Stable Diffusion Inpainting Tutorial

27 Feb 202411:59

TLDRIn this tutorial, the speaker discusses the use of Stable Diffusion for image editing, specifically focusing on inpaint techniques to fix mistakes and enhance images. The preferred model is the Juggernaut XL Version 9, with settings including DPM++ 2M Karras, 30 sampling steps, a 1024-pixel size, and a CFG scale of 7. The video demonstrates various techniques such as changing a hand in a cinematic photo, modifying a bunny's head in a desert scene, removing a toy boat from a pool, and adding a cowboy bunny to an empty desert. The speaker also covers how to adjust settings like denoise strength, mask blur, and masked content to achieve desired results. The tutorial emphasizes the iterative process of generating and refining images until the desired outcome is achieved.


  • 🎨 Use Stable Diffusion for inpaint to fix mistakes and enhance images.
  • πŸ–₯️ Utilize the Stable Diffusion Forge interface with the Juggernaut XL Version 9 and DPM++ 2M Karras 30 sampling steps.
  • πŸ“ Set image size to 1024 pixels and CFG scale to 7 for optimal results.
  • πŸ”„ Keep regenerating until you get a satisfactory result with fewer errors.
  • πŸ–ŒοΈ Adjust denoise strength and use the 'inpaint' feature to modify specific parts of the image.
  • πŸ–ΌοΈ Use the 'inpaint mask' option to change the interior of the selection and 'inpaint not masked' to keep the selected area unchanged.
  • πŸ“ Expand the selection's bounding box to allow the model to understand the context better for more accurate image modifications.
  • 🧩 Experiment with different seeds to find the best result for your desired image.
  • 🚫 To remove an object, use the 'fill' option to replace it with a similar color or pattern from the image.
  • βž• To add a new subject, use the 'latent noise' option and adjust the denoise strength for better blending.
  • πŸ”„ For color changes, use the 'fill' option and iterate with different denoise strengths until the desired color is achieved.

Q & A

  • What is the topic of the video?

    -The video is a tutorial on using stable diffusion for inpainting, which is a technique to fix mistakes and improve images.

  • Which interface is used in the video for the stable diffusion model?

    -The video uses the stable diffusion Forge interface for the model.

  • What are the preferred settings for the model checkpoint and sampling method?

    -The preferred settings are Juggernaut XL Version 9 with the sampling method DPM++ 2M Karras 30 sampling steps, a size of 1024 pixels, and a CFG scale of 7.

  • How does one start the image generation process in the video?

    -The process starts with selecting an image, such as a cinematic photo, and hitting the generate button.

  • What is the purpose of the 'inpaint' option in the video?

    -The 'inpaint' option is used to make changes to a specific portion of the image without affecting the rest.

  • How does one change the denoise strength in the image-to-image tab?

    -In the image-to-image tab, one can change the denoise strength by adjusting the slider to the desired value, such as around 0.6 or 0.65.

  • What is the use of the 'fill' option in the inpaint feature?

    -The 'fill' option is used to remove something from the image by filling the area with the color of the image.

  • How can one adjust the selection area for better results?

    -One can adjust the selection area by adding small dots to expand the bounding box, which allows the model to understand the context better and create better proportions and scale.

  • What is the significance of the 'masked content is original' setting?

    -The 'masked content is original' setting ensures that the original content within the selection is retained, while the rest of the image is altered according to the prompt.

  • How does one add a new subject to an empty scene using the inpaint feature?

    -To add a new subject, one should paint a selection in the desired area, use the inpaint feature with the appropriate settings, and include a description of the subject in the prompt.

  • What is the role of the 'latent noise' option when adding a new subject to an image?

    -The 'latent noise' option helps to generate shapes and forms in areas where there were none, providing a basis for the new subject to be added.

  • How can one change the color of an object in the image using the inpaint feature?

    -To change the color of an object, one should use the 'fill' option, make a selection around the object, adjust the denoise strength, and include the desired color in the prompt.



🎨 Image Enhancement with Stable Diffusion

The first paragraph introduces the concept of using Stable Diffusion, an AI model, to improve and fix images. The speaker utilizes the Forge interface with the Juggernaut XL, Version 9 model and the DPM++ 2M Karras 30 sampling method. The process involves generating images until a satisfactory result is achieved, then using the 'inpaint' feature to make targeted changes. The speaker also discusses adjusting the denoise strength, using different prompts for specific outcomes, and the importance of the mask blur and inpaint options for achieving the desired results.


πŸ–ŒοΈ Modifying and Removing Image Elements

The second paragraph delves into the techniques for modifying specific parts of an image, such as changing the expression on a face or the head of a bunny to a robotic one. It also covers how to remove unwanted objects, like a toy boat from a pool, using the 'fill' option to replace it with a similar color from the image. The speaker emphasizes the need for experimenting with mask and denoise settings to achieve a natural blend. Additionally, the paragraph explores adding new elements to an image, like a cowboy bunny in a desert, and the use of latent noise for more abstract results.


πŸ‘• Color and Detail Adjustments in Image Editing

The third paragraph focuses on more complex editing tasks like changing the color of a shirt in an image to blue. It discusses the challenges of altering colors and the use of the 'fill' option for better results. The speaker also shares tips on refining the selection and using different settings to improve the blending of the edited area with the rest of the image. The paragraph concludes with a reminder to use the help tab for further guidance on using the various options available in the Stable Diffusion interface.



πŸ’‘Stable Diffusion

Stable Diffusion is a term referring to a type of machine learning model used for generating images from textual descriptions. In the context of the video, it is the core technology that enables the inpaint feature, allowing users to fix mistakes or enhance images by generating new parts based on existing ones.


Inpainting is a process within image editing where missing or unwanted parts of an image are filled in or 'painted over' to create a seamless and natural-looking result. In the video, the speaker demonstrates how to use inpainting to correct errors and modify elements within an image using Stable Diffusion.


Image-to-Image is a feature in the Stable Diffusion Forge interface that allows users to modify an existing image by generating a new version based on a textual prompt. The speaker uses this feature to make changes to the initial generated image, such as altering the appearance of a hand or the face of a character.


In the context of image generation, a seed is a numerical value that determines the starting point for the generation process. The speaker discusses finding a 'good seed' that produces an image with fewer mistakes, which can then be used as a basis for further inpaint adjustments.

πŸ’‘Denoising Strength

Denoising Strength is a parameter in image generation models that controls the level of noise reduction applied to the generated image. The speaker adjusts this value to achieve a balance between detail and noise in the generated images, affecting the final output's quality.

πŸ’‘Mask Blur

Mask Blur refers to the level of blur applied to the edges of a selected area in an image. The speaker uses this feature to control how the generated content blends with the existing image, ensuring a smooth transition between the modified and unmodified parts.

πŸ’‘Mask Mode

Mask Mode is a setting that determines how the inpaint feature treats the selected area of an image. The speaker chooses between 'Inpaint Masked' and 'Inpaint Not Masked' to control whether the entire image or just the selected area is modified during the generation process.

πŸ’‘Fill Option

The Fill Option is a tool used to replace a selected area of an image with a solid color or the average color of the surrounding pixels. The speaker uses this feature to remove elements from an image by filling the selected area with a color that matches the background.

πŸ’‘Latent Noise

Latent Noise is a setting that introduces random variations into the image generation process, creating a more diverse set of outputs. The speaker uses this option to add elements to an image when the desired subject is not clearly defined or when working with abstract concepts.

πŸ’‘CFG Scale

CFG Scale stands for Control Flow Guide Scale and is a parameter that influences the level of detail and coherence in the generated image. The speaker mentions using a CFG scale of seven to control the balance between creativity and adherence to the input prompt.


A Prompt is a textual description that guides the image generation process by providing the model with specific details about the desired output. The speaker emphasizes the importance of crafting clear and detailed prompts to achieve the desired results in the generated images.


The video discusses how to use Stable Diffusion for image inpainting to fix mistakes and enhance images.

The presenter uses the Stable Diffusion Forge interface with the Juggernaut XL Version 9 model.

The sampling method used is DPM++ 2M Karras 30 sampling steps.

A size of 1024 pixels and a CFG scale of seven are recommended settings.

The process starts with a cinematic photo and involves generating until a satisfactory result with fewer mistakes is achieved.

The 'denoise strength' is adjusted to around 0.6 or 0.65 for image refinement.

Custom seeds can be used to direct the generation process towards desired outcomes.

The 'inpaint' option allows for targeted changes to specific parts of an image.

The presenter demonstrates changing a hand in an image to appear more natural.

The 'mask blur' setting determines the blurriness of the selection's edge.

Different mask modes are available for inpainting, with 'inpaint mask' being the most commonly used.

The 'fill' option is used to remove elements from an image by filling the area with the image's color.

The 'latent noise' option can be used to add abstract elements to an image.

The importance of expanding the selection to include context for better image generation is emphasized.

The video shows how to modify subjects within an image, such as changing a bunny's head to a robotic one.

Removing objects from an image is possible by using the 'fill' option to replace it with a similar color or pattern.

Adding new elements to an image requires careful selection and use of the 'latent noise' for better blending.

The presenter advises on how to achieve better results with hands in images by keeping them out of the frame or in pockets.

Changing colors within an image can be done using the 'fill' option with careful adjustments to the 'denoise strength'.

The video concludes with a reminder to experiment with different settings and options for the best results.