Research on Updating of Body Schema Using AR Limb and Measurement of the Updated Value

Research on Updating of Body Schema Using AR Limb and Measurement of the Updated Value
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AR肢体身体图式更新及更新值测量研究

DOI:
10.1109/jsyst.2014.2373394
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发表时间:
2015
影响因子:
4.4
通讯作者:
Hideki Hashimoto
Hideki Hashimoto
中科院分区:
计算机科学2区
文献类型:
--
作者:
Sousuke Nakamura;Noriki Mochizuki;Tomoki Konno;Junya Yoda;Hideki Hashimoto

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身体图式是大脑中用于回忆身体位置的内部模型,已知通过适应由于身体生长而引起的身体形状的变化来更新。此外,最近的研究报道了身体图式的主动更新,通过误解一个人的身体位置使用错觉现象。然而,当前主动更新身体模式的方法具有有限的效果,并且不处理每个身体部分的选择性更新。因此,在本文中,提出了一种新的方法,使用增强现实(AR)的肢体在很短的时间内有选择地更新身体图像的单一部分。增强现实肢体是由主动伸缩的肢体组成的虚拟肢体,通过头戴式显示器投射出来。基本概念是基于视觉和躯体信息的感觉整合中的身体图式学习机制来更新身体图式以匹配AR肢体的延伸和缩回部分。通过对右前臂进行身体模式更新的实际实验,验证了该方法的有效性。
The body schema, an internal model in the brain used to recall the body position, is known to be updated by adapting to the changes in the body figure due to the body growth. Furthermore, the recent research has reported the active updating of the body schema by misunderstanding one's body position using the illusion phenomenon. However, the current method of actively updating the body schema has limited effects and does not handle selective updating of each body part. Therefore, in this paper, a new method using an augmented reality (AR) limb is proposed for the selective updating of unitary parts of the body image in a short period of time. The AR limb is the virtual limb composed by actively extendable and retractable parts, projected by head-mounted display. The basic concept is that the body schema is updated to match the extended and retracted part of the AR limb based on the body schema learning mechanism in the sensory integration of visual and somatic information. The potential effectiveness of the method was verified by actual experiment applying the body schema update to the right forearm.
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