Change Pose to your image with Krita and Stable Diffusion!

Dacrikka, the Creattivo
20 Jun 202438:52

TLDRIn this tutorial, the presenter guides viewers through the process of changing a character's pose in an image using Krita and Stable Diffusion. They discuss the installation of necessary tools and emphasize the importance of considering hardware limitations. The video showcases the creation of a Supergirl image, demonstrating how to manipulate poses and refine details using various Krita features and Stable Diffusion's control net. The presenter also shares tips on upscaling and refining the image for better quality, providing a comprehensive guide to enhancing digital artwork with AI tools.

Takeaways

  • 😀 The tutorial demonstrates how to use Krita and Stable Diffusion to change a character's pose in an image.
  • 🛠️ The process requires careful handling of VRAM and memory due to the resource-intensive nature of the tools.
  • 💡 It's important to install necessary components like ControlNet, Script Ball, Art Soft, and others for seamless operation.
  • ⚙️ The video covers two different workloads: 1.5 for image creation and Excel for refining.
  • 🎨 The presenter uses 'Dream Shaper' settings and 'Live Style' to generate a Supergirl image, emphasizing the importance of resolution and aspect ratio.
  • 🔧 The AI image generation process involves using a control net to manipulate the character's pose, such as moving the arm and head.
  • 🖌️ Line art is used to overlay and create a base for further adjustments, with the option to clone and edit parts of the image to fix anomalies.
  • 📈 The tutorial shows how to upscale the image using Krita's upscaling feature and refine it with the Excel model for better details.
  • 🔄 Iterative refinement is key, with the ability to go back and forth between stages to correct and improve the image.
  • 🎭 The final result showcases the transformation from the original pose to a new, dynamic pose while maintaining the character's original features.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is demonstrating how to change a pose in an image using Krita and an addon for Stable Diffusion.

  • What are the system requirements mentioned for using the addon?

    -The addon is very demanding in terms of VRAM and memory, so the video advises caution when using it due to potential system strain.

  • Which versions of the workload does the presenter mention using?

    -The presenter mentions using two different workloads: the 1.5 version and the Excel version.

  • What does the presenter suggest for setting up the performance?

    -The presenter suggests setting the performance with a batch size of 1 and a diffusion tile size of 4K.

  • What is the purpose of using the 'hamburger' button in the AI image generation palette?

    -The 'hamburger' button is used to open the AI image generation palette where users can begin to interact with various options to modify the image.

  • How does the presenter create a line art layer from the current image?

    -The presenter uses the Stars button to generate a control layer from the current image, creating a line art layer.

  • What is the purpose of using the control net and pose in the image editing process?

    -The control net and pose are used to manipulate specific parts of the image, such as moving the arm or head, while maintaining the overall look of the character.

  • Why does the presenter use the clone tool in Krita?

    -The presenter uses the clone tool to fix or improve parts of the image, such as the arm, by duplicating and adjusting the existing elements.

  • What is the significance of the 'upscale' button mentioned in the video?

    -The 'upscale' button is used to increase the resolution of the image, and the presenter uses it in conjunction with the Excel model checkpoint for refinement.

  • How does the presenter handle multiple arms appearing in the image due to conflicting line art?

    -The presenter manually paints over the conflicting arm using the clone tool to create a new, single arm that fits the desired pose.

  • What is the final outcome the presenter aims to achieve with the image?

    -The presenter aims to achieve an image with a new pose, specifically a full body pose, while maintaining the original look and style of the character.

Outlines

00:00

🚀 Introduction to CR and Stable Diffusion

The speaker enthusiastically introduces the audience to a special feature involving CR and Stable Diffusion, emphasizing the need for specific installations and caution regarding the high demand on VRAM and memory. They mention using two different workloads, 1.5 and Excel, for image creation and refinement, respectively. The speaker advises setting performance parameters and using the GPU wisely to avoid freezing and losing work. The goal is to demonstrate how to use CR efficiently and make work easier, with a focus on creating a digital artwork of Supergirl.

05:03

🎨 AI Image Generation and Line Art Creation

The speaker guides the audience through the AI image generation process, focusing on the use of a 'hamburger' button to access a palette for creating line art. They choose 'line art' and 'Stars three stars' options to overlay a control layer from the current image, using Supergirl as a base. The speaker then creates another control layer for the pose, aiming to manipulate the image by moving the arm and hand. They discuss the importance of using the right control levels and strength settings to achieve the desired outcome without losing the original look of the character.

10:05

🖌️ Editing and Refining Line Art

The speaker continues to work on the image, addressing the issue of multiple arms appearing due to conflicting control layers. They use a cloning tool to paint a new arm, demonstrating how to rotate and position it correctly. The speaker also explains how to erase unwanted parts and merge layers to refine the image. They emphasize the importance of not being too precise, as the goal is to guide the AI in the right direction. The process involves trial and error, with the speaker renaming layers and ensuring they are set up correctly for the next steps.

15:08

🔄 Iterative Image Refinement

The speaker describes the iterative process of refining the image, using control pose and line art to adjust the character's head and arm positions. They mention the use of horizontal flipping and mirroring to achieve symmetry. Despite some initial messiness, the speaker uses cloning and erasing tools to clean up the image. They also discuss the importance of maintaining the original mood and facial features while making adjustments, aiming for a balance between the new pose and the character's original appearance.

20:12

📈 Upscaling and Further Refinement

The speaker explores the upscaling feature, using a default scaler to increase the image size while maintaining quality. They discuss the use of a digital upscaler and a refiner model checkpoint to add more details and improve the image. The speaker demonstrates how to adjust the strength of the control layers and how to use the refiner to enhance the image further. They also mention the importance of patience due to the demanding nature of these processes on the system's resources.

25:17

✏️ Artistic Touches and Final Adjustments

The speaker focuses on adding artistic touches to the image, such as fixing the hand and enhancing shadows. They discuss the use of a clone tool and the importance of not being overly precise, as the goal is to guide the AI in making the necessary adjustments. The speaker also talks about the possibility of further refinement and the use of different strength levels to achieve the desired outcome. They demonstrate how to iterate over the image, making incremental improvements and comparing the results with previous versions.

30:20

🔄 Iterative Improvement and Conclusion

The speaker concludes the tutorial by iterating over the image one more time, adjusting the strength of the control layers to achieve a closer match to the desired style. They discuss the challenges of managing multiple iterations and the importance of understanding the layer hierarchy to avoid confusion. The speaker demonstrates how to fix issues with the hand and nose, using both the cloning tool and manual adjustments. They wrap up by thanking the audience for watching and expressing hope that the tutorial was helpful for their journey in AI content creation.

Mindmap

Keywords

💡Krita

Krita is a professional FREE and open-source painting program. It is used for concept art, digital painting, and texture and matte painting. In the video, Krita is used as the primary tool for image creation and manipulation, showcasing its capabilities in generating and refining artwork with the help of AI.

💡Stable Diffusion

Stable Diffusion is a type of AI model used for generating images from text prompts. It is part of the broader category of diffusion models that have gained popularity for their ability to create detailed and realistic images. The video script discusses using Stable Diffusion in conjunction with Krita to enhance image generation.

💡Addon

An addon, in the context of the video, refers to additional software components that extend the functionality of a primary application. The script mentions an addon for Stable Diffusion, indicating that it is used to integrate AI capabilities with Krita for more advanced image manipulation.

💡VRAM

Video Random Access Memory (VRAM) is the memory used by a graphics processing unit (GPU) to store image data. The video script warns about the high VRAM requirements for the AI tools being used, suggesting that users should be mindful of their system's capabilities to avoid performance issues.

💡ControlNet

ControlNet is a feature or tool mentioned in the script, likely related to the addon for Stable Diffusion. It seems to be used for controlling and manipulating the AI-generated images, such as adjusting the pose of a character without affecting other aspects of the image.

💡Line Art

Line art refers to artwork that consists of pure lines that define the edges and contours of the subject. In the video, the presenter uses the term 'line art' when discussing the process of creating a base layer for further image manipulation, highlighting the importance of clear outlines in digital artwork.

💡Upscale

Upscaling in digital art refers to the process of increasing the resolution of an image while maintaining or improving its quality. The script describes using an 'upscale' feature to enhance the resolution of the AI-generated image, demonstrating a step in the refinement process.

💡Refiner

A refiner, in the context of the video, is a tool or process used to improve the details and quality of an image. The presenter mentions using a refiner in conjunction with the upscale feature, suggesting a multi-step process to achieve high-quality results.

💡Pose

In the video, 'pose' refers to the positioning of a character or subject in an image. The script describes using AI tools to change the pose of a character, such as moving an arm or turning the head, while keeping other elements of the image consistent.

💡Control Pose

Control Pose seems to be a specific feature or tool within the addon that allows for the manipulation of a character's pose. The script describes using Control Pose to adjust the position of body parts in the AI-generated image, such as moving a hand or arm.

Highlights

Introduction to using Krita and Stable Diffusion to change poses in images.

Requirements and installations needed for using CR and its stable diffusion addon.

Performance settings for using CR, emphasizing the importance of managing GPU resources.

Demonstration of creating an image using the 1.5 workload of CR.

Explanation of using 'Dream Shaper' and 'Live Style' settings for image generation.

Tutorial on generating a 4K image with specific character attributes.

Attempt to generate an image with a full body pose and the challenges encountered.

Technique to improve AI image generation by using a control net and line art.

Step-by-step guide on manipulating the pose of a generated character.

Use of the 'Control Pose' level in CR to adjust character limbs.

Strategy for maintaining character details while changing pose.

Approach to fixing issues with multiple limbs in generated images.

Technique for cloning and painting over areas to refine details.

Process of renaming layers in CR for better organization.

Explanation of the upscaling process using CR's capabilities.

Demonstration of refining an image using the Excel model checkpoint.

Final result showcase and comparison with the initial image.

Conclusion and summary of the process, emphasizing the potential of CR in AI content creation.