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Accuracy of Kinect's skeleton tracking for upper body rehabilitation applications

Mobini, A ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.3109/17483107.2013.805825
  3. Abstract:
  4. Games and their use in rehabilitation have formed a new and rapidly growing area of research. A critical hardware component of rehabilitation programs is the input device that measures the patients' movements. After Microsoft released Kinect, extensive research has been initiated on its applications as an input device for rehabilitation. However, since most of the works in this area rely on a qualitative determination of the joints' movements rather than an accurate quantitative one, detailed analysis of patients' movements is hindered. The aim of this article is to determine the accuracy of the Kinect's joint tracking. To fulfill this task, a model of upper body was fabricated. The displacements of the joint centers were estimated by Kinect at different positions and were then compared with the actual ones from measurement. Moreover, the dependency of Kinect's error on distance and joint type was measured and analyzed.Implications for RehabilitationIt measures and reports the accuracy of a sensor that can be directly used for monitoring physical therapy exercises.Using this sensor facilitates remote rehabilitation
  5. Keywords:
  6. Accuracy ; Kinect ; Rehabilitation ; Skeleton tracking ; Arm ; Audiovisual equipment ; Devices ; Human ; Joint ; Joint characteristics and functions ; Physiology ; physiotherapy ; Recreation ; Reproducibility ; Humans ; Joints ; Models, anatomic ; Motor activity ; Physical therapy modalities ; Range of motion, articular ; Reproducibility of results ; Upper extremity ; Video games
  7. Source: Disability and Rehabilitation: Assistive Technology ; Vol. 9, issue. 4 , 2014 , pp. 344-352 ; ISSN: 17483107
  8. URL: http://informahealthcare.com/doi/abs/10.3109/17483107.2013.805825