Codamotion

What is Codamotion

• Product

Codamotion is the world leader in real-time movement analysis.   Since its earliest prototypes in the 1970s, relentless development has kept Codamotion at the head of its field, and made it the first choice of users in a variety of disciplines. Applications include:

• Clinical Movement Analysis and Gait Labs
• Biomechanics Research
• Neuroscience
• Sports Science
• Ergonomics

 

Movement Analysis With CODA - Overview
Codamotion Active TechnologyMotion Analysis Applications

Codamotion’s measurement technology uses miniature infra-red ‘active’ markers, each with their own unique identity, to track the key positions on any subject. Signals from these ‘active’ markers are beamed to three linear arrays inside a ‘CODA’ unit which provides an immediate and precise 3D measurement.
What is a ‘CODA’ Unit?

A ‘CODA’ is a standalone measurement unit capable of tracking 3D marker positions in real time.

* Each CODA makes its own independent measurements, dramatically reducing occlusion rates compared to multi-camera systems
* Each CODA is factory calibrated, so there is no need for calibration by the user… ever
* Each CODA weighs just 5kg, and can be unpacked and operational anywhere in less than ten minutes
* Multiple CODAs can be easily aligned as a single framework to extend the measurement volume covered.

What is an ‘Active’ Marker?

‘Active’ markers are those which generate their own light. They flash as opposed to reflect.

* Active Marker identity is automatic and totally secure, so marker labels cannot be misidentified
* Active Markers require no post-collection label sorting
* Active Marker systems require no pre-filtering, idealization or manipulation of collected data, which – in ‘passive’ marker systems – can dramatically reduce the effective frame rate and the ability to capture fine movements
* Active Markers make ‘real-time’ capture and display possible

What is a Masked Linear Array?

A Masked Linear Array (MLA) measures the pattern produced when a marker casts a shadow on an array through a grid of lines (the mask). Sports Science Applications

* The MLA provides higher accuracy by measuring patterns of illumination across its whole array surface, not just the minute fraction used when a focused dot falls on a 2D camera array
* The MLA doesn’t suffer from non-linear distortions caused by camera lenses
* The MLA is more tolerant of ambient light, so experiments aren’t confined to a dimly-lit laboratory
* The MLA has an acceptance angle of over 75 degrees, allowing more measurement volume in less space, with sensor units placed closer to the action for added accuracy.

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