Unifying Representations and Large-Scale Whole-Body Motion Databases for Studying Human Motion

Large-scale human motion databases are key for research questions ranging from human motion analysis and synthesis, biomechanics of human motion, data-driven learning of motion primitives, and rehabilitation robotics to the design of humanoid robots and wearable robots such as exoskeletons. In this...

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Bibliographic Details
Published in:IEEE transactions on robotics 2016-08, Vol.32 (4), p.796-809
Main Authors: Mandery, Christian, Terlemez, Omer, Do, Martin, Vahrenkamp, Nikolaus, Asfour, Tamim
Format: Article
Language:English
Subjects:
Animation
Biomechanics
Data base management
Data models
Human motion
Humanoid robots
Kinematics
Legged locomotion
Mathematical models
models of the human body
Motion measurement
Movement
Object motion
Recording
Representations
Robotics
Robots
Searching
Wearable computers
whole-body human motion databases
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Summary:Large-scale human motion databases are key for research questions ranging from human motion analysis and synthesis, biomechanics of human motion, data-driven learning of motion primitives, and rehabilitation robotics to the design of humanoid robots and wearable robots such as exoskeletons. In this paper we present a large-scale database of whole-body human motion with methods and tools, which allows a unifying representation of captured human motion, and efficient search in the database, as well as the transfer of subject-specific motions to robots with different embodiments. To this end, captured subject-specific motion is normalized regarding the subject's height and weight by using a reference kinematics and dynamics model of the human body, the master motor map (MMM). In contrast with previous approaches and human motion databases, the motion data in our database consider not only the motions of the human subject but the position and motion of objects with which the subject is interacting as well. In addition to the description of the MMM reference model, we present procedures and techniques for the systematic recording, labeling, and organization of human motion capture data, object motions as well as the subject-object relations. To allow efficient search for certain motion types in the database, motion recordings are manually annotated with motion description tags organized in a tree structure. We demonstrate the transfer of human motion to humanoid robots and provide several examples of motion analysis using the database.
ISSN:1552-3098
1941-0468
DOI:10.1109/TRO.2016.2572685