RITMO

Motion Capture

Alexander Refsum Jensenius


Based on: Jensenius, Alexander Refsum. Methods for Studying Music-Related Body Motion. In Handbook of Systematic Musicology, edited by Rolf Bader, 567–80. Berlin Heidelberg: Springer-Verlag, 2018.

Main types of motion capture systems

  • Camera-based systems
  • Sensor-based systems

Camera-based systems

  • Modes: greyscale, colour, infrared
  • Number of cameras
  • With or without markers on the body

Optical, infrared, marker-based motion capture

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Optical, infrared, marker-based motion capture

Optical, infrared, marker-based motion capture

Sensor-based systems

  • acoustic
  • mechanical
  • magnetic
  • inertial
  • electrical

Magnetic Tracker

Polhemus

Polhemus 6 DOF electromagnetic tracker

Mechanical Sensors

Glove

Home-built glove with bend sensors and force sensing resistors

Inertial Sensors

Inertial

Various inertial sensors (accelerometer, gyorscope, magnetometer)

Inertial motion capture suite

Inertial motion capture suite in artistic use

Physiological motion capture

Myo armband with inertial sensors and 8 muscle sensors (EMG)