GRAND Magazine - November/December 2019 - 15

tech talk

Cool, but scary... deepfakes are here!
BY DEANNA SHOSS

N

ancy Pelosi drunkenly slurred her words in a public address. Facebook's
Mark Zuckerberg gleefully asserted that whoever has the data will rule the
world. Carrie Fisher finished her role as Princess Leia in
Rogue One: A Star Wars Story...after she died. These are
all examples of deepfake videos.
Deepfake videos, created by artificial intelligence (AI), make people appear to say or do
something they in fact did not do. On the
good side, if an actor flubs their lines,
the film company could use deepfake technology to fix it. On the bad
side, someone with nefarious intentions could map one person's face
onto another's to create porn, as
was the case with actress Scarlett
Johansson.

" "
The word deepfake
is a blending of "deep
learning" and "fake."

Deepfake audio replicates someone's voice. This
is amazing for someone who has lost their voice from
cancer, for example. However, a company in the UK lost the
equivalent of $220,000 when "the boss" called and demanded a transfer of
money. And that's not the only instance of criminal uses of deepfakes.
15 GRAND

Nov-Dec 2019

What is it, and what's the big deal now?
The world deepfake is a blending of "deep learning" and "fake." Deep learning
is a subset of machine learning, which uses algorithms to detect
and predict patterns. Deep learning learns from vast
amounts of unstructured data that could normally
take humans decades to understand and process (Investopedia).
The technology was expensive and
exclusive a few years ago. However,
the concern now is growing ease
of access with things like the free,
downloadable FakeApp that gives
deepfakes code scripts a userfriendly front end.
What that means in practical
terms is that anyone with a computer that has a good graphics card
and a lot of memory could feed 400
pictures of someone, gleaned from
video, social media and photographs,
into the app. The app creates a virtual
model of that person's face and all their mannerisms that is then mapped onto someone else's
head in full motion video. Likewise, deepfake audio can
be created by gathering samples of someone's voice. In the
case of CEO's, it might come from earnings reports, YouTube Videos, news
interviews or other recordings.
Continued on next page


https://www.facebook.com/GRANDmagazine/ https://www.twitter.com/grandMmagazine https://www.youtu.be/sDOo5nDJwgA https://www.youtu.be/sDOo5nDJwgA https://www.cnet.com/news/deepfake-video-of-facebook-ceo-mark-zuckerberg-posted-on-instagram/ https://www.nextbigfuture.com/2019/09/deep-fake-blended-princess-leia-from-a-new-hope-into-rogue-one.html https://www.investopedia.com/terms/d/deep-learning.asp https://www.fastcompany.com/90162494/the-war-on-whats-real https://www.fastcompany.com/90162494/the-war-on-whats-real https://www.fastcompany.com/90162494/the-war-on-whats-real https://www.indiewire.com/2019/01/scarlett-johansson-deepfakes-face-porn-videos-1202031678/ https://www.indiewire.com/2019/01/scarlett-johansson-deepfakes-face-porn-videos-1202031678/ https://www.theverge.com/2019/9/5/20851248/deepfakes-ai-fake-audio-phone-calls-thieves-trick-companies-stealing-money https://www.theverge.com/2019/9/5/20851248/deepfakes-ai-fake-audio-phone-calls-thieves-trick-companies-stealing-money https://www.fastcompany.com/90379001/criminals-are-using-deepfakes-to-impersonate-ceos

GRAND Magazine - November/December 2019

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