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Many times you pass the roadsign before you can
completely read /grasp what is on it. Today's digital
cameras have face recognition, smile recognition on it,
which means with a bit of modification, it should be
possible to detect and store most roadsigns.
With this, you could have cameras on
either side of the
car/truck with enhanced motion compensation image
stabilizers[^1] with built in roadsign detectors. These
can be connected to a car computer/ in-car entertainment
system/ laptop/ whatever which can store and retrieve
these images on-demand.
Having a cache of last 10 or 20 signs might be usefull.
You can have country/standard specific roadsign software
that can detect and read out most signs, also warn
loudly about dangerous things like "landfall ahead"
Number plates might pose a problem as they look like
signs too. But probably there are workarounds, like
detecting at what height it is.
[^1] the ccd is moved to comensate for the motion, to
reduce motion blur. Image stabilizers are already in
most of recent cameras, even in cheaper soapbox cameras.
For our idea, we just need to enhance it to shoot
passing signs. I hope it also handles the custard filled
Update : Infra Red capability in the camera _might_ mean
that the roadsigns will be visible and recorded even at
RFID road signs
[phoenix, Nov 21 2008]
||That'd be even more helpful on city streets when negotiating unfamilar areas - you could ask it what the last cross-street had been. (Assuming that, like me, you're a luddite who refuses to carry a GPS.) [+]
||as you browse through missed signs, won't you miss the current and more pertinent signs, hence won't there be a never-ending need to browse through the signs??
||[samosa_pirate]: //won't you miss the current and more pertinent signs,//
||When you realize you missed one or two roadsigns, you pull over and check them. Without the automatic camera, this would not be possible. You would have to back-up or get down from the car and walk back to the board.
||The speed limit was just an example. The sign could have been anything.
||Advantage over RFID road signs and GPS: how many places have been covered with these till now ?
||How long would it take for some techie to hack the device to
take a picture of every babe that's walking past or riding in
the convertible next to you. Hey I'll give you a bun if it can
shoot her buns.
||[theGem], I hope that would happen. That would teach people to start dressing decently.