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Losing Lena called for removing tech's default test image to make the field fairer
Losing Lena exposed the gendered origin of a ubiquitous image-processing test image and campaigned for its removal.
Losing Lena campaign
What it had to solve
USC researchers used Lena's 1972 centrefold to test image-processing algorithms, helping lay the groundwork for JPEG. The campaign challenged the image's continued use as the world's most-used test image.
How it works
There is a hidden history inside a familiar digital image: in the 1970s, researchers at the University of Southern California used Lena, Miss November 1972, to test image-processing algorithms. The research helped lay the groundwork for the JPEG, and the image became the world's most-used test image.
Losing Lena made that history the problem. By exposing the image's origin and campaigning for its removal, the idea challenged a technical field to stop treating a sexualized image as a neutral default and to create a more equitable future for women in tech.
Why it lands
- It revealed the bias inside an object the field had learned to treat as neutral infrastructure.
- It connected historical provenance to a present-day decision: which image should technical teams keep using for tests.
- The campaign gave an abstract equity concern a concrete action instead of leaving it as a general complaint.
What it did
The campaign turned an invisible technical convention into a gender-equity question and supplied a concrete ask: stop using Lena as the default test image.
What you can take
When a neutral-looking default carries a biased origin, reveal the history and propose a specific removal or replacement.
Since then
The campaign's requested endpoint is removal of Lena from technical testing, so its lasting intervention is a change to what the field treats as a default test asset.
Sources
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