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Read My Lips
May 31, 2012   
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Inventors at the Gdańsk University of Technology’s Multimedia Systems Department have built a multimodal interface for controlling the computer with lip and tongue movements.

The invention, credited to Andrzej Czyżewski and Piotr Dalka, won a gold medal at the Councours Lépine innovation fair in Paris.

The multimodal interface for controlling the computer with lip and tongue movements will help paralyzed people and those unable to use their hands, the inventors say.

What makes the system different from other inventions of this kind is that users do not need any extra devices attached to their bodies. Systems currently available to paralyzed users require a special detector to be mounted on the user’s head with sensor arms reaching to the eyes and mouth.

The Gdańsk invention does not require the computer to undergo any special adjustments before it is used by a disabled person, and, more importantly, the user needs no devices attached to his or her body. All the new system needs to work is an ordinary PC and a webcam, which obviously reduces the cost of using the interface.

In the application, the computer cursor is controlled with movements of the lips, which are captured by an ordinary webcam and then recognized through dynamic image processing. Advanced image analysis and processing algorithms contained in the application are used to control the computer.
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