Computer Vision

Earlier work at Facebook AI on making photos accessible to blind and visually impaired users.

Facebook AI

Automatic Alt Text

I was the AI tech lead for Automatic Alt Text (AAT), which automatically describes images for blind users of Facebook. I developed semi-supervised algorithms using cluster-based and active learning that discovered thousands of visual concepts at scale in images uploaded to Facebook.

Coverage: TechCrunch, CNET, Forbes, Engadget

Automatic Alt Text example
Automatic Alt Text describing the contents of a photo.
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