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Research-Grade Motion Capture from Northern Digital Inc.
NDI Smart Markers

NDI Smart MarkersOptotrak Smart Markers - Bringing you freedom from wires!

Solutions Spotlight

Eye-head trackingPractically determine a subject's point of gaze with long range, high accuracy, real-time eye-head integration available from NDI and ASL.

NDI Research Customers

Researchers from the world's first kinesiology department at the University of Waterloo have been using the NDI Optotrak system in their mocap research for years - see other researchers using Northern Digital Inc. technology.

Motion Capture for Research

NDI specializes in motion capture systems specifically designed for use within the research field. Learn more about motion capture systems for research.

Motion Capture Software

Northern Digital Inc. introduces NDI First Principles motion capture software. Easily record, play back, and manage Optotrak motion capture data. Free trial version available. NDI First Principles Software