Blue Diffusion is a small diffusion model trained on 183 photographs of blue objects from my flat in Copenhagen. The images were taken in March 2026 with the phone I already had. The dataset was left uncleaned; the camera grain and the yellow cast of the walls remain.
Training ran for approximately three hours on a single graphics card in my studio, powered at the time largely by wind. With such a limited dataset, the model follows the room as closely as the objects.
The lighting and some of the pixel texture of the original photographs survive; very little in the way of objects does. The model is not intelligent by any useful measure; it is a function that turns noise into pixels, runnable in any browser.
Blue Diffusion, Kristoffer Ørum, 2026 The Blue Light is a Promise (group exhibition) Curated by Meghan Thréinfhir @meghanthreinfhir @m.rosetta.hunter.gallery M. Rosetta Hunter Gallery, Seattle Central College
Opens 28 September 2026 Capitol Hill Art Walk: 8 October 2026
Run the model: oerum.org/BlueDiffu…
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