Vol.11-HCI-15 No. 11//1 Xangle 5 Xangle 7. 5 Ubi-WA Finger-Mount 9 Digitrack 11 1 Fig. 1 Pointing operations with our method Xangle Xa

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1 Vol.11-HCI-15 No. 11//1 GUI 1 1 1, 1 GUI Graphical User Interface Xangle Xangle A Pointing Method Using Accelerometers for Graphical User Interfaces Tatsuya Horie, 1 Takuya Katayama, 1 Tsutomu Terada 1, and Masahiko Tsukamoto 1 Currently, GUI is widely used and pointing devices must be required to operate GUI. We have proposed Xangle, which is a pointing method using two accelerometers for wearable computing environments. In the proposed method, the cursor is positioned at the intersection of two straight lines, which are synchronized with the angles of the accelerometers. However, Xangle is difficult to be used in wearable computing environments, where avairable body parts frequently change. Therefore, we propose a method to change the parts to use for determining the angles according to the situations. In addition, we proposed a method to accelerate the pointer and a method to layout menu items for Xangle. Evaluation results confirmed the effectiveness of the proposed. 1. GUI Graphical User Interface GUI 3 Xangle 1 Xangle Xangle Xangle Xangle Xangle Xangle 3 1 Graduate School of Engineering, Kobe University PRESTO, Japan Science and Technology Agency 1 c 11 Information Processing Society of Japan

2 Vol.11-HCI-15 No. 11//1 Xangle 5 Xangle 7. 5 Ubi-WA Finger-Mount 9 Digitrack 11 1 Fig. 1 Pointing operations with our method Xangle Xangle Xangle Xangle 1 Xangle 1 A B A B c 11 Information Processing Society of Japan

3 Vol.11-HCI-15 No. 11//1 1 1 B A B 3 1 A B A. 直立時両手塞がり 着席時両手塞がり 直立時片手塞がり 9 px px px px px px px px 7px px px 3 Fig. Fixing points Fig. 3 Snapshots of users in the experiment 3px HMD Head Mounted Display 1 Wii 1 Wii WiiRemote 1 HMD 5px c 11 Information Processing Society of Japan

4 Vol.11-HCI-15 No. 11// [ 回 ] [ 回 ] [ 回 ] [ 回 ] a b Fig. Elapsed time in standing with both hands occupied e b 3 7a Wii 7b a b [ 回 ] [ 回 ] c d 5 Fig. 5 Elapsed time in standing with one-hand occupied Wii Wii 13 c 11 Information Processing Society of Japan

5 Vol.11-HCI-15 No. 11// [ 回 ] [ 回 ] [ 回 ] [ 回 ] a b a b Wii Fig. 7 7 Elapsed time with existing devices [ 回 ] [ 回 ] c d [ 回 ] e Fig. Elapsed time in sitting with both hands occupied 9 9 指 上向き 頭と手 片手 肘 片手塞がり直立時 Fig. 指 下向き 手の甲 指 上向き 肘 足 交差 両手塞がり着席時 足 上下 手首 トラックボール W i リモコン 既存デバイス Elapsed time with each fixing points a b 5 c 11 Information Processing Society of Japan

6 Vol.11-HCI-15 No. 11// 従来メニュー提案メニュー Fig. 9 5 [px] Relationship between elapsed time and movement distance 11 Fig. 11 Arranging icons in menu 指 上向き 足 交差 Fig. Elapsed time for each arranging icons in menu 秒以上 秒以上 9 秒 ~ 秒 9 秒 ~ 秒 秒 ~9 秒 秒 ~9 秒 7 秒 ~ 秒 7 秒 ~ 秒 秒 ~7 秒 秒 ~7 秒 5 秒 ~ 秒 5 秒 ~ 秒 秒 ~5 秒 秒 ~5 秒 3 秒 ~ 秒 3 秒 ~ 秒 秒 ~3 秒 秒 ~3 秒 秒以下 秒以下 b11 a px b px 秒以上 9 秒 ~ 秒 秒 ~9 秒 7 秒 ~ 秒 秒 ~7 秒 5 秒 ~ 秒 秒 ~5 秒 3 秒 ~ 秒 秒 ~3 秒 秒以下 c Fig. Elapsed time for each target position 5. GUI Xangle XY Xangle Xangle Xangle px HMD Xangle Xangle Xangle Xangle 1 c 11 Information Processing Society of Japan

7 Vol.11-HCI-15 No. 11// px HMD ブレーキ 1 軸停止機能なし 指 上向き 指 下向き 片手肘足 交差 13 Fig. 13 Elapsed time using improvement system for each fixing points Xangle a 1 A D 7 c 11 Information Processing Society of Japan

8 Vol.11-HCI-15 No. 11//1 機能なし 1 ブレーキ 1 一軸停止 ハイブリッド a 機能なし ブレーキ 一軸停止 ハイブリッド b 1 Fig. 1 Elapsed time using improvement system in proposal menu 1 7. Xangle 9 Xangle Y. Tokoro, T. Terada, and M. Tsukamoto: A Pointing Method Using Two Accelerometers for Wearable Computing, Proc. of ACM Symposium on Applied Computing SAC9, pp , 9. :,,. 3 :,, Vol. 5, No. 3, pp , 9. BOMU-WA, item/b/bomu-wa/. 5,,,, : :,, Vol. 5, No. 5, pp. 7 5, 1.,,,, : Ubi-WA, 53, pp , 9. 7,, :,, Vol., No., pp. 17,.,, :, 1, p. 1,. 9, : Finger-Mount, 99, Vol HI-99, No. 9, pp , 1999., : DigiTrack, 9 WISS, pp. 5 13, 1. 11, :,, pp. 3,.,,,, :,, SA11,. 13,,, :, 11, pp WiiRemote, c 11 Information Processing Society of Japan

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