Making adult videos with "deepfake" technology First arrest October 2, 13:16

Two men are honored to create fake adult videos of female entertainers and distribute them on the Internet with a technology called "deepfake" that uses AI to create fake videos that are indistinguishable from the real thing. He was arrested by the Metropolitan Police Department on suspicion of damage.

Takumi Hayashida (21), a university student in Kumamoto City, and Takanobu Otsuki (47), a system engineer in Sanda City, Hyogo Prefecture, were arrested.



According to the Tokyo Metropolitan Police Department, from December to July last year, they made a fake video that replaced the faces of four female entertainers by matching the faces of the performers of the adult video, and it was honored that they distributed it on the Internet. There is a suspicion of damage and violation of copyright law.



The two used a personal computer and free software on the Internet to train AI to learn about 30,000 images for each entertainer using a technology called "deepfake," and then combined them with adult videos. is.



In response to the investigation, they all admitted the charges and stated that they wanted to make money and that they wanted the technology to be evaluated.



Of these, Hayashida operated a membership-based pay site and sold about 800,000 yen, so the Metropolitan Police Department investigated that the two had created more than 1,200 fake videos so far. I am.



According to the Tokyo Metropolitan Police Department, it is the first time that the creator has been arrested for the "Deepfake" video.

Kyoto Prefectural Police also caught in deepfake video

AI = A 30-year-old man in Oita prefecture who made a video that synthesized the face of an entertainer with the body of a woman in an adult video using a technique called "deepfake" that makes elaborate fake videos using artificial intelligence. Was arrested on suspicion of violating copyright law.



The person arrested was Kouya Nomaguchi (30), an unemployed person in Kitsuki City, Oita Prefecture.



According to the Kyoto Prefectural Police Headquarters, in April, Nomaguchi used a technology called "deepfake" to make fake videos that are indistinguishable from the real thing with AI, and made the face of an adult video female. There is a suspicion of copyright law violation and defamation, such as creating a video synthesized on the body and posting it on Twitter.



He admitted to the investigation and stated that he had done it to make money.



Police are investigating that Nomaguchi made more than 100 fake videos using a dedicated app and made a profit of more than 500,000 yen from sales fees and advertising revenue of the site.



According to police, the creators of fake videos using "deepfake" have been arrested for the first time in the country.

What is "deepfake"?

"Deepfake" is a technology that uses AI = artificial intelligence to create clever fake videos that are indistinguishable from the real thing.



By collecting video and audio data of a person's face and letting AI learn it, the synthesized face can be moved with a natural expression instead of simple replacement.



About three years ago, it began to spread mainly overseas, and fake videos processed as told in an interview that former President Obama of the United States and CEO of Facebook Zuckerberg did not actually say were released and discussed. I called.



Abuse of pornographic videos is increasing rapidly in Japan as well, and police have confirmed that about 3,500 fake videos have been released and 200 entertainers have been damaged.



There is no law that regulates deepfake itself, and the issue is how to prevent damage.