Not literally, just the reflection of the rain and snowflakes.......
The researchers, from Carnegie Mellon University, have developed a
system that can detect the distinctive streaks left by raindrops and
snowflakes, and remove them by changing the way the headlights
illuminate the path ahead of the vehicle.
To do that, their system uses a digital projector to illuminate the
raindrops for a couple of milliseconds, then works out what their likely
path is within the drivers field
of view. Armed with that information, it's possible to selectively
switch off beams of light from the headlights that would illuminate the
drops as they fall—achievable when you have a matrix of lights which can
be switched on and off rapidly to steer beams.
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