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Forget AI moderation: Meta open sources new image hashing database.
Facebook-owner Meta has launched a new open source tool that uses image hashes to identify unwanted content like terrorist videos and child sexual exploitation material.
Software like this plays a hugely important (but mostly invisible) role in keeping social media safe, as demonstrated by Microsoft’s PhotoDNA tool.
Meta likes to boast about its fancy AI moderation, but tried-and-tested image hashing is where it’s at.
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