【IP-Adaptorよりすごい!】FooocusでSDXLのイメージプロンプトを使う方法

AI is in wonderland
31 Oct 202319:30

TLDRIn this video, Alice and Yuki explore the latest updates of Fooocus, focusing on the Image Prompt feature and comparing it with Control Net's Canny and Depth. They discuss the evolution of Fooocus and its differences from stable diffusion's IP-Adaptor, noting that Fooocus maintains image quality and diversity. Through various demonstrations, they show how to use Image Prompt to blend images and adjust their influence with control weights and the Stop At feature. They also experiment with combining text prompts and Image Prompt for more nuanced results. Additionally, they touch on other Image Prompt modes like Pyramid Canny and CPDS, and compare the language understanding capabilities of different models, highlighting Fooocus's strengths. The video concludes with a call to action for viewers to subscribe and engage with the content.

Takeaways

  • 🔧 Fooocus is a constantly evolving tool with updates that improve its features, such as the Image Prompt and Control Net's Canny and Depth.
  • 📷 IP-Adaptor in stable diffusion webui control net tends to ignore text prompts and can lead to a decrease in image quality, whereas Fooocus's Image Prompt maintains image quality.
  • 🎭 Fooocus allows for the creation of images with a strong influence from the image prompt, even when the control weight is set to 0.5.
  • 👻 Using Fooocus's Image Prompt, it's possible to generate images with a mix of elements from different prompts, like a girl in a Halloween costume.
  • 🧙 Adjusting the 'Weight' parameter in Fooocus's Image Prompt can help control the influence of the image on the final output.
  • 🤖 The 'Stop At' parameter in Image Prompt determines at what point in the image generation step the effect should be stopped, but its impact is subtle and mainly the 'Weight' should be adjusted.
  • 🎨 Combining a single image with a text prompt in Fooocus can result in a heavily influenced final image, showcasing the power of text prompts.
  • 🧑‍🎤 An attempt to replicate LoRA-like instant character generation with four images in Fooocus did not fully succeed, indicating the complexity of character-specific prompts.
  • 📚 The use of LoRA in combination with Image Prompt can enhance the reproducibility of specific characters, such as Freelen, in generated images.
  • 🎭 Fooocus offers different Image Prompt modes like Pyramid Canny and CPDS, which can capture outlines and maintain contrast while generating images.
  • 📱 The Fooocus webui has an anime version and a live-action version, each catering to different styles of image generation.
  • 📈 SDXL models, including Fooocus, demonstrate better language understanding in prompts compared to SD1.5, making them more effective for complex image generation tasks.

Q & A

  • What is the main topic of discussion in the video?

    -The main topic of discussion in the video is the Fooocus update, specifically the introduction of Image prompt and a feature similar to Control Net's Canny and Depth.

  • How does Fooocus's Image prompt differ from the IP-Adaptor in stable diffusion webui?

    -Fooocus's Image prompt is characterized by not reducing the quality of the image, whereas the IP-Adaptor in stable diffusion webui tends to ignore text prompts and the image quality deteriorates when many images are used.

  • What is the purpose of the 'Weight' setting in the Image Prompt feature?

    -The 'Weight' setting in the Image Prompt feature is used to adjust the influence of the image prompt on the generated image, similar to the control weight in a control net.

  • What is the 'Stop At' setting in the Image Prompt feature, and how does it affect the generated image?

    -The 'Stop At' setting determines at what point in the image generation step the effect of the image prompt should be stopped. It is similar to ending control step in a control net.

  • How does the 'Pyramid Canny' mode in Image Prompt work?

    -The 'Pyramid Canny' mode captures the contours well by performing Canny at multiple resolutions and blending the elements softly, which is useful for high-resolution images where a normal Canny might not capture the outline sufficiently.

  • What is the 'CPDS' mode in Image Prompt, and what does it achieve?

    -CPDS stands for contrast, preserving decolorization structure. It removes color to make the image black and white while maintaining the contrast and the sense of perspective perceived by human vision.

  • Why does the video mention the difference between Fooocus and stable diffusion webui in terms of language understanding?

    -The video mentions this difference because Fooocus seems to have better language understanding and prompt interpretation compared to stable diffusion webui, as demonstrated by the comparison of generated images from different AI models.

  • What is LoRA, and how is it used in the video?

    -LoRA is a method used to create a character-specific AI model that can generate images with certain desired characteristics. In the video, it is used to create a 'Freelen' character and to enhance the influence of the Image Prompt.

  • How does the video demonstrate the combination of multiple Image Prompt modes?

    -The video demonstrates the combination of multiple Image Prompt modes by placing the same image in three different places in the image storage, selecting a different mode for each, and generating an image. This results in an image with a composition that closely resembles the original image.

  • What is the significance of the 'History Log' feature in Fooocus?

    -The 'History Log' feature in Fooocus allows users to review the prompts that were automatically added by the system, as well as the seed value used for a particular generation. This can be useful for understanding the AI's decision-making process and for replicating results.

  • Why does the video suggest that attention should be turned to SDXL?

    -The video suggests turning attention to SDXL because it offers higher resolution and better language understanding compared to SD1.5. Despite the challenges of VRAM memory consumption, the video argues that the benefits of SDXL make it a worthwhile focus.

Outlines

00:00

🎨 Fooocus Update: Image Prompt and Control Net Features

Alice from AI's Wonderland, along with Yuki, discusses the latest Fooocus update, focusing on the Image prompt feature and comparing it with Control Net's Canny and Depth. They explore how Fooocus maintains image quality unlike the stable diffusion's IP-Adapter, which can sometimes ignore text prompts and degrade image quality. The video demonstrates the process of using Image Prompt with various settings, such as control weight and the influence of text prompts, to generate images with different levels of image and text prompt integration. The segment also touches on the advanced options available in Fooocus for fine-tuning the image generation process.

05:01

🔄 Adjusting Image Fusion and Stop At Impact

The video continues with an in-depth look at how to fuse elements of two images using Fooocus's Image Prompt by adjusting the intensity with the Weight setting. It also examines the impact of the Stop At setting on the image generation process and its effect when combined with text prompts. The segment showcases the successful combination of a single image with a text prompt to generate a Halloween-themed image, and further experiments with adjusting the Weight to achieve the desired output. The video also attempts to replicate LoRA effects using four images with varied success, highlighting the limitations and potential of the approach.

10:06

📈 Exploring Fooocus's Image Prompt Modes

The presentation delves into different modes of Fooocus's Image Prompt, such as Pyramid Canny and CPDS (contrast, preserving decolorization structure), which are designed to capture outlines and maintain contrast in images, respectively. The video demonstrates the application of these modes using high-quality images and discusses their effects on the final output. It also mentions the ability to combine all three Image Prompt modes for a composition that closely resembles the original image. Additional features of Fooocus, including the Refiner switch timing adjustment and the automatic prompt enhancements of FooocusV2, are briefly introduced.

15:07

🤖 Comparing AI Models: SD1.5, SDXL, Fooocus, and DALL-E3

Alice reflects on the choice of using SDXL over SD1.5, especially in light of DALL-E3's capabilities. A comparison is made between the different AI models based on their understanding and rendering of a prompt describing a scene with two girls and one boy. The results highlight the varying levels of comprehension and output quality among the models, with Fooocus and DALL-E3 outperforming SD1.5 and SDXL in terms of accuracy and detail. The video concludes with a recommendation to focus on SDXL due to its higher resolution and finer pixel detail, encouraging viewers to subscribe and like the video for more informative content.

Mindmap

Keywords

Fooocus

Fooocus is an AI image generation tool that is constantly evolving and improving. It is mentioned in the video as being superior to other versions of similar tools, such as stable diffusion webui, in terms of its ability to understand and generate images from text prompts. The video discusses its various features, including Image Prompt and advanced settings like Pyramid Canny and CPDS.

Image Prompt

Image Prompt is a feature within Fooocus that allows users to input images to influence the generation of a new image. It is highlighted for not reducing the quality of the generated image, unlike some other tools. The video demonstrates how to use Image Prompt by combining images and adjusting their influence on the final output.

IP-Adaptor

IP-Adaptor is a component within the stable diffusion webui control net that is used to incorporate images into the image generation process. However, it is noted that the IP-Adaptor tends to ignore text prompts and can result in a loss of image quality when many images are used, which is a point of comparison to Fooocus's Image Prompt.

Control Net

Control Net is a feature that allows for the manipulation of specific aspects of an image, such as positioning a character or object. The video discusses how Fooocus's implementation of Control Net compares to other versions, noting that Fooocus provides a stronger influence from the control unit images on the generated image.

LoRA

LoRA (Low-Rank Adaptation) is a technique used in AI image generation to adapt the model to a specific style or characteristic. The video creator has made their own LoRA and uses it in Fooocus to generate images with specific traits, such as a Halloween costume or Freelen's characteristics.

Pyramid Canny

Pyramid Canny is an Image Prompt mode in Fooocus that captures the outlines of an image at multiple resolutions and blends them softly. It is used to enhance the contour detection in high-resolution images, which is particularly useful for detailed and complex compositions.

CPDS

CPDS stands for Contrast Preserving Decolorization Structure. It is another Image Prompt mode in Fooocus that removes color from an image while maintaining its contrast and perspective. This mode is used to generate images that retain the general outline and context of the original image.

Refiner

The Refiner is a feature in Fooocus that can be adjusted to control when in the image generation process the refinement step occurs. The video mentions an update to Fooocus that allows users to adjust the Refiner switch timing, which can affect the quality and detail of the generated images.

DALL-E3

DALL-E3 is a high-quality image generation AI mentioned in the video as a point of comparison to Fooocus and other stable diffusion models. It is noted for its superior understanding of language prompts and its ability to generate images that closely match the description provided.

SDXL

SDXL refers to a version of the stable diffusion model that operates at a higher resolution (1024x1024) compared to SD1.5. The video discusses the differences in performance and image quality between SDXL and other models, highlighting the advantages of using SDXL in Fooocus.

VRAM

VRAM (Video RAM) is the memory used by graphics processing units (GPUs) to store image data for manipulation. The video briefly touches on the issue of VRAM memory consumption when using high-resolution models like SDXL, indicating that it is a significant consideration for users working with these tools.

Highlights

Alice from AI’s, in Wonderland discusses the Fooocus update and introduces Image prompt and a feature similar to Control Net's Canny and Depth.

Fooocus is constantly evolving, with updates even while creating videos.

Stable diffusion's IP-Adapter tends to ignore text prompts and deteriorate image quality with many images used.

Fooocus's Image prompt is characterized by not reducing the quality of the image.

Using IP-Adaptor with stable diffusion webui, it's difficult to mix two images using a multi-control net.

Fooocus webui allows easy image prompt insertion with just a few clicks.

Image Prompt influence can be adjusted by using the Weight and Stop At settings.

Combining a single image and a text prompt in Fooocus can heavily influence the generated image.

Four images can be used in an attempt similar to instant LoRA using IP-Adapter.

Describing specific character traits in the text prompt can help generate more accurate images.

LoRA alone can reproduce characters effectively, but combining with Image Prompt can enhance results.

Pyramid Canny mode in Fooocus captures outlines well at multiple resolutions.

CPDS mode maintains the contrast and perspective of the image while removing color.

All three Image Prompt modes can be used together for a composition faithful to the original image.

Fooocus has an Advanced tab for adjusting the Refiner switch timing.

SDXL has better language understanding of prompts compared to SD1.5.

FooocusV2 automatically adds prompts regarding image quality and composition.

Higher resolution images from SDXL and DALL-E3 have finer pixel detail compared to SD1.5.

The video concludes with a call to subscribe to the channel and like the video.