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For Forensic Search of recorded video to be possible, video When you use Search in archive, the video parameters must meet the same requirements as those applied to video for detection tools (see Video requirements for scene analytics detection tools).

In addition, there is a dependence of the minimum and maximum detectable allowable speed of object speeds movement in the video are related to image on the camera 's frame rate.:

1. The maximum detectable speed depends on the size of the an object. The following table shows the relationship between dependence of the maximum detectable allowable speed and on the frame rate for typical objects (people —human and cars)car:

   Frame rate

   Maximum

   detectable speed for people

   allowable speed of a human

   Maximum

   detectable speed for cars

   allowable speed of a car

   6

   fps

   FPS	5 km/hr	40 km/hr
   12

   fps

   FPS	10 km/hr	85 km/hr
   25

   fps

   FPS

   20 km/hr

   170 km/hr

   So if it is necessary, for example, to detect people moving at speeds a speed of up to 10 km/hr, it is sufficient to record at 12 fpsFPS.

2. The minimum speed of object speed should movement must be such that the object moves at a rate of image shifts by at least 1 pixel per frame.