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Random but IMPORTANT Vicon things to know

• Thank you Maria Santos, Paul Lee, and Daphne Barretto for your contributions to these instructions
• Updating links: NFC tags, QR codes, Notion (equipment page, front page frequently used, resources page)
• Customer support: [email protected], when you call, press 3 for engineering and rigid body support

• Computer
  • Do not download or install any software on the Vicon computer. ALL post processing must be done on your own machine.
    • This is a shared machine that takes a lot of processing power to run the Vicon system and we need to preserve it’s RAM for only that purpose.
• Objects/bodies
  • Don’t place markers on a body symmetrically or else Vicon can’t tell the body’s orientation along the symmetric axis
  • Vicon can track multiple bodies; however, you have to do one of the following first:
    • Place the tracking markers in distinguishable ways to be able to differentiate the bodies being tracked or
    • Use the Vicon swarm package to track multiple identical bodies
• Cameras
  • You need at least 3 cameras to triangulate a body in space but you should have more because sometimes some cameras randomly drop some of the markers they’re tracking.
  • It is a good idea to have the cameras warm up for 30 minutes because the rise in temperature will change it’s measurement precision.
• Software
  • You can mask objects with the software that you cannot physically remove from the space. Vicon will cover whatever pixels you don’t want to see
    • When masking, don’t have the object you’re tracking in the camera’s view or else you’ll mask the object you’re trying to track
  • When calibrating/creating objects, the orientation of space in the tracker software is as follows: red is for the x-axis, green is for the y-axis, blue is for the z-axis

Quick Info

• Requires Certification from Lab Manager
• Hardware: Vicon Vantage V16
• Software: Vicon Tracker
  • Tracker is optimized for tracking rigid bodies
  • Nexus is more suitable for capturing the motion of fluid bodies (We don’t have this software)
• Vicon uses infrared markers placed on body to track its movement in space