手の修正の救世主！Hand Refinerの使い方(Stable diffusion)

AI is in wonderland
6 Jan 202416:12

TLDRIn this video, Alice introduces the Hand Refiner, a tool designed to correct malformed hands in AI-generated images using Stable Diffusion. She explains that the Hand Refiner utilizes depth maps to automatically fix hand-related issues, making the retouching process more efficient and less reliant on manual work. Alice demonstrates the step-by-step process of using the Hand Refiner, from generating an initial image to applying inpaint for detailed hand corrections. She emphasizes the importance of using the correct model, SD15InPaintDepthHand, and placing the image in the appropriate folder within the Stable Diffusion Web UI directory. Alice also shares tips on avoiding common errors, such as file name length issues on Windows, and suggests optimal image sizes for best results. The video concludes with a recommendation to use the Hand Refiner with Stable Diffusion Web UI or Comfy UI for improved image generation quality.

Takeaways

  • 🎨 Introduce a hand refiner tool, ControlNet, that addresses common issues with hand depiction in AI-generated images.
  • 👐 The tool utilizes a depth map to automatically correct and refine the hands in the images, reducing the need for manual retouching.
  • 🖼️ The method is similar to previous tools like depthmaplibraryandposer, but with the added benefit of automatic depth map generation.
  • 📸 The tutorial demonstrates how to upscale images and use Dream Shaper ver.8 for initial image generation.
  • 🚫 Avoid using hires.fix for hand refinement to prevent potential issues with the final image quality.
  • 🔄 Use img2img for faster and more beautiful image generation, especially for hand refinement.
  • 🖌️ InPaint is used to manually refine areas of the image, but it's important to send the unscaled image for best results.
  • 🔄 Ensure the ControlNet is updated to the latest version, specifically mentioning an update as of January 5, 2024.
  • 🔗 Download the required SD15InPaintDEPTHHand model and place it in the correct folder for the hand refiner to work.
  • 📊 The hand refiner performs best with images centered around the size of 512x512 before upscaling.
  • 🌐 The tool is recommended for use with Stable Diffusion Web UI or Comfy UI for the best results.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is the introduction and usage of Hand Refiner, a tool designed to correct and improve the depiction of hands in images using Stable Diffusion.

  • What problem does the Hand Refiner address?

    -The Hand Refiner addresses the common issue of unrealistic or incorrect hand depictions in images, such as missing fingers or unclean hands, which can detract from the overall quality of the image.

  • How does the Hand Refiner function?

    -The Hand Refiner functions by using a control net that automatically creates a depth map of the hand, which is then used to correct and refine the hand's appearance in the image.

  • What are the advantages of using Hand Refiner over traditional methods?

    -The advantages of using Hand Refiner include the reduction of manual work, the ability to generate images without having to repeatedly create new ones, and the lowering of hurdles in retouching hands in images.

  • What are the recommended settings for using Hand Refiner?

    -The recommended settings include using Dream Shaper ver.8 for checkpoint, a step count of 30, a cfg scale of 7, and a model named SD15DEPTH for the depth hand refiner.

  • How can one ensure the best results when using Hand Refiner?

    -To ensure the best results, it is advised to send the image before upscaling, use a size of about 512 x 512 or 512 x 768, and to use the InPaint function for further refinement of the hand area.

  • What is the recommended workflow for using Hand Refiner?

    -The recommended workflow involves generating a single image without upscaling, using the img2img function for faster and more beautiful image generation, and then applying InPaint to the hands for further refinement.

  • What are the potential issues that may arise when using Hand Refiner?

    -Potential issues include the possibility of the file name or extension being too long, which can cause errors in downloading the necessary models, and the fact that the Hand Refiner may not perform as well with anime-style images as it does with realistic ones.

  • How can one resolve the issue of long file names in the Hand Refiner model?

    -To resolve this issue, it is suggested to place the StableDiffusionWeBUI folder as shallowly as possible in the file system, for example, by placing it directly under the C drive.

  • What is the conclusion or recommendation from the presenter regarding the use of Hand Refiner?

    -The presenter highly recommends the use of Hand Refiner, especially with Stable Diffusion Web UI or Comfy UI, as it is an easy-to-use tool that can effectively correct and enhance hand depictions in images.

Outlines

00:00

🖌️ Introduction to the Hand Refiner Tool

Alice from Eyes in Wonderland introduces a new hand refiner tool designed to correct issues with hand depictions in images. She discusses the common problem of unrealistic hands in images, such as missing fingers or unclean hands, and how her previous methods relied on luck and manual retouching. The new Control Net hand refiner automatically creates depth maps, improving upon the outdated depthmaplibraryandposer. The tool uses a combination of multiple hand seismic intensity maps, and while it's not perfect, it significantly lowers the barriers to retouching hands. Alice emphasizes the effectiveness of the Control Net in generating hands without extensive manual work or repeated image generation.

05:01

📸 Basic Usage and Model Download

Alice explains the basic usage of the hand refiner, starting with generating a single image without upscaling. She shares her settings for Dream Shaper ver.8 and how to process the image using image-to-image. The importance of sending the unscaled image to img2img for better results is highlighted. She also discusses the potential issues with large upscaled images and the necessity of using hires.fix judiciously. Alice provides detailed instructions on downloading and installing the SD15InPaintDEPTHHand model, including the specific folder locations for installation. She concludes with a demonstration of the hand refiner's output, noting the successful generation of a beautiful hand with five fingers.

10:03

🎨 Advanced Techniques and Troubleshooting

Alice delves into advanced techniques for using the hand refiner, including the optimal image size and the importance of fixing the hand before upscaling. She shares her experiences with the tool, noting that larger images may result in hand shape distortion. The benefits of Comfy UI, such as fast image generation and automatic hand mask creation, are discussed. Alice also touches on the challenges of upscaling, including slight image changes and pattern alterations. She experiments with anime images and suggests that upscaling before hand refinement might yield better results for anime-style images. Alice encourages viewers to explore various hand modifications using the tool.

15:05

🌟 Conclusion and Recommendations

Alice concludes the video by comparing the new hand refiner tool to previous ones, highlighting its ease of use and effectiveness in creating realistic hands. She recommends the Control Net preprocessor and model for users looking to improve their image retouching workflow. Alice invites viewers to subscribe to her channel and like the video, thanking them for watching and expressing her hope to see them in the next video.

Mindmap

Keywords

💡Hand Refiner

手の修正をするためのツールで、美女の画像でよく手が不自然に見られる問題を解決するために使用されます。このツールは、欠けた指や汚れた手を自動的に修正する機能を持っています。ビデオスクリプトでは、手の修正方法の紹介や効果的な使用法について説明されています。

💡Stable Diffusion

Stable Diffusionは、画像生成や修正に使用される深層学習の技術です。この技術を使うことで、画像をより自然な見た目にすることができ、手の修正にも活用されています。

💡Depth Map

Depth Mapとは、画像の奥行き情報を表すデータです。手の修正においては、Depth Mapを利用して手の形状を正確に再現することができます。

💡ControlNet

ControlNetは、Stable Diffusionで使用される技術の一つで、画像の特定の部分をより正確に制御するための機能を提供します。手の修正においては、ControlNetを用いて手の形状を自然に見せることが可能です。

💡Image-to-Image

Image-to-Imageは、画像を生成する際に使用される技術で、既存の画像をもとに新しい画像を生成することができます。手の修正では、Image-to-Imageを用いて手の部分だけを修正することが可能です。

💡InPaint

InPaintは、画像の特定の部分を修正するためのツールです。手の修正では、InPaintを用いて手の部分を自然な見た目にすることができます。

💡Hires.fix

Hires.fixは、画像の解像度を上げるための技術です。手の修正では、Hires.fixを用いて画像の品質を向上させることができますが、手の修正が正しく行われない場合もあります。

💡SD15DEPTH

SD15DEPTHは、手の深度マップを生成するためのモデルです。このモデルを使用することで、手の修正がより自然に見た目になることができます。

💡Upscaling

Upscalingは、画像の解像度を上げることでより高清な画像を作ることを指します。手の修正においては、Upscalingを用いて手の部分をより正確に見ることができますが、一部の問題が発生することもあります。

💡Anime

Animeは、日本のアニメーションの略称で、ビデオスクリプトでは、手の修正技術がアニメ絵にも適用されるかどうかが試みられています。

💡Comfy UI

Comfy UIは、Stable Diffusionを使用するためのユーザーインターフェースの一つで、画像生成がスムーズに行えるように設計されています。手の修正においては、Comfy UIを用いて手の部分を簡単に修正することができます。

Highlights

Alice from Eyes in Wonderland introduces a hand refiner that corrects hands.

The hand refiner addresses common issues with hand depiction in art, such as missing fingers or unclean hands.

Traditional methods for fixing hands involved in-painting or creating new hands with varying success.

The Control Net's function automatically fixes hand issues to some extent, similar to depthmaplibraryandposer.

The ControlNet hand refiner creates depth maps automatically by referring to the original image.

The method significantly lowers the hurdles for retouching hands in images.

Images should be generated without upscaling first, ideally at a size of 512 x 512 or 512 x 768.

Using img2img's inpaint feature generates images faster and more beautifully.

Before upscaling, ensure the image is sent to img2img for proper hand refinement.

Control Net must be updated as of January 5, 2024, to use the depth hand refiner.

The SD15InPaintDEPTHHand model is used for hand refinement and should be downloaded and placed in the correct folder.

The hand refiner can be used in conjunction with InPaint for further improvements.

The hand refiner is particularly effective for realistic images and may have limitations with anime styles.

The hand refiner can correct hand issues, but there may be occasional artifacts like rings on the wrist.

For best results, fix the hand at a smaller size before upscaling to maintain accuracy.

The method is recommended for its ease of use and effectiveness in creating natural-looking hands.

The video provides a comprehensive guide on using the hand refiner with Stable Diffusion Web UI or Comfy UI.