two key points of license plate recognition system < / a > Quality

　　1. License plate recognition rate

In order to test the recognition rate of the license plate recognition system, when detecting the license plate recognition system, install it in the actual application environment, always work for more than 24 hours, collect at least 1000 information samples of natural traffic flow for license plate recognition, and store the recognition results and license plate images to obtain the view. Compare the correct vehicle information manually identified

　　2. License plate recognition speed

The speed of license plate recognition determines that the license plate recognition system can meet the real-time requirements of practical applications. License plate recognition system is mainly responsible for reducing road traffic time, and speed is a powerful guarantee to reduce traffic time and avoid lane traffic congestion in this application