Difference between revisions of "iPi Biomech Add-on"

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{{Note| '''iPi Biomech Add-on''' requires separate license key, which you need to activate in addition to [[iPi Mocap Studio]] license key. 30-days free trial provided.}}
 
{{Note| '''iPi Biomech Add-on''' requires separate license key, which you need to activate in addition to [[iPi Mocap Studio]] license key. 30-days free trial provided.}}
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 +
=== Glossary ===
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;Linear quantities: Quantities derived from linear coordinate of the joint which connects bone to it's parent bone, including:
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::* Coordinate
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::* Velocity
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::* Acceleration
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 +
;Angular quantities: Quantities derived from bones's Euler angle, including:
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::* [http://en.wikipedia.org/wiki/Euler_angles Euler angle]
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::* [http://en.wikipedia.org/wiki/Angular_velocity Angular velocity]
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::* [http://en.wikipedia.org/wiki/Angular_acceleration Angular acceleration]
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::* [http://en.wikipedia.org/wiki/Quaternion Quaternions]
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::* [http://en.wikipedia.org/wiki/Rotation_matrix Rotation matrices]
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;Linear coordinate system: Coordinate system used for '''linear quantities''', can be:
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::* Absolute (relative to ground)
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::**Axes are shown by selecting Move tool;
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::**Y axis is vertical
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::**XZ plane is floor
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::**Center and X, Z axes directions are automatically set during calibration
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::**''Recenter Coordinates on Character'' button on ''Scene'' tab before tracking will align coordinate system with actor in T-pose
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::***Y is vertical axis passing through center of mass
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::***XZ plane is floor
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::***X is directed along left arm in T-pose
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::* Relative to center of mass — axes are shown by selecting Move tool; center is in the actor model's center of mass
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::* Relative to parent joint — axes are shown by selecting Move tool; center coincides with the coordinates of the parent bone
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;Angular coordinate system: Coordinate system used for '''angular quantities''', can be:
 +
::* Absolute (relative to ground) — in this system rotations are defined relative to ground
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::* Local (Relative to parent bone) — in this system rotations are defined relative to the parent bone
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;Euler angles system: Set of rotations which defines Euler angles, see [http://en.wikipedia.org/wiki/Euler_angles#Conventions here]
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;Unit: Measurement unit of physical quantity

Revision as of 12:13, 18 March 2015

Note.png
Note: This article is under construction and will be published in a few days. Meanwhile refer to v2 documentation: http://wiki.ipisoft.com/Biomechanical_Analysis

Introduction

iPi Biomech Add-on is a convenient tool for in-depth biomechanical analysis of human motions. It includes visualization of tracking data and its export to various formats. It can be used for:

  • Export of point cloud from multiple Kinect sensors for animation or research
  • Gait analysis and rehabilitation
  • Sports motion analysis
  • Research in 3D human kinematics

Markerless tracking technology does not require clumsy suits, and work in real-life environments like regular office.

With iPi Biomech Add-on you can:

iPi-Biomech-1-1.jpg
  • Export point clouds obtained from depth sensors to file
Note.png
Note: iPi Biomech Add-on requires separate license key, which you need to activate in addition to iPi Mocap Studio license key. 30-days free trial provided.

Glossary

Linear quantities
Quantities derived from linear coordinate of the joint which connects bone to it's parent bone, including:
  • Coordinate
  • Velocity
  • Acceleration
Angular quantities
Quantities derived from bones's Euler angle, including:
Linear coordinate system
Coordinate system used for linear quantities, can be:
  • Absolute (relative to ground)
    • Axes are shown by selecting Move tool;
    • Y axis is vertical
    • XZ plane is floor
    • Center and X, Z axes directions are automatically set during calibration
    • Recenter Coordinates on Character button on Scene tab before tracking will align coordinate system with actor in T-pose
      • Y is vertical axis passing through center of mass
      • XZ plane is floor
      • X is directed along left arm in T-pose
  • Relative to center of mass — axes are shown by selecting Move tool; center is in the actor model's center of mass
  • Relative to parent joint — axes are shown by selecting Move tool; center coincides with the coordinates of the parent bone
Angular coordinate system
Coordinate system used for angular quantities, can be:
  • Absolute (relative to ground) — in this system rotations are defined relative to ground
  • Local (Relative to parent bone) — in this system rotations are defined relative to the parent bone
Euler angles system
Set of rotations which defines Euler angles, see here
Unit
Measurement unit of physical quantity