Documentation for Axxon Next 3.6.4. Documentation for other versions of Axxon Next is [available too].

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To configure VMD, you must perform the following steps:

  1. In the Detection Tools list, highlight a Motion object (1).
  2. Video motion detection (VMD) recognizes a change in the video signal in relation to a reference image of static background (a specific location , video scene or part of a video scene). For VMD, a block of 80x60 pixels is sampled from the raw image. If the brightness levels of same pixels in the current frame and the background / reference image change and exceed the threshold valiue defined by the Sensitivity: Contrast (7 if sensitivity is at  16 and 29 at the sensitivity threshold value of 0). Motion is detected  if the number of brighter / darker pixels  exceeds the threshold value defined Sensitivity: Size (3 pixelsfor a 80x60 image with sensitivity values of 10 and 53 pixels at the sensitivity value of 0).

  3. In the viewing tile, set detection zones and/or masks in the same way as for situation analysis detection tools (3).

    Note

    See steps 2–4 in the section Setting Common Detection Zones

  4. Click the Apply button.

VMD configuration is now complete.