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BBCNEWS Sportsday June 4, 2024 17:51:00

If you only try to find the wrong things, sometimes they can be fixed, and you cannot no longer find the wrong things. so we twist that question and we asked what is real about authentic videos, what is real about us. so fakecatcher looks at that question in the sense of looking at your heart. when your heart pumps blood, our veins are changing colour and that colour change is called photoplethysmography ppg for short. we take those ppg signals from many places on your face and convert them into ppg maps, then we develop deep learning approach on top of that to classify into fake or real videos. in short, fakecatcher looks for minuscule signs of bloodflow in your face, something a deepfake would not have. it also analyses videos for authentic human eye movement. normally, when humans look at a point, when i look at you, if i m shooting rays from my eyes it s actually converging on you. ....

Photoplethysmography Ppg , Ppg Signals , Ppg Maps , Authentic Human Eye Movement ,

BBCNEWS Click June 4, 2024 19:53:00

I still believe that marriage should be between a man and and a woman. i m a traditionalist, 0k? really, it s just that i m a traditionalist. what does fakecatcher say? fake with 66% accuracy. this is.fake. yay! yay. 0k, next one. lam enjoying, are you enjoying this? the system was good at finding fakes, but not so good at working out that a video was real. i d be working with the leaders of congress now, today. yeah, 0k. ithink fake. saying fake? what is it again? 3bcd. that is actually real. really? that s a real one. ok, that means that the ppg signals are broken at some point. 0k. here s a problem with the system. it doesn t analyse for audio, yet. so often videos that seemed fairly obviously real was still labelled as fake. ....

His Fake , I Still Believe , Finding Fakes , Ithink Fake , Ppg Signals , Real One , It Doesn T Analyse ,

BBCNEWS Click June 4, 2024 19:51:00

The real life ilke agreed to sit down with the bbc and explain the unusual way it works. if you only try to find the wrong things, sometimes they can be fixed, and you cannot no longer find the wrong things. so we twist that question and we asked what is real about authentic videos, what is real about us. so fakecatcher looks at that question in the sense of looking at your heart. when your heart pumps blood, our veins are changing colour and that colour change is called photoplethysmography ppg for short. we take those ppg signals from many places on your face and convert them into ppg maps, then we develop deep learning approach on top of that to classify into fake or real videos. in short, fakecatcher looks for minuscule signs of bloodflow in your face, something a deepfake would not have. ....

Ppg Signals , Ppg Maps , Photoplethysmography Ppg ,