3/22/2021 0 Comments Real Lie Detector App
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Real Lie Detector App Bluetooth Keyboard ShippingAndro Lib.com Home Blog New RSS Feeds Market stats Credits House Of Palm 4.883 sec Stats: 0 Android apps 0 screenshots and 0 screenshots from market 0 videos 0 Android wallpapers. ![]() A new machine learning algorithm developed by computer scientists at the University of Copenhagen can identify honesty -- and dishonesty -- by analyzing how you swipe or tap a smartphone. Dishonest interactions often take longer and involve more hand movement than honest ones, according to a research paper ( PDF ) to be published Friday. It gives recipients of questionable messages the option of asking the sender for more information. The experimental app runs on Android phones and isnt available to the public. Aske Mottelson, one of the papers authors, says the algorithms ability to detect lies is comparable to that of a polygraph. However, it has its limits and shouldnt be used in courtrooms or other high-stakes environments, he said. Humans have long been fascinated with the idea of detecting lies and have spent decades trying to create a device that can unequivocally tell when someones bluffing. The polygraph is the closest weve come to creating a gold standard in truth evaluation, but its faced a fair share of criticism over accuracy since it was created in 1921. Technology has tried to offer up 21st-century solutions, all of which rely to some degree on the bodys response to lying. Converus, a startup, created a test that analyzes truthfulness by measuring subtle changes in a persons eyes, such as pupil dilation and blink rate. Its EyeDetect system is 86 percent accurate, the company says. The technology isnt meant to replace polygraphs, but rather to serve as another lie detection tool. Toronto-based NuraLogix uses a conventional video camera -- like the one found in your phone or laptop -- to capture changes in blood flow in a persons face. The technology, called Transdermal Optical Imaging, then applies machine learning algorithms that can detect things like heart rate and blood pressure. People cant control these physiological responses, which makes it easier to tell when theyre lying, says Kang Lee, the companys chief science officer. Lee says theyre using this technology to develop an app that can monitor a persons physical and psychological health. The app, which is in beta testing for iPhone, can measure your stress, heart rate and blood pressure in about 30 seconds by having you look at your phone. These same capabilities can easily be carried over into a lie detection app, he says. Machine learning and deep learning allow us to learn about patterns of lying versus truth telling in a much better way, Lee said. How your phone can tell if youre lying The researchers behind Veritaps conducted three studies to gauge how dishonesty affected a users interactions with a mobile device. In one study, participants were asked to either lie or tell the truth about a color shown on the screen of their phones. In another test, a person received money and was told to split it with a second person. When given the option to lie about the amount received, however, people generally took more time before entering the amount to give away. Players werent encouraged to lie but were rewarded based on their reported score, making it profitable for them to do so.
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