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Camera The requirements for the cameras when you work with the Crowd detection (TVNVA) module are given in the following table.

Camera
:
  • Resolution: from 265x256 pixels and higher

Lighting

:

  • The best
detection tool performance
  • detector operation is achieved under good lighting: no flash, with even lighting, in normal weather conditions (no rain). In conditions of insufficient lighting (for example, at night), the quality of algorithm performance
may
  • can decrease.

  • Analytics

may not

  • can work

correctly

  • improperly with light and shade variations on objects: we recommend the homogeneous lighting

is recommended,

  • without complex light-refracting forms

Scene and camera angle
:
  • Analytics
may not
  • can work
correctly
  • improperly if the scene is a repeating pattern (
e.g.
  • for example, a crosswalk and a cart on it).
  • Analytics
may not
  • can work
correctly
  • improperly when
recording
  • you record a close-up view with only one face in it
Object images
:
  • Analytics
may not
  • can work
correctly
  • improperly if there are objects that look like people (monuments, animals) in the camera FOV
Note
titleAttention!

We don't guarantee the correct detector operation if you use the video stream or frames that were masked before they got to Axxon PSIM by the IP camera means or similar methods.