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  • Camera fixed on tripod
  • Its crucial to place the tripod on a surface, where there will be no vibrations
  • Camera has to have a clear line sight to the scoreboard
  • Use manual exposure, not auto exposure. Choose darker picture in order to have more contrast between digits and the scoreboard, therefore making digits more visible. Setting manual exposure makes sure that exposure will not change due to nearby LCD screens displaying ads
  • Use maximum zoom (even digital), but keep the whole scoreboard in the frame
  • Use manual focus
  • Ideally adjust (but not mandatory) shutter speed to 50/60 to make sure that during vibrations we have a clear picture. Choose between 50/60hz to make sure that digits are not flickering depending on the refresh rate (Hz) of the display.

RTSP camera is a very cheap and flexible solution. For 150 EUR you can buy a camera with remote pan, tilt, zoom, focus, contrast control, which makes it possible to use PoE, attach camera to a distant position (for example to ceiling) and at any point of time adjust the video frame remotely. Keep in mind that RTSP protocol will introduce up to 400ms of input latency.
We have used 20 of these specific cameras in 1000+ productions.

IP camera settings that we have tested

To access the camera feed, use the following URL in Scoreboard OCR RTSP input tab


IP camera requirements

Turns out that the camera mentioned above ship from China (takes 1 month).
So if you cannot wait that long, here are some recommended requirements for buying IP camera:

  1. Optical zoom at least 4x
  2. Possibility of digital zoom (might come in handy if the distance is too far away)
  3. RTSP stream output (I believe 99% IP cameras should have that)
  4. H.264 codec (some newer cameras might only have HEVC or h.265 codec) with 720p25 output option
  5. Remote pan, tilt zoom, focus functionality
  6. Manual exposure
  7. Manual focus
  8. 50/60Hz option
recommended_camera_settings.txt · Last modified: 2020/07/31 12:37 by arturs