ヒューマンインタフェース学会論文誌
Online ISSN : 2186-8271
Print ISSN : 1344-7262
ISSN-L : 1344-7262
特集論文「人間拡張(Human Augmentation)」
CheekInput: 頬をタッチサーフェースとする頭部装着型ディスプレイへの入力手法
山下 幸輝菊地 高史正井 克俊ブルース トーマス杉本 麻樹杉浦 裕太
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2018 年 20 巻 3 号 p. 311-320

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In this paper, we propose a novel technology called "CheekInput" with a head-mounted display (HMD) that senses touch gestures by detecting skin deformation. We attached multiple photo-reflective sensors onto the bottom front frame of the HMD. Since these sensors measure the distance between the frame and cheeks, our system is able to detect the deformation of a cheek when the skin surface is touched by fingers. Our system uses a Support Vector Machine to classify the gestures: pushing face up and down, left and right. We combined these 4 directional gestures for each cheek to extend 16 possible gestures. To evaluate the accuracy of the gesture detection, we conducted a user study. The results revealed that CheekInput achieved 80.45 % recognition accuracy when gestures were made by touching both cheeks with both hands, and 74.58 % when by touching both cheeks with one hand.

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