Deepfakes Explained: How they're made, how to spot them & are they dangerous? | Explained

Behind the News
17 Oct 201911:40

Summary

TLDRDeepfakes, using AI to manipulate video and audio, have evolved from movie magic to accessible tech for anyone. This script explores their potential for humor and misinformation, highlighting past uses in films and the ethical concerns of spreading false narratives. It discusses the advancements in technology, making deepfakes increasingly realistic and difficult to detect, and the importance of critical thinking and media literacy to discern truth in the digital age.

Takeaways

  • 🎭 Deepfakes are advanced video and audio manipulations that can replace faces or put characters in unusual scenarios.
  • 🎬 Facial recognition technology has been used in major films like 'Star Wars Rogue One' and 'Fast and the Furious 7' for recreating characters.
  • 👤 Hao Li, a pioneer in the field, highlights the evolution of deepfake technology from complex processes to accessible tools for anyone.
  • 🤖 Artificial intelligence plays a crucial role in deepfakes by mapping faces using fed data, enabling face swapping and lip-syncing.
  • 📉 The ease of creating deepfakes has increased significantly, with the time to produce them reduced to weeks for just a few seconds of video.
  • 🌐 The accessibility of deepfake technology raises concerns about misinformation and harassment, impacting individuals and society.
  • 🗳️ Deepfakes pose a significant risk in political scenarios, potentially swaying elections by misrepresenting candidates' actions or words.
  • 🔊 New voice technology like Lyrebird can create voice imprints, further enhancing the realism of deepfakes.
  • 📈 The number of deepfake videos online has doubled in less than a year, indicating rapid growth and proliferation.
  • 🕵️‍♂️ Deeptrace, a cybersecurity company, uses deep learning to detect deepfake videos, emphasizing the need for advanced detection methods.
  • 🧐 Media literacy and critical thinking are essential for the public to discern the authenticity of videos and avoid falling for deepfakes.

Q & A

  • What is the primary application of deepfakes technology?

    -Deepfakes technology is primarily used for video and audio manipulation, such as swapping faces onto other bodies, creating humorous or unrealistic scenarios, and even bringing characters back to life in films.

  • How was facial recognition technology used in 'Star Wars Rogue One'?

    -In 'Star Wars Rogue One', facial recognition technology was used to make the actress playing Carrie Fisher appear the same age she was in the original film and to digitally recreate Peter Cushing as General Tarkin, despite his passing.

  • What role did Hao Li play in the production of 'Furious 7'?

    -Hao Li worked on 'Furious 7' to map Paul Walker's face onto his brothers' bodies after Walker's untimely death during the film's production, allowing the movie to be completed.

  • How has the process of creating deepfakes evolved from 2015 to the present?

    -The process of creating deepfakes has become significantly easier and faster, with the need for fewer reference photos and less specialized expertise, thanks to advancements in AI and deep learning.

  • What are some potential negative implications of deepfakes technology?

    -Deepfakes can be used to spread misinformation, harass individuals by making it seem like they've done or said something they haven't, and manipulate public opinion, which is particularly concerning in the context of politics and elections.

  • Can you provide an example of a deepfake video involving a political figure?

    -One well-known example is a deepfake video made by BuzzFeed featuring former US President Barack Obama. It demonstrated the potential for deepfakes to mislead the public and influence opinions.

  • What is the technology behind Lyrebird, and how does it work?

    -Lyrebird is a Canadian technology that creates an imprint of someone's voice. Users need to say a few scripted lines into the program, and it generates a complete copy of their voice, which can be used to make deepfake audio.

  • How is the advancement of deepfake technology changing the ease of creating such videos?

    -The advancement of deepfake technology is making it easier to create videos with higher quality and fewer reference materials. For instance, some deepfakes can now be made from just one photo or even a painting.

  • What is the role of media literacy in the context of deepfakes?

    -Media literacy is crucial for educating people to think critically about the content they consume, to assess the credibility of sources, and to use contextual information to discern the truth in an era where visual scrutiny alone may not be reliable.

  • What measures can be taken to protect against the misuse of deepfake technology?

    -Lawmakers and social media platforms need to establish regulations and mechanisms for misuse deterrence, better fact-checking, and flagging suspicious content to prevent the spread of deepfakes and protect individuals from defamation.

  • How did the situation in Gabon highlight the importance of critical thinking skills?

    -In Gabon, a video of the missing president was accused of being a deepfake, leading to an attempted coup and loss of life. An investigation later found no evidence of tampering, illustrating the need for critical thinking before sharing or acting on information.

Outlines

00:00

🎭 The Evolution and Accessibility of Deepfakes

Deepfakes represent a significant leap in video and audio manipulation, allowing for the realistic superimposition of one person's face onto another's. Initially used for entertainment or to create amusing scenarios, such as placing characters in unusual settings or integrating multiple instances of a single actor, the technology has also been employed in major films like 'Star Wars Rogue One' and 'Fast and the Furious 7' to address the challenges posed by the passing of actors or to recreate younger versions of characters. Hao Li, a pioneer in this field, discusses the advancements that have made deepfake creation more accessible, shifting from a multi-week process requiring a team of specialists to a task achievable by a single individual with AI assistance. The technology's capabilities extend beyond face swapping to include manipulating mouth movements for false speech synthesis. However, the potential misuse of deepfakes to spread misinformation and harass individuals is a growing concern, especially in political contexts where manipulated videos could sway public opinion and election outcomes, as exemplified by the deepfake of Barack Obama and other influential figures.

05:04

🌐 The Future and Detection of Deepfakes

The future of deepfake technology is poised for even greater ease of use and improved realism, with developments that enable deepfakes to be created from a single image or painting. Applications like the Chinese app Zao demonstrate the current trend of user-friendly deepfake generation, allowing users to insert themselves into movie scenes with minimal input. Real-time face mapping, a feature present in many popular phone apps, is also indicative of the technology's pervasiveness and potential for further sophistication. Hao Li predicts that the creation of virtually undetectable deepfakes is imminent, a sentiment echoed by Giorgio Patrini, whose cyber security company Deeptrace is dedicated to detecting such manipulated content. The challenge lies in the rapid evolution of deepfake technology, which is outpacing the ability to visually identify manipulated videos. Both experts agree that while technological solutions are being developed to analyze video content at a pixel level or through behavioral analysis, the onus is also on educating the public to think critically and use contextual information to discern truth from deception.

10:09

🛡️ Ethical Considerations and Countermeasures Against Deepfakes

The ethical implications of deepfake technology are profound, with the potential to defame and ruin reputations with relative ease. The responsibility to mitigate the misuse of deepfakes falls not only on the creators of the technology but also on lawmakers and social media platforms. Implementing regulations and enhancing fact-checking mechanisms are crucial steps in deterring the spread of deepfake content. Additionally, social media platforms should provide tools for users to flag suspicious content and analyze its dissemination patterns. The case of the Gabonese President highlights the importance of critical thinking, as the misidentification of a video as a deepfake led to violent repercussions. It underscores the necessity for individuals to process information thoughtfully before sharing it, and for platforms and authorities to promote media literacy and vigilance against the potential dangers of deepfake technology.

Mindmap

Keywords

💡Deepfakes

Deepfakes refer to a form of media manipulation where artificial intelligence is used to create realistic but fake images or videos of people, often by superimposing existing images or videos onto source images or videos of subjects. In the context of the video, deepfakes are portrayed as the next generation of video and audio manipulation, with examples given such as swapping faces and creating fictional scenarios involving real people.

💡Facial Recognition Technology

Facial recognition technology is a set of processes used to automatically identify or verify a person from a digital image or a video frame from a video source. The script mentions its use in major movies like 'Star Wars Rogue One' to recreate the appearance of deceased actors, highlighting its integration into the film industry.

💡Hao Li

Hao Li is identified as one of the leading pioneers in the field of deepfakes. The script discusses his work on 'Furious 7' and his ongoing research into cutting-edge technology related to deepfakes, emphasizing his role as a key figure in the advancement of this technology.

💡Artificial Intelligence (AI)

AI is the simulation of human intelligence in machines that are programmed to think like humans and mimic their actions. In the script, AI is crucial for the creation of deepfakes, as it processes large amounts of data to map faces and manipulate audiovisual content.

💡Misinformation

Misinformation refers to false or inaccurate information that is spread unintentionally. The video script discusses the darker side of deepfakes, where they can be used to spread misinformation by creating convincing but false scenarios that can mislead the public.

💡BuzzFeed

BuzzFeed is an American news and entertainment company that is mentioned in the script for creating a well-known deepfake video of former US President Barack Obama. This example illustrates the potential impact of deepfakes on public figures and perception.

💡Lyrebird

Lyrebird is a technology that creates an imprint of someone's voice using a few scripted lines. The script describes how this technology can be used to generate a complete copy of a person's voice, which can then be used to create deepfakes with realistic audio.

💡Media Literacy

Media literacy is the ability to access, analyze, evaluate, and create media in a variety of forms. The script emphasizes the importance of media literacy in the context of deepfakes, as it equips people with the skills to critically assess the content they consume and辨别 its authenticity.

💡Deeptrace

Deeptrace is a cybersecurity company mentioned in the script that specializes in detecting deepfake videos. The company uses deep learning technology to analyze videos and determine if they have been manipulated or synthesized by algorithms.

💡Giorgio Patrini

Giorgio Patrini is the spearheader of a study mentioned in the script that found the total number of deepfake videos on the internet had doubled in a short period. He is associated with Deeptrace and discusses the challenges and solutions related to detecting deepfakes.

💡Zao

Zao is a Chinese app highlighted in the script that allows users to put themselves into movies using just one photo. It exemplifies the accessibility of deepfake technology to the general public and the increasing ease with which such content can be created.

💡Real-time Face Mapping

Real-time face mapping is a technology that allows for the immediate application of one person's facial features onto another in a video or image. The script mentions its prevalence in popular phone apps and its potential for creating convincing deepfakes.

💡Vladmir Putin

Vladmir Putin, the Russian President, is mentioned in the script in relation to real-time face mapping technology developed by Hao Li. This example demonstrates the advanced capabilities of current deepfake technology in creating realistic and timely manipulated images.

Highlights

Deepfakes represent the next generation of video and audio manipulation, capable of realistic face swapping and creating humorous or absurd scenarios.

Facial recognition technology has been utilized in major films like Star Wars Rogue One and Fast and Furious 7 for character resurrection and age manipulation.

Hao Li, a pioneer in the field, discusses the evolution of deepfake technology from complex processes to accessible tools for creating realistic graphics within weeks.

The ease of creating deepfakes today is attributed to advancements in artificial intelligence that automate the face mapping process.

Deepfakes are not limited to face swapping but also include manipulating mouth movements to fabricate speech.

The misuse of deepfakes poses a significant risk in spreading misinformation and harassment, with potential impacts on public opinion and elections.

BuzzFeed's deepfake of Barack Obama and other instances demonstrate the technology's potential to deceive and influence public figures.

Lyrebird technology enables the creation of a voice imprint from a few scripted lines, blurring the line between human and synthetic speech.

The future of deepfakes is predicted to involve even more realistic and easier-to-create videos, with Hao Li estimating virtually undetectable deepfakes to be within a year.

The rapid increase in deepfake videos on the internet, doubling between December 2018 and July 2019, indicates the technology's widespread adoption.

Deeptrace, a cybersecurity company, specializes in detecting deepfake videos using deep learning to analyze potential manipulations.

Giorgio Patrini highlights the importance of media literacy and critical thinking in discerning the authenticity of videos, beyond just visual inspection.

Both Hao Li and Giorgio Patrini agree that current deepfakes are already convincing enough to fool many people, emphasizing the need for contextual analysis.

The challenge of spotting deepfakes is evolving as technology fixes visual cues like blinking and skin tone inconsistencies.

Patrini and Li are developing complex tech solutions for deepfake detection, including pixel scanning and analyzing speech patterns.

Hao Li suggests that individuals cannot protect themselves from becoming deepfake victims and calls for legislative and social media platform action to deter misuse.

The incident in Gabon demonstrates the importance of critical thinking, as a video thought to be a deepfake led to unrest and violence, despite being authentic.

Transcripts

play00:09

Deepfakes are the next generation of video & audio manipulation

play00:13

and often they look like this

play00:15

swapping someone's face

play00:16

on to someone else's

play00:20

sometimes they're made to look accurate

play00:21

other times it's just for laughs

play00:29

It's also used to put characters in pretty ridiculous situations

play00:32

like the Joker as a medieval knight

play00:34

or putting Nicolas Cage in every role

play00:43

This kind of facial recognition technology has been around for a long time

play00:46

it's even been used in major movies

play00:48

like Star Wars Rogue One

play00:49

which is a prequel to a film that came out almost

play00:51

40 years before

play00:56

it they used it to make the actress playing Carrie Fisher look

play00:58

the same age she was

play01:00

and to bring Peter Cushing

play01:01

who is the actor that played General Tarkin

play01:03

back from the dead

play01:04

it's also been used in the Fast and the Furious series

play01:07

when Paul Walker died during the production of Furious 7

play01:10

they mapped his face onto his brothers' bodies

play01:12

so that they were able to complete the film

play01:15

one of the people who worked on that film is Hao Li

play01:18

he's one of the leading pioneers in the field

play01:20

and is currently working on some

play01:21

cutting-edge tech right now

play01:23

when I sat down to chat with him

play01:25

he talked about how making those graphics for Furious 7

play01:27

in 2015 was very very different to

play01:30

how easy it is to make deepfakes today thanks today

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so it's about a couple of weeks for a few seconds

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and that's usually just the animation

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the amount of people that have to be involved

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because everyone is an expert in one specific department

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and the crazy thing about deepfakes

play01:45

is that you just need that one person

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deepfake tech has advanced so much it's accessible to pretty much everyone

play02:03

so, how does this amazing technology work

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part of the reason why pretty much anyone can make one

play02:08

is that most of the heavy lifting is done by artificial intelligence

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when it comes to face swapping

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you feed the AI data

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in this case, a photo

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or lots and lots of photos of your subject

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the AI then uses that info to map the face onto another one

play02:25

deep fakes aren't just face swapping

play02:27

they can also include things like manipulating someone's mouth to make it

play02:31

seem like they're saying something they never did

play02:33

while a lot of these videos

play02:35

are cool and some are straight-up hilarious

play02:41

there is a darker side to deep fakes

play02:43

they can be used to spread misinformation and harass people

play02:46

by making it seem like they've done or said something they never did

play02:50

or never would

play02:52

in the age of fake news this is a really big problem

play02:54

and something a lot of people are really worried about right now

play02:56

because it could be used to mislead the public

play02:59

especially when it's applied to somebody in a position of power

play03:01

like a politician

play03:11

Imagine just a few weeks before a major election

play03:14

a deepfake video comes out with one of the candidates

play03:16

and it turns people's opinions against them and they end up losing the election

play03:20

one of the most well-known politician deepfakes

play03:23

was this video made by BuzzFeed about former US President Barack Obama

play03:38

it's not the only one either

play03:40

lots of videos have already been made of world leaders and influential people

play03:43

like Facebook CEO Mark Zuckerberg

play03:53

recently an Italian comedy show made a deep fake of their former PM Matteo Renzi

play03:58

insulting other pollies

play04:05

it was pretty clearly intended as a joke but a lot of people were fooled

play04:09

and I imagine very confused

play04:11

you might have noticed that videos like this one

play04:13

and the Obama one use impersonators to make the subject say something that they never would

play04:17

often that actually helps make it easier to spot a fake

play04:20

because you can usually tell when someone's faking someone's voice

play04:28

but that's changing

play04:30

thanks to new technology like Lyrebird

play04:32

it's a technology from Canada

play04:34

that creates an imprint of someone's voice

play04:40

all you need to do is say a couple of scripted lines into the program

play04:44

and then it creates a complete copy of your voice

play05:04

one journalist from Bloomberg got a chance to make an imprint of his voice and try out the tech

play05:09

he ended up calling his mum

play05:10

and his mom had no idea she was talking to a robot

play05:37

all of this can seem pretty terrifying

play05:39

so what does the future hold for deepfakes?

play05:41

deepfake technology is constantly improving

play05:44

making it much easier for people to make them

play05:46

while that earlier video of Tom Cruise

play05:48

took lots and lots of reference photos to make

play05:51

we're now seeing deep fakes made from just one photo

play05:54

or in this case one painting

play05:56

and again it's not just these really tech-y researchers that are able to make these

play06:01

you've got the Chinese app Zao which is really blowing up right now

play06:04

and that gives users the chance to put themselves into movies

play06:07

using just one photo of themselves

play06:10

plus real-time face mapping is pretty much everywhere these days

play06:13

in fact you've probably already seen a version of it on popular phone apps

play06:16

this is me as the Joker

play06:19

this is me as some old bloke with a beard

play06:23

this is me as some weird Halloween-scary thing

play06:26

and this is me as Donald Trump

play06:30

you can see the technology isn't quite there yet

play06:32

but it's getting better

play06:34

and it's only going to get better

play06:36

and this is me with a cone on my head

play06:38

it's pretty good

play06:40

Hao Li is actually working on that kind of tech right now

play06:43

recently he was responsible for this real-time face mapping of Russian President Vladmir Putin

play06:52

Li reckons virtually undetectable deepfakes are just around the corner

play06:57

I mean intuitively my answer is

play06:59

you know we're between six months and twelve months

play07:01

based on the

play07:04

it's just intuition right

play07:05

based on what I've seen

play07:07

the evolution so far

play07:08

you know in the end we're all we're watching is pixels

play07:11

and there should be a way to get pixels that are literally perfect

play07:17

and I don't think it's gonna take that long

play07:19

he says that not only is the video

play07:21

quality getting a lot better

play07:23

they're also becoming a lot easier to make

play07:26

a recent study found the total number of deepfake vids on the internet

play07:30

had practically doubled in just nine months between December 2018 and July 2019

play07:36

that study was spearheaded by this guy Giorgio Patrini

play07:40

I had a chat to him

play07:41

about his cyber security company Deeptrace

play07:44

which specialises in detecting deepfake videos

play07:47

essentially we use the same type of technology

play07:50

deep learning to understand the videos and in particular

play07:55

to ascertain if they might be manipulated or completely fully synthesised by algorithm by generative models

play08:02

There's one thing that both Li & Petrini agree

play08:04

while virtually undetectable deepfakes aren't here just yet

play08:07

it doesn't really matter

play08:09

because people are already being fooled by them right now

play08:11

just think of that Italian Prime Minister

play08:14

so, are there certain things that people should look out for when trying to spot a fake

play08:18

well not exactly

play08:20

so in the long run it may be dangerous to just look at the content itself

play08:25

in search for visual clues

play08:27

because I think everybody I would agree

play08:30

that we are very close to the time when videos are going to be convincing

play08:36

you know fake vids are going to be convincing enough for fooling most people

play08:41

the problem is telling people to look for things like changing skin tone

play08:44

weird blurring

play08:46

or unnatural shadows

play08:47

might work right now

play08:49

but those problems are eventually going to get fixed

play08:51

for example in the early days of deepfakes

play08:54

none of them ever blinked

play08:55

but now they do

play08:57

both Patrini and Li are

play08:59

working on pretty complex tech solutions

play09:01

like scanning individual pixels in a video for clues

play09:05

or analyzing the unique way people move when they talk

play09:08

but when it comes to regular people like your or I

play09:11

Patrini and Li say it's not as simple as looking at what you're seeing

play09:15

we need to educate people and make them think critically

play09:19

which is why media literacy is so important

play09:21

is that something believable that happened in the video

play09:24

is that in line with what this person has said before

play09:27

what is the reliability of the source where was this video published

play09:31

has any major newspaper mentioned the video

play09:36

search if they already did an investigation around it

play09:39

if we are not equipped as humans

play09:42

and we probably will not be any more in in a near future

play09:45

to understand just visually

play09:47

to trust with visual scrutiny

play09:49

we can still leverage a lot of contextual information

play09:52

to help us to sort out the truth I think

play09:55

finally, how do you protect yourself from being turned into a deepfake

play09:58

Li says there's not a lot you can do

play10:00

instead he reckons lawmakers and social media platforms

play10:03

need to step up and do their bit to deter people and make it harder for these kinds of videos to spread

play10:08

basically work with lawmakers

play10:10

and add in place regulations for the misuse of this technology

play10:16

you can ruin someone

play10:18

you can defame someone

play10:19

you can ruin someone's reputation very easily

play10:21

so on social media platforms there has to be mechanisms where people can do better fact-checking

play10:29

you can flag something if there's something weird

play10:31

they can even analyse how things are spreading

play10:34

one quick thing before I go

play10:35

Patrini said it's also really important to use those critical thinking skills

play10:39

in situations where a video turns out not to be a deepfake

play10:42

for example

play10:43

Deeptrace was involved in an investigation earlier this year in the African nation of Gabon

play10:47

long story short the president went missing for a few months

play10:50

and people were demanding proof that he was alive and healthy

play10:53

otherwise they were going to demand an election

play10:55

when the President did finally reappear

play10:57

it was in a short video that some people thought looked a bit odd

play11:00

and it was actually accused of being a deepfake

play11:02

the military attempted a coup which was unsuccessful

play11:06

but people died

play11:07

and an investigation later found no significant evidence of tampering or deepfakes in the video

play11:13

it's an important lesson to always use those critical thinking skills when you're presented with a bit of information

play11:18

and to make sure you actually look at it and process it

play11:20

before mindlessly sharing it on

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相关标签
DeepfakesAI TechnologyMedia ManipulationFacial RecognitionStar WarsFast and FuriousHao LiFake NewsMisinformationVoice ImprintReal-time Mapping
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