Applied Bionics and Biomechanics

Applied Bionics and Biomechanics / 2012 / Article
Special Issue

Human-Robot Interaction/Interface

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Open Access

Volume 9 |Article ID 978498 |

Douglas A. Brooks, Ayanna M. Howard, "Quantifying Upper-Arm Rehabilitation Metrics for Children through Interaction with a Humanoid Robot", Applied Bionics and Biomechanics, vol. 9, Article ID 978498, 16 pages, 2012.

Quantifying Upper-Arm Rehabilitation Metrics for Children through Interaction with a Humanoid Robot


The objective of this research effort is to integrate therapy instruction with child-robot play interaction in order to better assess upper-arm rehabilitation. Using computer vision techniques such as Motion History Imaging (MHI), edge detection, and Random Sample Consensus (RANSAC), movements can be quantified through robot observation. In addition, incorporating prior knowledge regarding exercise data, physical therapeutic metrics, and novel approaches, a mapping to therapist instructions can be created allowing robotic feedback and intelligent interaction. The results are compared with ground truth data retrieved via the Trimble 5606 Robotic Total Station and visual experts for the purpose of assessing the efficiency of this approach. We performed a series of upper-arm exercises with two male subjects, which were captured via a simple webcam. The specific exercises involved adduction and abduction and lateral and medial movements. The analysis shows that our algorithmic results compare closely to the results obtain from the ground truth data, with an average algorithmic error is less than 9% for the range of motion and less than 8% for the peak angular velocity of each subject.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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