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1. Minimum resolution is at least 640х360 pixels.
2. Frame rate is no less than 2 FPS. Recommended frame rate to detect individuals is 6 FPS, to detect vehicles 12 FPS.
3. Objects must be visually separated from the background as well as from each other.
4. Camera is mounted in no less than 3 meters above the ground, or on the ceiling, or pointed strictly downwards (for counting visitors with a line crossing detection tool).
5. An object (its bounding rectangle) must occupy no less than 3% of the FOVThe object minimum width and height should be not less than 5% of the width/height of the frame.

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