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Doctored images have been around for decades. The term "Photoshopped" is part of everyday language. But in recent years, it has seemingly been replaced by a new word: deepfake. It's almost everywhere online, but you likely won't find it in your dictionary at home. What exactly is a deepfake, and how does the technology work? RELATED STORY | Scripps News Reports: Sex, Lies, and Deepfakes A deepfake is an image or video that has been generated by artificial intelligence to look real. Most deepfakes use a type of AI called a "diffusion model." In a nutshell, a diffusion model creates content by stripping away noise. "With diffusion models, they found a very clever way of taking an image and then constructing that procedure to go from here to there," said Lucas Hansen said. He and Siddharth Hiregowdara are cofounders of CivAI, a nonprofit educating the public on the potential — and dangers — of AI. How diffusion models work It can get complicated, so imagine the AI – or diffusion model – as a detective trying to catch a suspect. Like a detective, it relies on its experience and training. It recalls a previous case -– a sneaky cat on the run. Every day it added more and more disguises. On Monday, no disguise. Tuesday, it put on a little wig. Wednesday, it added some jewelry. By Sunday, it's unrecognizable and wearing a cheeseburger mask. The detective learned these changes can tell you what it wore and on what day. AI diffusion models do something similar with noise, learning what something looks like at each step. "The job of the diffusion model is to remove noise," Hiregowdara said. "You would give the model this picture, and then it will give you a slightly de-noised version of this picture." RELATED STORY | Scripps News got deepfaked to see how AI could impact elections When it's time to solve the case and generate a suspect, we give it a clue: the prompts we give when we create an AI-generated image. "We have been given the hint that this is supposed to look like a cat. So what catlike things can we see in here? Okay, we see this curve, maybe that's an ear," Hiregowdara said. The "detective" works backward, recalling its training. It sees a noisy image. Thanks to the clue, it is looking for a suspect — a cat. It subtracts disguises (noise) until it finds the new suspect. Case closed. Now imagine the "detective" living and solving crimes for years and years. It learns and studies everything — landscapes, objects, animals, people, anything at all. So when it needs to generate a suspect or an image, it remembers its training and creates an image. Deepfakes and faceswaps Many deepfake images and videos employ some type of face swapping technology. You've probably experienced this kind of technology already — faceswapping filters like on Snapchat, Instagram or Tiktok use technology similar to diffusion models, recognizing faces and replacing things in real time. "It will find the face in the image and then cut that out kind of, then take the face and convert it to its internal representation," Hansen said. The results are refined then repeated frame by frame. The future and becoming our own detectives As deepfakes become more and more realistic and tougher to detect, understanding how the technology works at a basic level can help us prepare for any dangers or misuse. Deepfakes have already been used to spread election disinformation, create fake explicit images of a teenager, even frame a principal with AI-created racist audio. "All the netizens on social media also have a role to play," Siwei Lyu said. Lyu is a SUNY Empire Innovation Professor at the University of Buffalo's Department of Computer Science and Engineering, and the director of the Media Forensics Lab. His team has created a tool to help spot deepfakes called "DeepFake-o-meter." "We do not know how to handle, how to deal, with these kinds of problems. It's very new. And also requires technical knowledge to understand some of the subtleties there," Lyu said. "The media, the government, can play a very active role to improve user awareness and education. Especially for vulnerable groups like seniors, the kids, who will start to understand the social media world and start to become exposed to AI technologies. They can easily fall for AI magic or start using AI without knowing the limits." RELATED STORY | AI voice cloning: How programs are learning to pick up on pitch and tone Both Lyu and CivAI believe in exposure and education to help combat any potential misuse of deepfake technology. "Our overall goal is that we think AI is going t impact pretty much everyone in a lot of different ways," Hansen said. "And we think that everyone should be aware of the ways that it's going to change them because it's going to impact everyone." "More than just general education — just knowing the facts and having heard what's going to happen," he added. "We want to give people a really intuitive experience of what's going on." Hansen goes on to explain CivAI's role in educating the public. "We try and make all of our demonstrations personalized as much as possible. What we're working on is making it so people can see it themselves. So they know it's real, and they feel that it's real," Hansen said. "And they can have a deep gut level feel for tthe impact that it's going to have." "A big part of the solution is essentially just going to be education and sort of cultural changes," he added. "A lot of this synthetic content is sort of like a new virus that is attacking society right now, and people need to become immune to it in some ways. They need to be more suspicious about what's real and what's not, and I think that will help a lot as well."Luigi Nicholas Mangione, the suspect in the fatal shooting of a healthcare executive in New York City, apparently was living a charmed life: the grandson of a wealthy real estate developer, valedictorian of his elite Baltimore prep school and with degrees from one of the nation's top private universities. Friends at an exclusive co-living space at the edge of touristy Waikiki in Hawaii where the 26-year-old Mangione once lived widely considered him a “great guy,” and pictures on his social media accounts show a fit, smiling, handsome young man on beaches and at parties. Javascript is required for you to be able to read premium content. Please enable it in your browser settings. Success! 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Jacob Bethell will make his England Test debut in the opening Test of their three-match series against New Zealand in Christchurch. England have named their team for the series opener two days out from the opening day on Thursday, November 28, with the 21-year-old Warwickshire batter set to bat at No 3. Ollie Pope will keep wicket in the absence of Jordan Cox, who fractured his right thumb during practice last weekend in Queenstown, and will drop down to No 6 in the order. England XI for the first Test vs New Zealand: Zak Crawley, Ben Duckett, Jacob Bethell, Joe Root, Harry Brook, Ollie Pope (wk), Ben Stokes (capt), Chris Woakes, Gus Atkinson, Brydon Carse, Shoaib Bashir. Trending More to follow... This is a breaking news story that is being updated and more details will be published shortly. Please refresh this page for the latest updates. Also See: Stream Sky Sports with NOW What cricket is live on Sky Sports and when? Latest cricket highlights and video All today's cricket scorecards Sky Sports brings you live updates as they happen. Get breaking sports news, analysis, exclusive interviews, replays and highlights. Sky Sports is your trusted source for breaking sports news headlines and live updates. Watch live coverage of your favourite sports: Football, F1, Boxing, Cricket, Golf, Tennis, Rugby League, Rugby Union, NFL, Darts, Netball and get the latest transfers news, results, scores and more. Visit skysports.com or the Sky Sports App for all the breaking sports news headlines . You can receive push notifications from the Sky Sports app for the latest news from your favourite sports, you can follow @SkySportsNews on X to get the latest updates and you can also now follow Sky Sports' WhatsApp channel .
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How to Watch Top 25 Women’s College Basketball Games – Tuesday, November 26Grey Market Labs announces $8M Series A funding led by Capri Ventures to accelerate growth of its Replica Platform - First of its kind "Secure Environment as a Service"WASHINGTON — A failure to recognize a high-risk area including a rooftop within range of a presidential nominee’s stage. Insufficient guidance on who was responsible for what at an immense, boisterous rally. Heavy responsibility placed on Secret Service agents with little-to-no experience in advance planning. And a fragmented communication structure and technology breakdowns that let a gunman elude law enforcement and open fire — rocking an already heated election and taking a man’s life. The bipartisan House task force on the assassination attempt on President-elect Donald Trump on July 13 at the Butler Farm Show grounds cited these and other severe, systemic failures in its final report released Tuesday. Javascript is required for you to be able to read premium content. Please enable it in your browser settings.
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NASHVILLE, Tenn. (AP) — The Tennessee Titans have the slimmest of playoff hopes and must win out to have any chance of keeping them alive. Figuring out who they are would be a first step in the right direction. The Titans (3-9) also must bounce back from last week's ugly loss at Washington that cost this franchise yet another chance to string together consecutive wins for the first time in more than two years. “We know that this is a big opportunity for us to develop as a team and to create and to continue developing our identity,” quarterback Will Levis said. “And so we’re going to make sure that we do our best throughout these next few weeks to do that.” The Jacksonville Jaguars (2-10) lost Trevor Lawrence for the rest of the season after the hit he took from Texans linebacker Azeez Al-Shaair in last week's 23-20 loss to Houston. Their already dim playoff hopes were extinguished Monday night when Denver won. That leaves the Jaguars playing for pride and potentially drafting No. 1 overall for the third time in five years. “It’s all about how you finish,” tight end Evan Engram said. “How we finish probably won’t erase the feeling we have of the season. But as the pride of this franchise, the pride of the team, it’s definitely worth going to finish strong and going to get some wins and fighting for that.” Stop the run The Titans went into Washington with one of the NFL's stingiest defenses and wound up shredded, giving up a season-worst 267 yards rushing. Defensive coordinator Dennard Wilson said, “We can’t allow what happened last week to happen again.” Ridley revenge game Wide receiver Calvin Ridley says he's excited to see some old teammates Sunday and downplayed a question about how close Jacksonville's offer to keep him last March might've been when he chose to sign with division rival Tennessee instead. “Doesn't matter right now,” Ridley said. “I'm excited for this week. Jags come in here, play with my boys. I'm excited.” Ridley played one season with Jacksonville after the Jaguars traded for him . He had 76 catches for 1,016 yards and eight TDs last season with the Jaguars. So far this season, Ridley has 43 receptions for 679 yards and three TDs. “I just know I'm going to be ready,” Ridley said. Streaking Jaguars Jacksonville has lost 16 consecutive games when tied or trailing at halftime. It’s a complete flip from the 2022 season, in which the Jaguars rallied to beat Dallas, the Las Vegas Raiders and Tennessee down the stretch to make the playoffs. The 20-16 victory against the Titans in the regular-season finale that year is the last time coach Doug Pederson’s team has come from behind to win after trailing or being tied at the break. Tennessee led 13-7 at the half in that one and was minutes from winning a third straight AFC South title . Hines-Allen nears sack record Jaguars defensive end Josh Hines-Allen needs 4 1/2 sacks to break the franchise record of 55 held by Tony Brackens. Hines-Allen has at least half a sack in four consecutive games against Tennessee, which has given up 43 sacks in 2024. “My family knows about it probably more than me,” Hines-Allen said. “My wife tells me all the time, ‘Hey, get that record. All you just need is four sacks.’ Like, you can just (get) four sacks. “I had a couple games last year where I had three, so I can’t say it’s out of the realm. But I never had four sacks; don’t know what it feels like to do that in one game. But hopefully speak it into existence.” QB challenge Mac Jones will be starting at quarterback and is 0-2 with the Jaguars this season. He has one more interception (three) than touchdown passes (two) in five appearances. The Titans are looking to see if Levis can keep building on his strong play of the past month and start turning those into wins. Levis is 1-3 since returning from a strained throwing shoulder. He has seven TD passes with two interceptions for a 101.3 passer rating in his past four games. He also is completing 61.7% of his passes for 960 yards. “The cool thing right now for Will is that as we’ve corrected things, he’s corrected them,” Titans coach Brian Callahan said . “And that’s been really fun to watch as he’s made adjustments from game to game, sometimes even from in the game made an adjustment to a coverage or a read, and that part’s been good to see.” ___ AP Pro Football Writer Mark Long in Jacksonville, Florida, contributed to this report. ___ AP NFL: https://apnews.com/hub/nfl Teresa M. Walker, The Associated Press
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