| Camera specifications | - the minimum video resolution of 640x480, the recommended resolution of 720p or 1080p;
- the minimum frame rate of 15 fps, the recommended frame rate of 25-30 fps;
- autofocus and zoom features are advisable to enable small changes after recognizer’s configuration;
- automatic white-balance / automatic gain control;
- high-contrast IR for night mode;
- HDR / WDR.
|
| Video image | - the video image must be clear and contrast, without aberration;
- the size of the license plate must be 10-70% of the total frame size;
- there should be one single or two-row of symbols on a license plate.
|
| Camera positioning | - the camera is to be 0,6-2,4 meters above the ground;
- the angle between the license plate bottom border and the horizon line should be of 0 to 20 degrees.
|
| Vehicle speed | - slow to moderate (8-40 kmph).
|
