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3. The depression angle of the camera shall be less than or equal to 15°.
4. The object distance depends on the focal-length of the lens mounted in the camera.
5. To ensure the accuracy of face detection, the requirements for face capture are: left or
right turn angle is less than about 30°; pitching angle is less than 20°.
6. The following scenes are not applicable, like crowded scenes (airport, railway station,
square, etc), backlight scenes, crossroads and so on.
4.5.11 Heat Map
Heat Map is to display the flow distribution of people/vehicles in pre-defined areas by different
colors.
1. Enable Heat Map, set snapshot type and detection target type as needed.
2. Set heat map display area. Up to 4 areas can be set.
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