【SD3】超详细使用教程+效果测评 你想看的都在这里

AI小王子
12 Jun 202409:21

TLDR本期视频介绍了最新开源的Stable Diffusion 3模型,它拥有20亿参数,是迄今为止最先进的文本到图像的开放模型。AI小王子详细讲解了如何从Lib Lib AI平台下载SD3模型,并在Comfy UI上进行配置和使用。视频还展示了SD3在图像质量、真实度和细节上的巨大进步,尽管在手部和脚部的处理上还有待改进。此外,还提到了即将发布的拥有80亿参数的SD3 Large模型,令人期待。

Takeaways

  • 😀 Stable Diffusion 3(SD3)是一款开源的文本到图像生成模型,拥有20亿参数,是目前最先进的开放模型之一。
  • 🎉 SD3的开源意味着用户不再需要购买API,可以自由使用这一强大的图像生成技术。
  • 📈 与之前的模型相比,SD3在图像质量、真实度、融合效果以及资源消耗方面都有显著提升。
  • 🔍 官方计划未来发布更大的SD3 Large模型,拥有80亿参数,是当前medium模型的四倍。
  • 💻 目前官方发布的模型仅支持Confi UI使用,YBI用户需要等待适配。
  • 📚 可以通过Lib Lib AI平台下载SD3的官方模型,包括最小的4GB SD3模型和10GB支持FP8精度的模型。
  • 🔗 如果需要使用YBI上的SD3,可以访问Lib Lib AI的在线使用工具,这是目前全球唯一一家支持SD YBI使用SD3的平台。
  • 🛠️ 使用SD3时,需要将下载的模型放置在Comfy UI的根目录下的models/checkpoints目录中。
  • 🔄 对于需要文本编码器辅助的模型,用户需要从Hockey face下载CLIP模型。
  • 🖼️ SD3在文字识别和语义理解方面表现出色,能够生成包含复杂关键词的高质量图像。
  • 👍 尽管SD3在手部和脚部的细节处理上还有提升空间,但其整体的图像质量和视觉冲击力已经非常出色。
  • 🌟 Stability AI的开源免费策略为用户提供了巨大的便利,期待未来模型的进一步发展和完善。

Q & A

  • Stable Diffusion 3是什么?

    -Stable Diffusion 3是一款基于文本到图像的AI模型,它拥有20亿参数,是目前最先进的开放模型之一。

  • Stable Diffusion 3开源意味着什么?

    -开源意味着Stable Diffusion 3的模型可以免费下载和使用,用户不需要再购买API。

  • Stable Diffusion 3有哪些版本?

    -目前Stable Diffusion 3有medium模型,未来还将推出large模型,拥有80亿参数。

  • 在哪里可以下载Stable Diffusion 3的模型?

    -可以在Lib Lib AI平台搜索SD3下载模型,包括4GB的基础模型和10GB支持FP8精度的模型。

  • 如何使用Stable Diffusion 3在YBI上生成图像?

    -目前Lib Lib AI提供了在线使用工具,用户可以在V3模型生图输入关键词生成图像。

  • 下载Stable Diffusion 3模型后如何安装?

    -下载的模型需要放到Comfy UI的根目录下的models/checkpoints目录中。

  • Stable Diffusion 3的基础模型需要文本编码器辅助吗?

    -是的,基础模型大约4GB左右,需要文本编码器辅助。

  • Stable Diffusion 3的图像生成效果如何?

    -根据视频测评,Stable Diffusion 3的图像清晰度、细腻度以及人物神色等效果非常不错。

  • Stable Diffusion 3在处理手部和脚部图像时存在哪些问题?

    -尽管官方对Stable Diffusion 3的手部和脚部做了精细化处理,但视频中提到仍有缺陷,如手部和脚部可能出现角度错误或缺失。

  • Stable Diffusion 3的语义识别能力如何?

    -Stable Diffusion 3能够较好地识别关键词,生成包含多个元素的图像,但手部和脚部的处理还有待加强。

  • Stable Diffusion 3的升级解决了哪些问题?

    -Stable Diffusion 3的升级解决了之前版本在生成带有文字的图片时的问题,提高了画质和色彩细腻程度。

Outlines

00:00

🚀 Introduction to Stable Diffusion 3 (SD3)

The script introduces the latest open-source AI model, Stable Diffusion 3 (SD3), which is a significant upgrade over the previous model, SDXL. The narrator, AI Prince, provides an overview of the model's capabilities and announces the release of the medium-sized model with 2 billion parameters. The video promises to showcase SD3's unique features and usage tips. The narrator also mentions an upcoming large model with 8 billion parameters, which is four times the size of the medium model. The script discusses the availability of the model on the Lib Lib AI platform and provides instructions on how to download and install the model for use with Comfy UI, including the need for a text encoder for smaller models. The video also touches on the limitations of the current official release, which only supports Comfy UI and not YBI, and provides a link to a website for downloading necessary components.

05:01

🎨 Evaluating SD3's Image Generation Capabilities

This paragraph delves into the practical testing of SD3's image generation capabilities. The narrator demonstrates the use of the basic model and the larger models, noting the memory usage and the quality of the generated images. The script highlights the model's text recognition and semantic understanding abilities by providing examples of generated images based on specific keywords and descriptions. It compares SD3's performance with the previous model, SDXL, and points out areas of improvement, particularly in the depiction of hands and feet. The narrator also discusses the potential of the upcoming 8 billion parameter model and expresses gratitude to Stability AI for making such a high-parameter model available for free. The video concludes with an encouragement for the community to explore and develop more SD3 models and workflows.

Mindmap

Keywords

💡Stable Diffusion 3 (SD3)

Stable Diffusion 3, often abbreviated as SD3, is a state-of-the-art AI model for text-to-image generation. It is considered superior to its predecessors due to its advanced capabilities and open-source nature, which allows users to utilize it without purchasing an API. In the video script, SD3 is highlighted for its impressive performance and detailed effects, showcasing its ability to generate high-quality images from textual descriptions.

💡Medium Model

The term 'Medium Model' in the context of SD3 refers to a version of the AI model that has 2 billion parameters. It represents a significant step forward in the development of AI models for image generation, offering improved image quality and realism compared to previous models. The script mentions the Medium Model as one of the versions available for download and use with SD3.

💡Open Source

Open source indicates that the software's source code is available to the public, allowing anyone to view, use, modify, and distribute the software freely. In the script, the open-sourcing of SD3 is emphasized as a major benefit, enabling a wider community to access and contribute to the model's development and use.

💡Comfy UI

Comfy UI is a user interface for certain AI models, including SD3, which allows users to interact with and utilize the models more easily. The script mentions Comfy UI as the platform where users can download and apply the SD3 models, as well as manage different versions and workflows.

💡YBI

YBI, or Yet Another AI, is another platform for AI models. The script notes that YBI support for SD3 is not yet available but is expected in the future. It implies that once YBI is compatible with SD3, users will have another option for generating images using the SD3 models.

💡Lib Lib AI

Lib Lib AI is a platform mentioned in the script where the SD3 models are published and made available for download. It is highlighted as a source for the base models of SD3, with different versions catering to various needs and system capabilities.

💡Text Encoder

A text encoder in the context of AI models like SD3 is a component that helps interpret and encode textual descriptions into a format that the model can understand and use to generate images. The script discusses the necessity of a text encoder for certain versions of the SD3 model, particularly when using the smaller 4GB model.

💡Workflow

In the script, a workflow refers to a series of steps or processes used to generate images with SD3. Different workflows are mentioned, such as the basic workflow, multi-prompt workflow, and upscaling workflow, each designed for specific types of image generation tasks.

💡Sampling

Sampling in the context of AI image generation refers to the method by which the model selects data points to create the final image. The script recommends a specific sampling method, DPM++ 2MSCM uniform, which is said to produce clearer images compared to other methods.

💡Semantic Recognition

Semantic recognition is the model's ability to understand and interpret the meaning of words and phrases in a given context. The script tests SD3's semantic recognition by providing complex descriptions and observing how accurately the model incorporates all elements into the generated image.

💡Imagination and Visual Impact

Imagination and visual impact relate to the model's capacity to create images that are not only technically accurate but also aesthetically pleasing and engaging. The script praises SD3 for its enhanced imaginative capabilities and visual impact, noting improvements in image vividness and the dynamic representation of subjects.

Highlights

Stable Diffusion 3(SD3)模型完全开源,无需购买API。

SD3是迄今为止最先进的文本到图像开放模型,拥有20亿参数。

SD3与XL模型相比,在图像质量、真实度、融合效果和资源消耗上有显著进步。

未来将发布SD3 Large模型,拥有80亿参数,是Medium模型的4倍。

官方发布的底膜目前只支持Confi UI使用,YBI适配还需等待。

Lib Lib AI平台发布了SD3的底膜,提供了不同大小的模型下载。

下载SD3模型后,需放置在Comfy UI的根目录下的models/checkpoints目录。

使用小模型时需CLIP文本编码器辅助,可在Hockey face下载。

SD3基础工作流、多重提示词工作流和放大工作流可供不同需求使用。

SD3模型在人物神色、清晰度和细腻度方面表现出色。

SD3在显存使用上表现良好,最大模型使用不到16GB。

SD3在文字识别能力上表现出色,能够准确生成带有文字的图像。

SD3在语义识别上能够准确识别并呈现多个元素的组合。

尽管SD3在手部和脚部处理上还有改进空间,但整体效果有所提升。

SD3在色彩细腻程度和视觉冲击力上相比以往版本有显著提高。

Stability AI开源免费提供SD3模型,对社区发展有积极影响。

期待未来SD3 Large模型在手部和脚部处理上的进步。

随着SD3底膜发布,预计将有更多适配的模型和工具出现。