{"id":1919,"date":"2020-12-22T17:50:24","date_gmt":"2020-12-22T17:50:24","guid":{"rendered":"https:\/\/thenextweb.com\/?p=1332708"},"modified":"2020-12-22T17:50:24","modified_gmt":"2020-12-22T17:50:24","slug":"wearable-that-detects-hand-gestures-could-one-day-control-prosthetics-and-computers","status":"publish","type":"post","link":"https:\/\/www.londonchiropracter.com\/?p=1919","title":{"rendered":"Wearable that detects hand gestures could one day control prosthetics and computers"},"content":{"rendered":"\n<div><img decoding=\"async\" src=\"https:\/\/img-cdn.tnwcdn.com\/image\/neural?filter_last=1&amp;fit=1280%2C640&amp;url=https%3A%2F%2Fcdn0.tnwcdn.com%2Fwp-content%2Fblogs.dir%2F1%2Ffiles%2F2020%2F12%2FUntitled-design-2020-12-22T133219.747.png&amp;signature=be25294d066f20a857f6300af458495c\" class=\"ff-og-image-inserted\"><\/div>\n<p>UC Berkeley researchers have developed a gesture-detecting wearable that they&nbsp;believe could be used to control prosthetics and electronic devices<\/p>\n<p>The device uses a combination of biosensors and AI software to identify the hand gestures a person intends to make by analyzing electrical signals from their&nbsp;arm.<\/p>\n<p>It\u2019s&nbsp;<a href=\"https:\/\/thenextweb.com\/neural\/2020\/04\/28\/mits-new-wearable-lets-you-control-drones-with-jedi-like-arm-gestures\/\">far from the first<\/a> gesture recognition system designed for human-computer interaction (HCI), but the&nbsp;new system offers some unique benefits.<\/p>\n<p>Most notably, it uses a&nbsp;neuro-inspired hyperdimensional computing algorithm to update itself as it receives new information, such as changes to electrical signals when an&nbsp;arm gets sweaty.<\/p>\n<p>\u201cIn gesture recognition, your signals are going to change over time, and that can affect the performance of your model,\u201d study coauthor Ali Moin explained in <a href=\"https:\/\/news.berkeley.edu\/2020\/12\/21\/high-five-or-thumbs-up-new-device-detects-which-hand-gesture-you-want-to-make\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">a statement<\/a>. \u201cWe were able to greatly improve the classification accuracy by updating the model on the device.\u201d<\/p>\n<p><iframe loading=\"lazy\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/z3D9WBfUKsQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen>[embedded content]<\/iframe><\/p>\n<p>The team screen-printed the biosensing system onto a thin sheet of PET substrate, a&nbsp;polymer resin that\u2019s typically used to produce synthetic fibers and plastic containers.<\/p>\n<p>The researchers&nbsp;picked the material for their armband due to its flexibility, which&nbsp;allows it to conform to a forearm\u2019s muscle movements.<\/p>\n<p>The array is comprised of 64 electrodes, each of which detects electric signals from a different point on the arm. This data is fed into an electric chip, which uses the&nbsp;algorithm to associate the signals with specific hand gestures.<\/p>\n<p><em>[Read:&nbsp;<a href=\"https:\/\/thenextweb.com\/neural\/2020\/04\/28\/mits-new-wearable-lets-you-control-drones-with-jedi-like-arm-gestures\/\">MIT\u2019s new wearable lets you control drones with Jedi-like arm gestures<\/a>]<\/em><\/p>\n<p>The team trained the&nbsp;algorithm by wrapping the armband around a user\u2019s&nbsp;forearm and instructing them to perform each gesture. In testing, the system accurately classified<span>&nbsp;21 hand signals, including a fist, thumbs-up, and counting numbers.<\/span><\/p>\n<h2>A wearable future?<\/h2>\n<p>All of the computing&nbsp;is done locally on the chip,&nbsp;which speeds up the system and protects the user\u2019s biological data.<\/p>\n<p>Moin believes this combination of security and performance could turn the system into a viable commercial product:<\/p>\n<blockquote readability=\"15\">\n<p>Prosthetics are one important application of this technology, but besides that, it also offers a very intuitive way of communicating with computers. Reading hand gestures is one way of improving human-computer interaction.&nbsp;And, while there are other ways of doing that, by, for instance, using cameras and computer vision, this is a good solution that also maintains an individual\u2019s privacy.<\/p>\n<\/blockquote>\n<p><span>You can read the study paper i<\/span><span>n the journal&nbsp;<\/span><a class=\"underline border-color-innovation\" href=\"https:\/\/www.nature.com\/articles\/s41928-020-00510-8\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><em>Nature Electronics<\/em><\/a><span>.<\/span><\/p>\n<p> <a href=\"https:\/\/thenextweb.com\/neural\/2020\/12\/22\/wearable-that-detects-hand-gestures-could-one-day-control-prosthetics-and-computers\/\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UC Berkeley researchers have developed a gesture-detecting wearable that they&nbsp;believe could be used to control prosthetics and electronic devices The device uses a combination of biosensors and AI software to identify the&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1920,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/1919"}],"collection":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1919"}],"version-history":[{"count":0,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/posts\/1919\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=\/wp\/v2\/media\/1920"}],"wp:attachment":[{"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.londonchiropracter.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}