Automotive Engineering - August 2024 - 7

TECHNOLOGY REPORT
either 180- or 120-degree fields of view.
The cameras are used as five stereo
pairs that together create a 360-degree
field of view around the car: two pairs
that use the front-facing camera and
one from each side mirror, one pair on
each side using a camera in the B-pillar
and the corresponding side mirror, and
the last pair in the back that uses a
camera on the rear roof along with the
lower-mounted back-up camera.
" You don't need to have horizontal
cameras; you don't even need to have
them in the same plane, " Jiang said.
" You could have these sort of arbitrarily
mounted, and those five zones are put
together to generate this particular
point cloud, showing a nice reconstruction
of the asphalt with the lane lines
and the cars around it. And it goes out
to about 12 meters (39 ft) of range. "
Current ultrasound sensors used with
park assist systems are typically limited
to 2 to 4 meters (6.5-13 ft), he said.
When aggregating data from cameras
running at 25 frames per second,
the result is an aggregated point cloud
that shows where the car can park.
Jiang said the system has submillimeter
accuracy within 4 meters and " millimeter-ish "
accuracy out to 12 meters.
" With this kind of resolution, this kind
of density, it's a super easy problem, "
Jiang said. " I can see very clearly where
everything is, and I know what's standing
above the ground. This, hopefully,
will make it very easy for the path planner
to decide where to park. "
Nodar's untethered camera solution
would work with Level 2 park assist systems
that rely on a human driver paying
attention and could be used with Level
3 and above automation when paired
with redundant sensor packages, like
camera-plus-radar or camera-plus-ultrasound
or something else.
Nodar, which stands for " native optical
20240708 Magnequench SAE Ad Half Page FA - outlined.pdf 1 8/7/24 3:30 PM
distance and ranging, " was founded in
Nodar CEO Leaf
Jiang speaks at
AutoSens USA
2024 about
using untethered
cameras as
stereo pairs to
make park assist
systems cheaper
and better.
2018. The company has raised $14.5 million
from groups like New Enterprise
Associates and Rapsody Venture Partners.
At AutoSens USA, Jiang said the company
will soon open an office in Germany.
Using untethered cameras to define
park assist capabilities would also
eliminate another complaint people
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