This bracelet uses thermal cameras to recreate the posture of the hand in 3D

Researchers at the University of Wisconsin and Cornell developed a device that uses sensing technology to track hand movements in 3D.

This device called FingerTrak uses a series of very small thermal cameras and the potential of Machine Learning to detect and interpret hand movements and positions.

The dynamics of this device are simple. Once the user places it on his wrist as if it were a bracelet, the device begins to track the movements of the hand with a very particular system:

This was an important discovery on the part of our team: that by looking at their wrist contours, the technology could be reconstructed in 3D, with great precision. [] can detect and translate in 3D the many positions of the human hand, including 20 positions of the finger joints

That is, miniature cameras capture the contour of the wrist and artificial intelligence takes these images to reconstruct the hand and its position in 3D. A process that takes place in real time, capturing every slight movement.

You can see some examples of the dynamics proposed by FingerTrak in the video they have shared on YouTube:

The applications of this device are many. It can be used for medical research and the detection of progressive diseases that affect motor ability, such as Parkinson’s. And of course, be a great ally for new products or technologies based on virtual reality.

On the other hand, the researchers emphasize that this dynamic could also be used for sign language translation, since the device is lightweight and takes advantage of the potential of AI. At the moment, this project is in its infancy, so we will have to wait to see it in action.

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