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1. Display the video surveillance monitor on the screen and check if Axxon PSIM properly registers alarms on camera.
   If registration is proper, then additional settings may be skipped.

   Info
   title Note
   If alarms on camera are registered improperly (for example, a detection tool is triggered by artificial or natural video signal noise (rain, snow, etc), a detection tool does not detect small object motion and high speed motion), or if there is a big interval between the start of an event and the start of an alarm and the end of an event and the end of an alarm, you should configure the Main motion detection tool. The proper setup of a Main motion detection tool allows to significantly lower the probability of unsatisfactory camera alarm detection. It is recommended to set the key frames interval to at least 2 (for more information, see Configuring video compression), and to disable frame decimation using change the number of processed frames by setting the corresponding value of the DetectionFps parameter of the HKEY_LOCAL_MACHINE\SOFTWARE\AXXONSOFT\PSIM\Video registry key (for more information, see Registry keys reference guide; for information on working with the registry, see Working with Windows OS registry). The key value corresponds to the maximum number of frames processed per second, which decompresses all frames and increases the load on the CPU.

   
   

2. Go to the Hardware tab in the System settings dialog box (1).
3. Select the Camera object corresponding to the camera on which a detection tool is configured, in the objects tree of the Hardware tab (2). The settings panel for the selected object appears on the right of the Hardware tab.
4. Select the Basic settings tab on the settings panel of the Camera object (3).
   
5. Set the Size value by moving the slider of the same name (4). The value of this setting corresponds to the part of the total frame square, occupied by the smallest detected object. When an object bigger than the preset one moves, the motion detection tool switches to the alarm status.
   The best value of the Size parameter is defined by testing the triggering of a detection tool. With low values of the Size parameter, triggering by noise (including rain, snow) is more probable. With high values of the Size parameter, triggering by object motion is less probable.
   The value that is slightly lower than the average size of the moving objects in the frame is recommended to be set to the Size parameter. If a detection tool triggers upon video signal noise, then it is necessary to change the Contrast parameter.
6. Set the Contrast value by moving the slider of the same name (4). The value of this setting corresponds to the contrast of detected object.
   The best value of the Contrast parameter is defined by testing the triggering of a detection tool. With low values of the Contrast parameter, triggering by moving objects, color spectrum of which is very similar to that of the background, is more probable. In most cases the default Contrast setting (the average value) is sufficient.
7. Click the Apply button (5).

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