This haptic feedback system could help the visually impaired get around

The prototype sleeve developed by researchers at the Technical University of Munich has 25 points of contact with the forearm. — AFP Relaxnews

Researchers at the Technical University of Munich (TUM) have developed a surprising system to aid visually impaired people, consisting of a 3D camera, worn like glasses, and a haptic feedback sleeve that uses vibrations to signal the presence of obstacles nearby.

In a paper shared online on arXiv, in view of forthcoming publication in a scientific journal, Manuel Zahn and Armaghan Ahmad Khan explain how the system works.

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