NEC Technology Knows Where You Are Looking
– Real-time detection of a person’s line-of-sight –
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TOKYO,
Dec 16, 2016 – (JCN Newswire) – NEC Corporation (TSE: 6701) today
announced the development of a “remote gaze detection technology” that
enables real-time detection of the direction an individual is looking,
even when using existing cameras from remote locations.
Conventional
technologies estimate an individual’s line-of-sight using specialized
devices equipped with infrared lights and advanced cameras that detect
light as it is reflected from an individual’s eye.
This new
technology, developed as part of NEC’s cutting-edge portfolio of
artificial intelligence (AI) technologies, NEC the WISE(1), uses face
feature point detection technology, the core of NEC’s world leading face
recognition technology(2), to accurately identify characteristics in
and around the eye, such as the pupil and the corners of the eye, from
images taken with common cameras, including web, surveillance, tablet
and smartphone cameras, without the need for specialized equipment.
These images and technology enable highly accurate detection of an
individual’s line-of-sight, with a measurement error of less than 5
degrees from the left, right, top and bottom.
Moreover, this
remote gaze detection technology’s advanced response to low resolution
images and changes in brightness enable it to detect an individual’s
line-of-sight, even when they are separated from the camera by 10
meters, making it well suited for automatically detecting products that
draw the attention of shoppers at retail stores.
Furthermore,
the high speed computations of its “feature value extraction technology”
enable it to simultaneously detect the line-of-sight of multiple
individuals, without compromising the accuracy of its results. As a
result, even when multiple persons appear in a camera, it is possible to
simultaneously detect the line-of-sight of each individual.
“Based
on this technology, NEC can evaluate the line-of-sight of pedestrians
and help to optimize the placement of important announcements on public
streets,” said Akio Yamada, general manager, Data Science Research
Laboratories, NEC Corporation. “Moreover, the technology can contribute
to the safety and security of our communities by helping to monitor the
behavior of suspicious individuals. This is in addition its business
potential, where the technology can help retailers learn more about
which products are attracting the most attention from visiting
customers.”
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