Stable Diffusion Prompt High Resolution

Stable Diffusion is an AI system that generates images from text descriptions, known as “prompts”. Writing an effective prompt is key to producing high-quality AI art with Stable Diffusion. This article will provide guidance on crafting prompts specifically for Stable Diffusion.

What is a Stable Diffusion Prompt?

A Stable Diffusion prompt is a text description that guides the AI to generate a desired image. It specifies details about the subject, style, composition, and other qualities of the target image. Good prompts tend to be:

  • Detailed and specific: Provide concrete descriptors like colors, textures, objects, etc.
  • Clear and unambiguous: Use precise language that conveys your intent.
  • Focused: Concentrate on the most important elements rather than listing many loosely related details.

Prompt Structure

Effective Stable Diffusion prompts generally follow this basic structure:

  • Subject: The main focus of the image. For example, “a portrait of a woman”.
  • Modifiers: Descriptors that provide more detail about the subject. “A portrait of a woman with red hair and green eyes“.
  • Style/Medium: The artistic style or medium. “A portrait of a woman with red hair and green eyes, in oil paints“.
  • Composition: How elements are arranged in the frame. “A portrait of a woman with red hair and green eyes, in oil paints, in a 3/4 profile view“.
  • Background: Contextual elements around the subject. “A portrait of a woman with red hair and green eyes, in oil paints, in a 3/4 profile view, against a blue background“.

Additional elements like lighting, mood, etc. can also be specified. We’ll explore examples of full prompts later on.

Key Prompt Engineering Techniques

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Here are some key techniques for engineering effective Stable Diffusion prompts:

Specify Desired Attributes

Clearly state the attributes you want the image to have:

An astronaut floating in space, wearing a white space suit and gold helmet 

Use Adjectives and Descriptors

Include adjectives and descriptors to add detail:

A tall, muscular astronaut floating in space, wearing a crisp white space suit and shiny gold helmet

Set a Clear Context

Provide environmental and contextual details:

A tall, muscular astronaut floating above Earth, with the planet's landmasses clearly visible behind him

Define Styles and Mediums

Specify artistic styles and mediums:

A photorealistic oil painting of a tall, muscular astronaut floating above Earth 

Give Composition Instructions

Guide the framing and composition:

A photorealistic oil painting of a tall, muscular astronaut floating above Earth, centered in the frame with the planet positioned below him

Use Comparisons

Compare attributes to well-known examples:

A photorealistic oil painting of a tall, muscular astronaut floating above Earth, his build similar to a competitive bodybuilder

Specify Lighting

Describe lighting, shadows, etc.:

A photorealistic oil painting of a tall, muscular astronaut floating above Earth, softly lit by sunlight from the left

Crafting Detailed Prompts

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Putting together the techniques above, here is an example of a more detailed prompt:

A tall, clean-shaven male astronaut floating weightlessly high above Earth, wearing a bright white NASA space suit and reflective gold helmet, his muscular build similar to a competitive bodybuilder, arms outstretched, with the blue and green planet positioned below him to the right, softly lit from the upper left by warm sunlight creating soft shadows to the lower right, rendered as a photorealistic oil painting with visible brush strokes

This prompt guides the AI by setting a clear subject (astronaut), providing descriptive modifiers, establishing context (floating above Earth), specifying style (photorealistic oil painting), instructing on composition, dictating lighting/shadows, and comparing the subject’s physique to a bodybuilder as an example.

Useful Prompt Writing Tips

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Here are some additional useful tips for writing Stable Diffusion prompts:

  • Focus prompts on 1-2 main subjects rather than many loosely related elements
  • Avoid prompts longer than 300-500 characters
  • Use simple, clear language over complex vocabulary
  • Specify a consistent light source when describing lighting
  • Name a specific style or artist for clearer results
  • Use comparisons to clarify your intent to the AI
  • Iterate on prompts using different phrasing for better results

Prompt Websites

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Here are some useful websites for exploring and generating Stable Diffusion prompts:

With an understanding of key techniques and by iterating on prompts, you can produce high-quality AI art with Stable Diffusion.

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