Tech Briefs Magazine - October 2021 - 31
Artificial Intelligence Creates Sharp Images from Blurry Photos
This AI turns even the blurriest photo into realistic computer-generated faces in HD.
Duke University, Durham, North Carolina
esearchers have developed an AI tool
that can turn blurry, unrecognizable
pictures of people's faces into eerily convincing
computer-generated portraits, in
finer detail than ever before. Previous
methods can scale an image of a face up
to eight times its original resolution. The
new system, called PULSE, takes a handful
of pixels and creates realistic-looking
faces with up to 64 times the resolution,
" imagining " features such as fine lines,
eyelashes, and stubble that weren't there
in the first place.
R
downscale
PULSE
The system cannot be used to identify
people; it won't turn an out-of-focus,
unrecognizable photo from a security
camera into a crystal-clear image of a
real person. Rather, it is capable of generating
new faces that don't exist but
look plausibly real.
While the researchers focused on
faces as a proof of concept, the same
technique could in theory take low-res
shots of almost anything and create
From a single blurred image, PULSE can generate uncannily lifelike portraits, which might differ
subtly from the real person but are much sharper than previous methods.
sharp, realistic looking pictures, with
applications ranging from medicine
and microscopy to astronomy and satellite
imagery.
Traditional approaches take a low-resolution
image and guess what extra pixels
are needed by trying to get them to
match, on average, with corresponding
pixels in high-resolution images the
computer has seen before. As a result of
this averaging, textured areas in hair
and skin that might not line up perfectly
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Tech Briefs Magazine - October 2021
Table of Contents for the Digital Edition of Tech Briefs Magazine - October 2021
Tech Briefs Magazine - October 2021 - Intro
Tech Briefs Magazine - October 2021 - Sponsor
Tech Briefs Magazine - October 2021 - Cov1
Tech Briefs Magazine - October 2021 - Cov2
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