The entrance of the community uses a license plate to enter and exit, and it is impossible to identify who to appeal to.

1, quality problem, low recognition rate.

2. If the license plate is recognized, the signal output of the control door is interrupted and the wiring is checked.

3, can not guarantee to get the correct picture, the angle is not appropriate, the license plate light is not appropriate, and the license plate picture is not clear enough.

4. Due to the diversity of the collected license plate images and the influence of many factors, such as rain, fog, light, etc. The image quality of some license plates is different in different degrees; Generally speaking, the background of the collected image is very complex, and the position of the license plate in the image is often not fixed, and the size of the license plate is also different, which affects the recognition rate of the license plate.