Chinese Watrix Gait Recognition Watching You Always

Gait recognition company Watrix is seeking to provide Chinese government authorities with yet another handy surveillance tool.


(Watrix gait recognition video)

The software, built by a Chinese artificial intelligence company called Watrix, extracts a person's silhouette from video and analyses the silhouette's movement to create a model of the way the person walks.

Watrix chief executive officer Huang Yongzhen said its system can identify people from up to 50 metres away, even with their back turned or face covered.

"You don't need people's cooperation for us to be able to recognise their identity," Mr Huang said.

"Gait analysis can't be fooled by simply limping, walking with splayed feet or hunching over, because we're analysing all the features of an entire body."

(Via ABC.au.)

The use of gait recognition as a biometric identification system has been around for at least twenty years. Cory Doctorow made good use of it in his 2008 novel Little Brother:

Gait-recognition software takes pictures of your motion, tries to isolate you in the pics as a silhouette, and then tries to match the silhouette to a database to see if it knows who you are. It's a biometric identifier, like finger prints or retina-scans...
(Read more about gait-cams)

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Index of related articles:

Biometric security overview
Biometrics Glossary
Characteristics of successful biometric identification methods
Biometric identification systems
Biometric technology on the leading edge
Biometric identification - advantages
Biometric security and business ethics
Biometric authentication: what method works best?
Iris Recognition
Iris Scan

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