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Generative Outpainting

Generative outpainting / image extension. August 31, 2022: DALL·E-Outpainting as a public product milestone

Typeface · Unbounded

DALL·E-Outpainting: documented extension of a Vermeer composition, 2022.
DALL·E-Outpainting: documented extension of a Vermeer composition, 2022.Johannes Vermeer / OpenAI × DALL·E, historical product example.View source ↗

Prompt

Apply Generative Outpainting by extending the canvas modestly on every side, continuing the existing environment beyond its borders. Match perspective lines, material textures, color balance, grain, and lighting seamlessly; avoid mirrored repetitions or new focal subjects. Keep the original subject and composition intact within the expanded canvas.

Identify

A new visual world is growing beyond the original boundaries.

Principle

A model continues motifs1, light and style into additionally released image space.

Example

DALL·E: extended Vermeer composition, 2022.

Try it out

Expand a square into a panorama2; mark the original section.

Background

Outpainting extends an image area beyond its original boundaries. It is closely related to inpainting: a model fills in new areas while existing parts of the image serve as context. The difference lies in the task and the location of the augmented area. OpenAI publicly demonstrated a corresponding DALL·E function on August 31, 2022, including an extension of Vermeer's Girl with a Pearl Earring. This example represents a product milestone, not the invention of every form of automatic image space extension. In the exercise, you will mark the actual original image area. Compare how the story changes when the same character appears once in a confined space and once in a more expansive one.

Distinction

The extension depicts a fictional setting; it does not document what existed outside the original excerpt.

Aftermath

The effect also changes composition and context. Therefore, discerning the boundary between the documented original image and the invented extension is part of conscious reading.

Further examples · 7 images

Stable Diffusion outpainting and inpainting step 4 of 4
02 Stable Diffusion outpainting and inpainting step 4 of 4A vertical composition shows a character and cat in a sci-fi setting. It demonstrates a completed outpainting process where the canvas has been extended to include additional background and foreground elements.Elspea756 · CC BY-SA 4.0 · Wikimedia Commons
AI illustration: A cyberpunk city view is expanded within a software interface
03 AI illustration: A cyberpunk city view is expanded within a software interfaceA cyberpunk city view is expanded within a software interface. The grid shows additional generated tiles that extend the central image's architecture and lighting into a wider canvas.Illustration generated for the Atlas (AI)
AI illustration: A red square marks the original Vermeer portrait
04 AI illustration: A red square marks the original Vermeer portraitA red square marks the original Vermeer portrait. The surrounding kitchen environment is synthetically generated, continuing the light source and period style beyond the initial frame.Illustration generated for the Atlas (AI)
AI illustration: A workspace shows an image being extended through a grid of generation ti
05 AI illustration: A workspace shows an image being extended through a grid of generation tiA workspace shows an image being extended through a grid of generation tiles. It illustrates how outpainting adds new areas piece by piece using the central section as context.Illustration generated for the Atlas (AI)
AI illustration: A glowing frame indicates the original square composition within a wider
06 AI illustration: A glowing frame indicates the original square composition within a wider A glowing frame indicates the original square composition within a wider landscape. This shows the extension of motifs and lighting from the center into new peripheral space.Illustration generated for the Atlas (AI)
AI illustration: The comparison shows a narrow vertical crop alongside a wide landscape
07 AI illustration: The comparison shows a narrow vertical crop alongside a wide landscapeThe comparison shows a narrow vertical crop alongside a wide landscape. The horizontal version expands the scene while maintaining the central character and environment style.Illustration generated for the Atlas (AI)

Question

What distinguishes outpainting from simply enlarging an image?

Show possible answer +

Scaling distributes existing image information across more pixels; outpainting creates additional content outside the existing frame.

Sources