Telstra has revealed the addition of almost one million new mobile services in the six months to December 2011, but Sensis revenues plummeted 24 percent in 12 months.
An onboard computer-based system from Siemens which automatically recognises speed limits on traffic signs aims to help motorists to avoid speeding tickets.
The system works with a camera in the car that
scans the scene in front of the car for traffic signs and forwards the
information to an onboard computer. With the help of the cruise
control, the system then keeps the car within the speed limit.
Part of a comprehensive network of driver assistance systems called
pro-pilot being developed by the automotive supplier Siemens VDO, the
traffic sign recognition system is scheduled to go into series
production in about two years.
Experts from Siemens have installed the system in a luxury class car,
along with a host of additional assistance devices, including a lane
recognition system, a night vision system and a parking guidance
system. According to Siemens, several auto-makers have already tried
out the test vehicle and expressed strong interest in the recognition
system.
The system uses a CMOS camera installed near the rear-view mirror to
continuously scan the road for traffic signs. The images are then
compared with patterns of speed limit signs stored in the system’s
memory. If the software discovers a speed limit, the system notifies
the driver of this fact by showing the value in the speedometer or in a
head-up display. If the cruise control is switched on, the car
automatically decelerates to stay within the speed limit.
The system also uses data supplied by a navigation system to determine
if the vehicle is being driven on a highway or in a town or city.
And because the navigation system also contains information on special
traffic signs - including those that impose speed limits only at
certain times - the recognition system can also react to such
situations. The traffic sign recognition system so far is designed for
use in new vehicles; its many components and complicated networking
today makes retrofitting too expensive.
David Bass
| For the fourth year in a row, IDC has placed content security provider Websense (NASDAQ: WBSN) at the top of the IDC Worldwide Web Security 2011 –…
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