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Supplemental Information

Figure 1:The description of the experiment environment

DOI: 10.7287/peerj.preprints.1419v2/supp-1

Figure 2:The scene of the experiment environment

DOI: 10.7287/peerj.preprints.1419v2/supp-2

Figure 3:Stick figure and location of body joint centers estimated by Kinect

DOI: 10.7287/peerj.preprints.1419v2/supp-3

Figure 4:Kinect 3D coordinate

DOI: 10.7287/peerj.preprints.1419v2/supp-4

59 subjects'gait patterns in two-round experiments on two Kinects

DOI: 10.7287/peerj.preprints.1419v2/supp-5

Additional Information

Competing Interests

The authors declare that they have no competing interests

Author Contributions

Shun Li conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Liqing Cui conceived and designed the experiments, performed the experiments, reviewed drafts of the paper.

Changye Zhu performed the experiments, analyzed the data.

Nan Zhao reviewed drafts of the paper.

Baobin Li conceived and designed the experiments.

Tingshao Zhu conceived and designed the experiments, reviewed drafts of the paper.

Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Institute of Psychology, Chinese Academy of Sciences H15010

Funding

Support was provided by the National High-tech R&D Program of China (2013AA01A606), National Basic Research Program of China(2014CB744600), Key Research Program of Chinese Academy of Sciences(CAS)(KJZDEWL04), and CAS Strategic Priority Research Program (XDA06030800). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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