Smart parking has been implemented on a large scale, and the accuracy of license plate recognition has become the core of the traffic experience
With the popularity of sensorless payment and parking space guidance, the stability of entrance and exit license plate recognition directly affects traffic efficiency, and recognition rate, anti-smashing and exception handling have become the focus of selection.
Factors affecting recognition rate
- The license plate is stained, reflective, and tilted;
- Direct light exposure and headlight glare at night;
- Trailers with multiple license plates and temporary license plates;
- Motion blur caused by driving too fast.
Improvement plan
- Adopt Special camera for license plate (large target + anti-glare lens) and stroboscopic fill light;
- Control the capture distance and angle, it is recommended to be 4-6 meters and the angle of depression is 20°-30°;
- Cooperate with radar/ground sensor triggering to reduce missed shots;
- Manual confirmation and code scanning process for unlicensed vehicle designs.
Safety and experience
Barrier gates need to be equipped with anti-smash radar + ground sensing + pressure wave multiple protections; At the same time, one-click release of abnormal lanes and remote assistance intercom are provided to avoid queuing.
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