InvokeAI 3.4 Release - LCM LoRAs, Multi-Image IP Adapter, SD1.5 High Res, and more
TLDRThe video discusses the release of version 3.4, highlighting new features such as the LCM scheduler for image generation, high-resolution fix, control net and T-to-I adapter compatibility, and multi-image IP adapters. It also mentions community contributions, language translations, and future updates, emphasizing the efficiency and versatility of the new tools for creators.
Takeaways
- ๐ Introduction of LCM (Latent Consistency Model) for optimizing diffusion process with a new scheduler, reducing steps needed to generate images.
- ๐ท Quality trade-off with LCM: While LCM makes generation more efficient, it may result in some loss of detail in the final images.
- ๐ Showcase of model quality before and after using LCM, highlighting the differences in image details and adherence to the prompt.
- ๐ง Adjusting CFG scale affects the balance between efficiency and adherence to the prompt, with higher values increasing saturation and quality adjustments.
- ๐ Recommendations for using LCM with lower CFG scale values to maintain image quality while benefiting from the speed improvements.
- ๐ Return of high-resolution fix feature in 3.4, allowing for larger images without repeating patterns, thanks to contributor Paul Curry.
- ๐จ Control net and TOI adapter features are now compatible, enabling simultaneous use for more complex and nuanced image generation.
- ๐ Multi-image IP adapters introduced for advanced users, allowing blending of multiple concepts into a single image through the linear UI.
- ๐ Workflow editor enhancements, including new nodes for more advanced control over image generation and blending of concepts.
- ๐ Community contributions acknowledged, including translations and bug fixes, with a special mention of Dutch, Italian, and Chinese translations nearing completion.
Q & A
What is the main topic of the video?
-The main topic of the video is the release of version 3.4 and its new features, particularly focusing on the LCM (Latent Consistency Model) scheduler and its impact on the image generation process.
What does LCM stand for and what does it do?
-LCM stands for Latent Consistency Model. It is a new technique for optimizing and making the diffusion process more efficient, using a new scheduler called the LCM scheduler. This reduces the number of steps needed to generate an image, allowing for faster generation and enabling the creation of various visual effects.
What is the LCM scheduler and how does it affect image generation?
-The LCM scheduler is a new component of the LCM technique. It helps to reduce the steps required to generate an image, making the process more efficient. However, it may result in a loss of some details compared to the standard generation process.
What is the significance of the LCM Laura and where can it be downloaded?
-The LCM Laura is a resource used in conjunction with the LCM scheduler. It can be downloaded from the Latent Consistency Hugging Face repository. LCM Laura works with both SDXL and SD15 models and helps in achieving better image generation results with the LCM scheduler.
How does the CFG scale affect the image generation process?
-The CFG scale is a parameter that influences the adherence to the prompt in the image generation process. Adjusting the CFG scale can result in changes to the level of detail and the overall style of the generated images. Higher values may lead to more adherence to the prompt but can also cause saturation and quality adjustments.
What is the high-resolution fix feature and how does it work?
-The high-resolution fix is a feature that allows for the generation of larger images from the model's original training size of 512 x 512 to a higher resolution of the user's choice. It generates the core composition at a lower resolution, then upscales it using ESR Gan or a straight resize, and runs a denoising process at the higher resolution.
What changes have been made to the control net feature and the T toi adapter feature in version 3.4?
-In version 3.4, the control net feature and the T toi adapter feature are no longer mutually exclusive. Users can now use both features simultaneously on the same generation, allowing for more flexibility and control over the image generation process.
What is multi-image IP adapter and how is it used in the workflow editor?
-Multi-image IP adapter is a feature that allows users to add multiple IP adapters and pass in multiple images to the same IP adapter within the linear UI. This enables the blending of different concepts together by adjusting the weights, creating a more complex and nuanced final image.
How can the new features in version 3.4 be used to blend concepts?
-The new features in version 3.4, such as the multi-image IP adapter, allow users to blend concepts by passing multiple images of the same concept or different concepts into the same IP adapter. This can result in a blend of the average of those images, creating a new, unique visual representation.
What are some of the smaller updates and improvements included in version 3.4?
-Some of the smaller updates in version 3.4 include the ability to recall VAE metadata for any generations, the addition of RGBA value fields in the Color Picker within the unified canvas, and numerous speed increases for Lauras and other text encoder loading times. Backend updates have also been made to improve efficiency.
How can users stay updated with future releases and improvements?
-Users can stay updated with future releases and improvements by following the Invoke AI app, joining the Discord community, and checking the release notes for detailed information on new features, bug fixes, and translations.
Outlines
๐ Introduction to Release 3.4 and LCM Scheduler
The video begins with an introduction to the release of version 3.4, which is slightly late but brings numerous updates. The first feature discussed is the Latent Consistency Model (LCM), a new technique for optimizing the diffusion process using the LCM scheduler. This reduces the steps needed to generate an image, allowing for efficient generation. However, the presenter notes that while LCM improves efficiency, it may result in some loss of detail. The video then demonstrates the generation of four images using normal settings and compares them with images generated using the LCM scheduler, highlighting the differences in quality and speed. The presenter also explains how to use the LCM Laura model from the hugging face repo, which works with both SDXL and SD15 models, and the importance of adjusting the CFG scale for optimal results.
๐ High-Resolution Fixes and Advanced Features
The presenter moves on to discuss the return of a simple high-resolution fix in version 3.4, which allows for the upscaling of images without losing quality. This feature is available for SD 1.5 models and works by first generating the core composition at a lower resolution and then upscaling it using ESR Gan or a straight resize, followed by a denoising process. The video also covers the new ability to use control net and T toi adapter features simultaneously, and demonstrates how the T toi color adapter can be used to modify the color of an image. The presenter then discusses the use of multi-image IP adapters in the workflow editor, which allows for blending different concepts together to create unique images.
๐จ Advanced Workflow Editor Features and Updates
The video delves into new nodes added to the workflow editor for advanced users, focusing on multi-image IP adapters that enable the blending of multiple images and concepts. The presenter shows how this can lead to the creation of new and sometimes unusual combinations of concepts. The video also touches on smaller features such as the ability to recall vae metadata for any generations, thanks to a contributor, and the addition of RGBA value fields in the color picker. The presenter encourages viewers to check the release notes for a full list of contributors and updates, and highlights the completion of Dutch, Italian, and Chinese translations for the invoke AI app.
๐ง Performance Improvements and Future Updates
The final paragraph discusses various performance improvements in version 3.4, particularly for lauras and other text encoder loading times, as well as backend updates that have made certain functions in the engine more efficient. The presenter teases more updates to come, invites viewers to join the community on Discord, and concludes the video with a call to like, subscribe, and participate in the community discussions.
Mindmap
Keywords
๐กLCM
๐กCFG scale
๐กHigh-resolution fix
๐กControl net
๐กT-to-I adapter
๐กMulti-image IP adapters
๐กInstant lauras
๐กVAE
๐กWorkflow editor
๐กDiscord
Highlights
Introduction of LCM, a new technique for optimizing the diffusion process using the LCM scheduler.
Reduction in the number of steps needed to generate an image with the LCM scheduler, enabling the creation of visually striking images seen recently on the internet.
Comparison of image quality before and after the application of the LCM scheduler, highlighting the trade-off between efficiency and detail.
Demonstration of the generation of four images with a cyborg King theme using normal generation settings.
Explanation of the process to change settings for LCM, including adjusting the CFG scale and incorporating the LCM Laura model.
Discussion on the impact of CFG scale on the adherence to the prompt and the resulting image quality.
Recommendation to use lower ranges of the CFG scale for optimal results.
Return of a simple high-resolution fix in version 3.4, allowing for the creation of larger images from the linear UI.
Integration of the high-resolution fix feature in SD 1.5 models and its process of upscaling images using ESR Gan or a straight resize followed by D noising.
Non-mutual exclusivity of the control net feature and the T toi adapter feature, enabling their simultaneous use in the same generation.
Use of the T toi color adapter to process colors and its effect on the final image generation.
Explanation of the multi-image IP adapters feature, which allows blending of different concepts into a single image.
Demonstration of the workflow editor's new nodes for advanced users, including the ability to pass multiple images to the same IP adapter.
Showcasing the creation of a hybrid image by blending concepts of spiders and a Yeti-like creature using the multi-image IP adapters.
Adjustment of concept weights in the IP adapter to control the prominence of different elements in the generated image.
Introduction of the ability to recall vae metadata for any generations, thanks to contributor Stefan Tobler.
Addition of RGBA value fields in the Color Picker within the unified canvas, a contribution by Rines 404.
Acknowledgement of community contributions to the 3.4 release, including bug fixes, translations, and language enhancements.
Mention of significant speed increases in version 3.4, particularly for lauras and other text encoder loading times.
Tease of more updates coming soon for Invoke, encouraging users to stay tuned and join the community on Discord.