Inside the system using blood flow to detect deepfake video BBC News

Deepfake videos a type of fake video that uses artificial intelligence to swap faces or create a digital version of someone are on the rise, but one tech firm thinks it has the tool to catch it in the act. Intels FakeCatcher system analyses video, and uses a technique called Photoplethysmography (PPG), which detects changes in blood flow in a persons face because deepfake faces dont give out these signals. The company claims it has an accuracy of 96, but does it work, and can it actually be used to tell whats real, and what isnt Please subscribe here: , Deepfake, AI, BBCNews