It is no secret that the novice drivers seems complicated at the same time to control car, follow the markings and even have time to notice the signs. Nevertheless, even an experienced driver can miss important road sign. The reasons are: distracted, tired, and so on. Hedge in these situations is intended to traffic sign recognition system.
The camera “looks” not only for the parties, but also up, in those places where road signs are usually posted. Long-range systems is constantly increasing. Now electronics can recognize traffic signs at a distance of about 100 meters.
In most cases, the systems correctly recognize the signs, but rely solely on them is early. Despite the thousands of hours of factory tests, the system can also be wrong. Influence can be by high speed, bad weather conditions (snow, rain) and even “wagon” standing on the sidelines.