Patent ID: 7471189

Claim:
A method for checking vehicles in a car park, comprising: identifying a vehicle by recording images and analysis of the vehicle at an entrance control and at an exit control, storing the analysis results from the entrance control, comparing the analysis results from the exit control with the stored analysis results from the entrance control, and preventing or allowing the vehicle to leave, wherein at the exit control, the vehicle is driven forward to a front exit barrier, and a rear exit barrier is set up behind the vehicle, the analysis results includes: identifying, in at least one of the images taken at the entrance control and at least one of the images taken at the exit control, a position of at least one reflector device on the vehicle, identifying a position and orientation of at least one light arrangement on the vehicle via the analysis of the image recording, determining a type of vehicle on a basis of information stored in a database relating to the position and orientation of at least one light arrangement on different types of vehicles and the identification of the position and orientation of the light arrangement, and identifying a position and orientation of a registration plate of the vehicle in relation to the identified position of the at least one light arrangement via the image analysis of the image in order to thereby obtain a unique identification of the vehicle, the comparing includes comparing the position of the at least one reflector device from the exit control with the stored analysis results from the entrance control, and removing the front exit barrier only when the vehicle is to be allowed to leave, so that other vehicles are prevented from driving through the exit control at the same time as the vehicle.