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Using a Kinect sensor to acquire biological motion: Toolbox and evaluation.

Yanwei Shi1, Xiaochi Ma1, Zheng Ma1

  • 1Department of Psychology and Behavioral Sciences, Xixi Campus, Zhejiang University, Hang Zhou, People's Republic of China, 310028.

Behavior Research Methods
|April 6, 2017
PubMed
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Researchers developed a low-cost Kinect-based biological motion capture (KBC) toolbox. This tool simplifies acquiring point-light display (PLD) biological motion (BM) stimuli for easier investigation of human perception.

Area of Science:

  • Cognitive Neuroscience
  • Computer Vision
  • Human-Computer Interaction

Background:

  • Biological motion (BM) perception is crucial for social interaction.
  • Current methods for generating point-light display (PLD) BM stimuli, primarily motion capture systems, are expensive, bulky, and complex.
  • These limitations hinder research into BM processing mechanisms.

Purpose of the Study:

  • To introduce a novel, cost-effective, and user-friendly Kinect-based biological motion capture (KBC) toolbox.
  • To enable researchers to easily acquire PLD-based BM stimuli.
  • To validate the utility of KBC-generated BM for studying visual processing characteristics.

Main Methods:

  • Development of a C++ based KBC toolbox utilizing the Kinect Sensor 2.0.
Keywords:
Biological motionKinectToolbox

Related Experiment Videos

  • Acquisition of PLD-based BM stimuli using the KBC toolbox.
  • Experimental validation of KBC-generated BM through three key investigations: global visual processing, local information retention, and emotional conveyance.

    • Main Results:

    • The KBC toolbox successfully generated PLD-based BM stimuli.
    • Experiments confirmed that KBC-generated BM is processed globally in vision.
    • KBC-generated BM retains detailed local information and effectively conveys emotional cues.

    Conclusions:

    • The KBC toolbox offers a practical and affordable solution for generating high-quality BM stimuli.
    • The findings support the use of KBC-generated BM in future research on human perception and social cognition.
    • This tool democratizes access to BM research, facilitating broader scientific inquiry.