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Robot To Mimic Human Faces
In the pursuit to create a more 'life-like' robot, researchers have created a realistic robot head that can mimic human facial expressions, thus making communication more human-like.
Robotics
engineers
at
the
University
of
Bristol,
UK,
actually
made
a
copycat
robotic
head,
called
Jules,
which
can
mimic
the
facial
expressions
and
lip
movements
of
a
human
being.
Jules
is
an
animatronic
head
produced
by
US
roboticist
David
Hanson,
New
Scientist
reports.
Hanson builds uniquely expressive, disembodied heads with flexible rubber skin that is moved by 34 servo motors. A video camera picks human face movements, and then maps them onto the tiny electronic motors in Jules'skin.
The researchers developed their own software to transfer expressions recorded by the video camera into commands so that the servos produce similarly realistic facial movements. But, as the robot's motors are not similar to human facial muscles, the researchers filmed an actor making a variety of expressions indicating, say, "happiness."
Then, an expert animator selected 10 frames showing different variations of the expression and manually set the servos in Jules's face to match. Later, the researchers created software that can translate what it sees on video into equivalent settings of Jules's facial motors. Now, the robot can do this in real time, at 25 frames per second.
This
the
first
copycat
robot
heads
with
realistic
human-looking
faces.
As
human
communication
is
very
much
dependent
on
facial
expressions,
robots
that
can
mimic
them
well
can
find
much
wider
application.
He
has
speculated
that
this
would
make
them
useful
in
healthcare
settings,
such
as
nursing
homes.
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