Facebook’s moderators can’t possibly look through every single image that gets posted on the enormous platform, so Facebook is building AI to help them out. In a blog post today, Facebook describes a system it’s built called Rosetta that uses machine learning to identify text in images and videos and then transcribe it into something that’s machine readable. In particular, Facebook is finding this tool helpful for transcribing the text on memes.
Text transcription tools are nothing new, but Facebook faces different challenges because of the size of its platform and the variety of the images it sees. Rosetta is said to be live now, extracting text from 1 billion images and video frames per day across both Facebook and Instagram.
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