{"video_id":"4JbAyHnYuhI","title":"How Does Eye Tracking Work?","channel":"Techquickie","show":"Techquickie","published_at":"2018-05-06T14:58:16Z","duration_s":245,"segments":[{"start_s":0.08,"end_s":5.2,"text":"thanks for watching techwiki click the subscribe button then enable","speaker":null,"is_sponsor":0},{"start_s":3.2,"end_s":9.12,"text":"notifications with the bell icon so you won't miss any future videos","speaker":null,"is_sponsor":0},{"start_s":7.44,"end_s":13.28,"text":"so wouldn't it be useful if you could instantly know where people are looking","speaker":null,"is_sponsor":0},{"start_s":11.04,"end_s":17.279,"text":"without having to stare back at them maybe you're wondering if your crush is","speaker":null,"is_sponsor":0},{"start_s":15.04,"end_s":21.199,"text":"checking you out from across the room or maybe you're just hoping that no one can","speaker":null,"is_sponsor":0},{"start_s":18.8,"end_s":26.56,"text":"see you picking your nose inside the car well we haven't invented 360 degree","speaker":null,"is_sponsor":0},{"start_s":23.92,"end_s":30.0,"text":"bionic vision implants yet but there are a number of eye tracking technologies","speaker":null,"is_sponsor":0},{"start_s":28.56,"end_s":33.6,"text":"out there that can at least help your computer know exactly what you're","speaker":null,"is_sponsor":0},{"start_s":31.679,"end_s":38.399,"text":"looking at which has applications and feels from gaming to marketing to even","speaker":null,"is_sponsor":0},{"start_s":35.68,"end_s":42.719,"text":"psychology but how exactly do they work well it turns out there are a number of","speaker":null,"is_sponsor":0},{"start_s":40.239,"end_s":46.48,"text":"different ways to keep an eye on your eyeballs","speaker":null,"is_sponsor":0},{"start_s":44.879,"end_s":51.039,"text":"and the modern history of eye tracking goes all the way back to 1908 when","speaker":null,"is_sponsor":0},{"start_s":49.2,"end_s":54.96,"text":"psychologist edmund huey developed a contraption that looked like a contact","speaker":null,"is_sponsor":0},{"start_s":52.719,"end_s":59.039,"text":"lens with the lens part attached to a needle that would measure where the eye","speaker":null,"is_sponsor":0},{"start_s":56.399,"end_s":63.52,"text":"was pointed of course it wasn't exactly comfortable to have a gadget physically","speaker":null,"is_sponsor":0},{"start_s":61.039,"end_s":67.28,"text":"touching the user's eyes so while we patiently waited for the cubs to win","speaker":null,"is_sponsor":0},{"start_s":65.28,"end_s":71.4,"text":"another world series other inventors pushed the field forward","speaker":null,"is_sponsor":0},{"start_s":69.2,"end_s":75.84,"text":"and funnily enough it was in chicago in 1937 that another method of eye tracking","speaker":null,"is_sponsor":0},{"start_s":74.24,"end_s":80.64,"text":"was developed that involves shining light onto a subject's eyes and exposing","speaker":null,"is_sponsor":0},{"start_s":78.479,"end_s":84.799,"text":"the reflections onto film to understand human reading patterns now obviously","speaker":null,"is_sponsor":0},{"start_s":83.36,"end_s":88.479,"text":"modern eye tracking systems have dispensed with physical film but this","speaker":null,"is_sponsor":0},{"start_s":86.88,"end_s":92.72,"text":"strategy of examining light that reflects off your eyes is key to how","speaker":null,"is_sponsor":0},{"start_s":90.479,"end_s":97.68,"text":"consumer eye trackers work today you see eye trackers like toby which are","speaker":null,"is_sponsor":0},{"start_s":95.04,"end_s":101.92,"text":"gaining popularity with pc gamers fire infrared light instead of visible light","speaker":null,"is_sponsor":0},{"start_s":99.84,"end_s":105.52,"text":"at your eyes so the tracker will disturb your vision while you're in the heat of","speaker":null,"is_sponsor":0},{"start_s":103.2,"end_s":109.04,"text":"battle now this light is usually shown in the specific pattern which lands on","speaker":null,"is_sponsor":0},{"start_s":107.28,"end_s":113.119,"text":"your eye making it easier for the infrared camera built into the tracker","speaker":null,"is_sponsor":0},{"start_s":110.96,"end_s":116.799,"text":"to keep tabs on changes in how the light is being reflected","speaker":null,"is_sponsor":0},{"start_s":114.56,"end_s":120.24,"text":"so many times per second this camera will take infrared snapshots of the","speaker":null,"is_sponsor":0},{"start_s":118.399,"end_s":124.24,"text":"patterns on your eyes and process these images to determine where you're looking","speaker":null,"is_sponsor":0},{"start_s":122.24,"end_s":128.72,"text":"for gamers eye tracking is supported in quite a few popular games from indie","speaker":null,"is_sponsor":0},{"start_s":126.159,"end_s":132.16,"text":"titles to big budget aaa releases and can be used for everything from looking","speaker":null,"is_sponsor":0},{"start_s":130.239,"end_s":135.68,"text":"around the cockpit to determining where your targeting reticle will go in the","speaker":null,"is_sponsor":0},{"start_s":133.599,"end_s":139.04,"text":"shoot em up game and the technology has also shown problems for players with","speaker":null,"is_sponsor":0},{"start_s":137.2,"end_s":143.36,"text":"disabilities who might find traditional controllers difficult to use or even vr","speaker":null,"is_sponsor":0},{"start_s":141.52,"end_s":146.48,"text":"gamers who want the more realistic experience of the headset display","speaker":null,"is_sponsor":0},{"start_s":145.2,"end_s":151.44,"text":"adjusting to where their eyes are looking rather than just head movements","speaker":null,"is_sponsor":0},{"start_s":149.2,"end_s":154.8,"text":"and as for outside the gaming world eye tracking has also been used across","speaker":null,"is_sponsor":0},{"start_s":153.2,"end_s":159.84,"text":"disciplines to figure out what people are most interested in meaning it has","speaker":null,"is_sponsor":0},{"start_s":157.12,"end_s":163.04,"text":"obvious applications for advertisers eye tracking tech has already been used in","speaker":null,"is_sponsor":0},{"start_s":161.519,"end_s":167.2,"text":"studies that have revealed things about which elements of an advertisement or a","speaker":null,"is_sponsor":0},{"start_s":164.8,"end_s":171.12,"text":"web page best hold a viewer's attention and what things might just be taking up","speaker":null,"is_sponsor":0},{"start_s":168.64,"end_s":174.4,"text":"space or even turning the viewer off so this has raised concerns about how the","speaker":null,"is_sponsor":0},{"start_s":172.64,"end_s":177.84,"text":"technology may be used in the near future for example if you look at the","speaker":null,"is_sponsor":0},{"start_s":176.239,"end_s":181.36,"text":"digital display in the shopping mall containing an ad is there an infrared","speaker":null,"is_sponsor":0},{"start_s":180.0,"end_s":187.2,"text":"camera watching your eye movements without your knowledge is it being logged somewhere will websites end up","speaker":null,"is_sponsor":0},{"start_s":185.2,"end_s":191.28,"text":"being able to watch you through an eye tracker connected to your pc so that","speaker":null,"is_sponsor":0},{"start_s":189.28,"end_s":194.879,"text":"they can cook up even sneakier ways to serve you ads but even though eye","speaker":null,"is_sponsor":0},{"start_s":193.12,"end_s":198.959,"text":"tracking has plenty of applications in somewhat nefarious fields other areas","speaker":null,"is_sponsor":0},{"start_s":197.36,"end_s":202.64,"text":"like medical research also stand to benefit from it tremendously so you","speaker":null,"is_sponsor":0},{"start_s":200.959,"end_s":205.12,"text":"won't need a fancy eye or emitter and camera system to know that i'll be","speaker":null,"is_sponsor":0},{"start_s":204.08,"end_s":207.76,"text":"keeping an eye on it","speaker":null,"is_sponsor":0},{"start_s":207.84,"end_s":213.12,"text":"and speaking of keeping an eye on things are you tired of people keeping their","speaker":null,"is_sponsor":0},{"start_s":211.28,"end_s":216.879,"text":"eyes on you online well check out tunnelbear the simple vpn app that makes","speaker":null,"is_sponsor":0},{"start_s":215.04,"end_s":220.4,"text":"it easy to browse privately and enjoy a more open internet","speaker":null,"is_sponsor":0},{"start_s":218.4,"end_s":223.28,"text":"with tunnelbear turned on your wi-fi connection is secured and your online","speaker":null,"is_sponsor":0},{"start_s":221.92,"end_s":227.12,"text":"activity is kept private from your internet provider advertisers hackers","speaker":null,"is_sponsor":0},{"start_s":225.44,"end_s":230.879,"text":"and anyone else looking to track you or profit from your data television has a","speaker":null,"is_sponsor":0},{"start_s":229.12,"end_s":234.879,"text":"top-rated privacy policy and does not log your activity to try telebear for","speaker":null,"is_sponsor":0},{"start_s":233.12,"end_s":237.92,"text":"free with no credit card required just go to tunnelbear.com","speaker":null,"is_sponsor":0},{"start_s":236.799,"end_s":242.239,"text":"Linus okay guys you know what to do like dislike check out our other channels","speaker":null,"is_sponsor":0},{"start_s":241.2,"end_s":246.439,"text":"comment down below with video suggestions and don't forget to subscribe","speaker":null,"is_sponsor":0}],"full_text":"thanks for watching techwiki click the subscribe button then enable notifications with the bell icon so you won't miss any future videos so wouldn't it be useful if you could instantly know where people are looking without having to stare back at them maybe you're wondering if your crush is checking you out from across the room or maybe you're just hoping that no one can see you picking your nose inside the car well we haven't invented 360 degree bionic vision implants yet but there are a number of eye tracking technologies out there that can at least help your computer know exactly what you're looking at which has applications and feels from gaming to marketing to even psychology but how exactly do they work well it turns out there are a number of different ways to keep an eye on your eyeballs and the modern history of eye tracking goes all the way back to 1908 when psychologist edmund huey developed a contraption that looked like a contact lens with the lens part attached to a needle that would measure where the eye was pointed of course it wasn't exactly comfortable to have a gadget physically touching the user's eyes so while we patiently waited for the cubs to win another world series other inventors pushed the field forward and funnily enough it was in chicago in 1937 that another method of eye tracking was developed that involves shining light onto a subject's eyes and exposing the reflections onto film to understand human reading patterns now obviously modern eye tracking systems have dispensed with physical film but this strategy of examining light that reflects off your eyes is key to how consumer eye trackers work today you see eye trackers like toby which are gaining popularity with pc gamers fire infrared light instead of visible light at your eyes so the tracker will disturb your vision while you're in the heat of battle now this light is usually shown in the specific pattern which lands on your eye making it easier for the infrared camera built into the tracker to keep tabs on changes in how the light is being reflected so many times per second this camera will take infrared snapshots of the patterns on your eyes and process these images to determine where you're looking for gamers eye tracking is supported in quite a few popular games from indie titles to big budget aaa releases and can be used for everything from looking around the cockpit to determining where your targeting reticle will go in the shoot em up game and the technology has also shown problems for players with disabilities who might find traditional controllers difficult to use or even vr gamers who want the more realistic experience of the headset display adjusting to where their eyes are looking rather than just head movements and as for outside the gaming world eye tracking has also been used across disciplines to figure out what people are most interested in meaning it has obvious applications for advertisers eye tracking tech has already been used in studies that have revealed things about which elements of an advertisement or a web page best hold a viewer's attention and what things might just be taking up space or even turning the viewer off so this has raised concerns about how the technology may be used in the near future for example if you look at the digital display in the shopping mall containing an ad is there an infrared camera watching your eye movements without your knowledge is it being logged somewhere will websites end up being able to watch you through an eye tracker connected to your pc so that they can cook up even sneakier ways to serve you ads but even though eye tracking has plenty of applications in somewhat nefarious fields other areas like medical research also stand to benefit from it tremendously so you won't need a fancy eye or emitter and camera system to know that i'll be keeping an eye on it and speaking of keeping an eye on things are you tired of people keeping their eyes on you online well check out tunnelbear the simple vpn app that makes it easy to browse privately and enjoy a more open internet with tunnelbear turned on your wi-fi connection is secured and your online activity is kept private from your internet provider advertisers hackers and anyone else looking to track you or profit from your data television has a top-rated privacy policy and does not log your activity to try telebear for free with no credit card required just go to tunnelbear.com Linus okay guys you know what to do like dislike check out our other channels comment down below with video suggestions and don't forget to subscribe"}