Facial recognition: is the technology taking away your identity?

Good article on face recognition by Luke Dormehl in the Observer.

Facial recognition: is the technology taking away your identity?

This summer, Facebook will present a paper at a computer vision conference revealing how it has created a tool almost as accurate as the human brain when it comes to saying whether two photographs show the same person – regardless of changes in lighting and camera angles.A human being will get the answer correct 97.53% of the time; Facebook’s new technology scores an impressive 97.25%. “We closely approach human performance,” says Yaniv Taigman, a member of its AI team.

Since the ability to recognise faces has long been a benchmark for artificial intelligence, developments such as Facebook’s “DeepFace” technology (yes, that’s what it called it) raise big questions about the power of today’s facial recognition tools and what these mean for the future.

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Google’s deepest dive into facial recognition is its Google Glass headsets. Thanks to the camera built into each device, the headsets would seem to be tailormade for recognising the people around you. That’s exactly what third-party developers thought as well, since almost as soon as the technology was announced, apps such as NameTagbegan springing up. NameTag’s idea was simple: that whenever you start a new conversation with a stranger, your Google Glass headset takes a photo of them and then uses this to check the person’s online profile. Whether they share your interest in Werner Herzog films, or happen to be a convicted sex offender, nothing will escape your gaze. “With NameTag, your photo shares you,” the app’s site reads. “Don’t be a stranger.”

While tools such as NameTag appeared to be the kind of “killer app” that might make Google Glass, in the end Google agreed not to distribute facial recognition apps on the platform, although some have suggested that is no more than a “symbolic” ban that will erode over time. That is to say, Google may prevent users from installing facial recognition apps per se on Glass but it could well be possible to upload images to sites, such as Facebook, that feature facial recognition. Moreover, there is nothing to prevent a rival headset allowing facial recognition apps – and would Google be able to stop itself from following suit?

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Perhaps the most notable thing about our faith in facial recognition is what it says regarding belief in the inherent neutrality (or even objectivity) of such systems. “One of the things that troubles me is the idea that machines don’t have bias,” says Gates

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“These databases are what define our social mobility and our ability to move through the world,” says Gates. “Individual identification is always tied to social classification. It’s always there for some specific purpose, and that’s usually to determine someone’s level of access or privilege.

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Read the full article here

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