ADAS & Autonomous Vehicle Engineering - April 2023 - 13

Sensors
And the ability to handle that data
in real time with signal processing -
and not AI - is a big advantage, Upton
said. " Even though there's quite a lot
of hype around AI neural networks,
right now, actually, signal processing
is known. It's predictable. And it's very,
very fast. We think for safety critical
applications like this, that need to be
real time, a signal processing approach
is quite critical. "
Hammerhead itself is a software
solution that can work with off-theshelf
cameras and GPUs such as Nvidia,
Snapdragon and others. The software,
while significantly more advanced,
The
This 3-D printed radar antenna is from Lunewave.
Since each receptor's angle is already
known, it reduces demands on the processor.
the like. The higher frequency radar is
really interesting because the discrimination
is much better. This looks great. "
Software-driven stereo vision
Leif Jiang, CEO of Somerville, Mass.based
Nodar, said that binocular
vision systems, such as the company's
Hammerhead (named after the shark's
widely-spaced eyes) could be a solution
for automotive and commercial applications.
Nodar is an acronym for " native
optical distance and ranging. "
A first comparison Jiang hears a lot
about is to Subaru's EyeSight safety system,
comprising two cameras mounted near
each other in the center of the windshield.
" This is not ... two cameras close together, "
he explained. " We can take these things,
get rid of the heavy bar, throw it out, put
these cameras on (real estate) the car gives
you for free (such as side-view mirrors)
and get this amazing wide baseline to
really precisely triangulate the position
of everything around you. "
Brad Upton, Nodar's COO, said that
a the width of a roofline, Hammerhead
" can see up to a kilometer with fantastic
precision. " What precision? Nodar says
its software can deliver a point cloud (a
dataset of spatial coordinates) up to 5
million pixels per frame, or at least five
times greater than most lidar. And it can
identify a 4-inch (10-cm) brick at about
500 feet (152m).
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April 2023 13
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2/27/23 5:03 PM
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ADAS & Autonomous Vehicle Engineering - April 2023

Table of Contents for the Digital Edition of ADAS & Autonomous Vehicle Engineering - April 2023