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ThinkingSapien
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Twitter is looking into why its photo preview appears to favor white faces over Black faces
Users discovered the problem with the neural network that crops photo previews
Twitter it was looking into why the neural network it uses to generate photo previews apparently chooses to show white people’s faces more frequently than Black faces.Several Twitter users demonstrated the issue over the weekend, posting examples of posts that had a Black person’s face and a white person’s face. Twitter’s preview showed the white faces more often.
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The informal testing began after a Twitter user tried to post about a problem he noticed in Zoom’s facial recognition, which was not showing the face of a Black colleague on calls. When he posted to Twitter, he noticed it too was favoring his white face over his Black colleague’s face.
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Users discovered the preview algorithm chose non-Black cartoon characters as well.
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When Twitter first began using the neural network to automatically crop photo previews, machine learning researchers explained in a blog post how they started with facial recognition to crop images, but found it lacking, mainly because not all images have faces:
Twitter chief design officer Dantley Davis tweeted that the company was investigating the neural network, as he conducted some unscientific experiments with images:
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