Sistema de detección para regiones bidimensionales para la detección de vehículos con GPS

摘要

The invention relates to a detection system (60) and a method for detecting vehicles (48) with a digital satellite navigation system (50) using surface areas (10) such as cities or town districts. A surface area (10) is stored in a computer and surrounded by a polyline (12). The vehicle is detected as soon as the coordinates supplied by the satellite navigation system (50) reach the polyline (14).