NovelAI Diffusion Tutorial: Mastering AI Image Generation

Once you've logged in and subscribed to NovelAI, the journey begins on the main dashboard. To access the image creation tools, simply click on the banner for the Image Generator. This action will transport you to your creative studio – the heart of your AI art endeavors. Here, you'll find the primary interface where your prompts will be transformed into visual masterpieces. Familiarize yourself with the layout; it's designed to be intuitive, guiding you through the process of turning text into art.

Let's start with a simple idea to generate a basic background image. In the prompt field, enter 'no humans, flower field, sunset'. The 'no humans' tag is crucial here, ensuring that your image focuses solely on the landscape without any people. After inputting your prompt, simply press the generate button. The AI will then begin its process, and voilà! You'll have a beautiful, serene image. This is your first masterpiece, created with a few well-chosen tags.

To fine-tune the AI's focus, you can use tag emphasis and suppression. To emphasize a tag, enclose it in curly braces { }. The more sets of braces you use, the stronger the emphasis, but be cautious as excessive emphasis can lead to undesirable effects. Ensure that the number of opening and closing braces is equal unless it's at the very end of the prompt. Conversely, to suppress a tag, use square brackets [ ]. This is useful for correcting elements that might be overdone, such as makeup. For instance, comparing '[[[[[messy hair]]]]]', 'messy hair', and '{{{{{messy hair}}}}' clearly demonstrates how suppression reduces the 'messiness' of the hair, while emphasis increases it.

The image settings panel allows for further customization. You can change the aspect ratio of your image, selecting the most suitable orientation for your desired creation. The number of images generated at once can also be specified here. Be aware that generating more images consumes more Anlas, NovelAI's in-app currency. However, users on the Opus tier can generate an unlimited number of standard-sized images without consuming Anlas, provided they generate them one at a time. All your generated images are displayed in the history on the right, offering a way to manage your creations, even the ones you might prefer to forget!

As you become more comfortable with the image generation process, delve into the advanced settings such as Steps, Prompt Guidance, Sampler, and Prompt Guidance Resets. While the defaults are optimized for common use, experimenting with these settings can lead to truly remarkable results. Don't worry if you accidentally alter settings; the reset button will always bring you back to the default values. For a deeper understanding of these advanced features and more, we highly recommend consulting NovelAI's official image generation documentation and detailed tutorials. Happy creating!