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New “Lip Motion” Technology Creates Unique User Passwords

New “Lip Motion” Technology Creates Unique User Passwords
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By Robert Foster
Contributor

A professor at Hong Kong Baptist University has developed a unique way for users to create a secure password. Professor Cheung Yiu-ming from the Department of Computer Science has invented a technology that uses “lip motion” to create a password.

With the widespread use of biometric data to confirm identity, advancements in this field are bound to flourish. This new technology can verify an individual’s identity by simultaneously matching the password content with the users underlying behavioral characteristics of lip movement.

Just like a fingerprint is unique to an individual person, the movement characteristics of the lips when saying a password cannot be imitated by another, creating a high degree of security. However, unlike a fingerprint, that if hacked cannot be changed, this type of identifying password can be changed or updated at any time.

Professor Yiu-ming pointed out his technology’s advantages over conventional security methods. First, lip motion dynamics are very unique and extremely hard to mimic. Identical passwords spoken by two different individuals will have two completely different lip motions that can be detected by the device.

Second is the dual verification necessary to confirm identity. Not only does the user have to know the correct password, but also must have the same characteristics of lip motion when saying that word.

Third, this type of motion sensing as opposed to traditional voice recognition is less affected by background noises and can be used by people with speech impairments. Additionally, the lip password can be reset at any time by the user to ensure security.

And finally,  there are no language barriers with this type of technology. A person of any country can speak in their native language to create their unique password.

The system uses a computer learning model that inputs the visual movement, shape and texture of the lip sequence, analyzes this information and sets thresholds for acceptance and rejection of the spoken password.

Currently, this technology is anticipated to be used in financial transaction verification. However, this type of technology could be put to good use in a wide variety of situations, either used on its own or in combination with other biometric data devices.

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