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Wearable device could help control computers through hand gestures


The future is at hand… no, literally with a gesture-detecting device which may greatly aid prosthetics and electronic devices. This latest technology is developed by UC Berkeley researchers.

In order to assume control over prosthetics, for example, it will need to harness the combines powers of biosensors as well as AI software to recognise a hand gesture its user attempts to make. Electric signals are then analyzed from their arm.

What makes it unique from similar technology? Well, this development makes use of neuro-inspired hyper dimensional computing algorithm so that it would be kept up to recent information gathered. One example of this is the alternation of electric signals when the arm produces sweat. This biosensing feature has been screen-printed by its progenitors onto a thin sheet of PET substrate which is a basically a polymer resin one uses to be able to create synthetic fibers and plastic containers. This is a reasonable choice because of its flexibility.

This is made up of exactly 64 electrodes, those which are able to detect electric signals from every part of the arm. The data is then transferred to an electric chip which, in turn, makes use of the algorithm to connect signals with specific hand gestures. Upon testing their creation, the team found that it was able to accurately name 21 hand signals which includes a thumbs-up as well as being able to count.

What’s more, the chip used allows the system to speed up while protecting the user’s biological data. Such a creation is valuable when particularly combined with an equally important technology such as the prosthetics. It makes human lives easier, and it does pave the way for more upgrades in the near future.

Source: Nature Electronics

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