for image quality.

Batch generation of images to increase the chances of getting a desirable outcome.

Adding qualifiers to the prompt to influence the focus of the generated images.

Manual selection and rejection of generated images based on their relevance to the desired outcome.

Using the image-to-image function to add or modify elements in the generated image.

Drawing a simple figure and using AI to refine it into a detailed character.

Experimenting with denoising strength to balance AI creativity with adherence to the original drawing.

Iterative refinement of AI-generated images to achieve a more realistic and desired outcome.

Combining traditional illustration techniques with AI to create more intentional and controlled images.

Final review of the workflow from a blank canvas to a refined, AI-assisted illustration.

Call for community sharing of similar workflows to document and improve the emerging field of AI-assisted illustration.