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The Journal of Engineering Volume 2018 ,Issue 2 ,2018-02-16
Evaluation of the fine motor skills of children with DCD using the digitalised visual-motor tracking system
Ruimin Li 1 , 2 , 3 Bin Li 1 , 2 , 3 Shixiong Zhang 3 Hong Fu 3 Wai-Lun Lo 3 Jie Yu 4 Cindy H.P. Sit 4 Desheng Wen 1
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DOI:10.1049/joe.2017.0405
Received 2017-9-30, accepted for publication 2017-12-20, Published 2017-12-20
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摘要

The study on the coordination between vision and motion of children with developmental coordination disorder (DCD) can help understand the mechanism of DCD for timely and appropriate intervention. Whereas the existing visual-motor integrated systems rely on markers attached to the subject to track the eye gaze and body movements, which is too expensive and not suitable for DCD assessment. In this study, a markerless visual-motor tracking system which consists of an eye-tracker used to track the eye gaze and a Kinect used to capture the body movements is designed to monitor the behaviour of children in the fine motor tasks. Then the eye gaze position of the subject is matched into the motion image captured by Kinect. The current data of children placing pegs captured by the proposed system are analyzed quantitatively. We find that the visual movement speed of the children with DCD or at risk of DCD is slower than that of the typical developing children to focus on the target while their hand movement speed is almost the same. In addition to DCD analysis, the proposed system is meaningful to the monitoring of other diseases related to visual-motor coordination.

关键词

fine motor skills;children;DCD;digitalised visual-motor tracking system;eye tracker;eye gaze position;hand movement;developmental coordination disorder;biomechanics;medical disorders;vision;paediatrics

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通讯作者

Hong Fu.Department of Computer Science, Chu Hai College of Higher Education, Hong Kong.hfu@chuhai.edu.hk

推荐引用方式

Ruimin Li,Bin Li,Shixiong Zhang,Hong Fu,Wai-Lun Lo,Jie Yu,Cindy H.P. Sit,Desheng Wen. Evaluation of the fine motor skills of children with DCD using the digitalised visual-motor tracking system. The Journal of Engineering ,Vol.2018, Issue 2(2018)

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