IPSJ SIG Technical Report Vol.2012-HCI-149 No /7/20 1 1,2 1 (HMD: Head Mounted Display) HMD HMD,,,, An Information Presentation Method for Weara

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1 1 1,2 1 (: Head Mounted Display),,,, An Information Presentation Method for Wearable Displays Considering Surrounding Conditions in Wearable Computing Environments Masayuki Nakao 1 Tsutomu Terada 1,2 Masahiko Tsukamoto 1 Abstract: In wearable computing environments, the time duration to gaze a Head Mounted Display () strongly depends on surrounding environmental context. We propose a method that enable users to acquire necessary information safely by changing the presentation method according to context. In this research, we clarify the relationship among surrounding contexts, the condition of gazing at, and eye strain, by using an eye tracker device. Then, we design our method to change the presentation method based on the evaluation results. Keywords: Wearable computing, Head Mounted Display, Gaze measurement, Eyestrain, Information presentation 1. (: Head Mounted Display) 1 Graduate School of Engineering, Kobe University 2 PRESTO, Japan Science and Technology Agency c 2012 Information Processing Society of Japan 1

2 2 3 4, [1] [2] [3] [4] AR [5] AR [6], VDT [7] [8] [9] EMR-9[13] c 2012 Information Processing Society of Japan 2

3 (1) : (2) : (3) : 3 (1) (3) DATA GLASS 3/A 1 2 ( 1: 1(a)) ( 2: 1(b)) 3 λ = Fig. 2 (a) 1 (b) 2 Fig. 1 1 Tasks in the measurements of the gaze. Handheld mouse. 1 計測装置 Fig. 3 3 A snapshot Table 1 Rate of gazing at (%). of wearing equipment Table 3 Table 2 2 Average time of gazing at (sec) / Average number of eye movement (times/min) c 2012 Information Processing Society of Japan 3

4 周辺 周辺 継続タスク 継続タスク 中断 中断 4 Fig. 4 ( 1 ) Status of gazing and task (Task1 slope). 6 Fig. 6 ( 1 ) Status of gazing and task (Task1 stairs). 周辺 継続タスク 中断 周辺 7 Fig. 7 ( 2 ) Status of gazing and task (Task2 slope). 5 ( 1 ) Fig. 5 Status of gazing and task (Task1 crowds) 周辺 8 Fig. 8 ( 2 ) Status of gazing and task (Task2 crowds) c 2012 Information Processing Society of Japan 4

5 周辺 9 Fig. 9 ( 2 ) Status of gazing and task (Task2 stairs). スコア差平均値 悪化 眼精疲労因子動揺病因子眼の表面の状態に関する因子 4 Table 4 2 Average of reaction time in Task2 (sec). 0 動作 1 動作 2 動作 Fig Experimental results of the questions from the Ukai [14] [15] [16] [17] VDT (b) 1: Fig. 11 スコア差平均値 悪化 しない常時移動 Experimental results of the examination of subjective symptoms. 2: 3: t t c 2012 Information Processing Society of Japan 5

6 t 2 10 t ( p 0.05) t (p 0.01) (p 0.05) 3 10 t (: p 0.01 : p 0.05) t (p 0.05) (p 0.05) : 2: 3: 4: 3 3 ( 12(a)) 3 1 ( 12(b)) 2 ( ) ( 12(c)) 3 ( ) ( 12(d)) ( 12(e)) PC lenovo ThinkPad X220i (CPU: Core i3-2310m 2.1GHz 2, : 4GB) DATA GLASS 3/A 2 Microsoft Visual C 5. c 2012 Information Processing Society of Japan 6

7 [ 文字 ] 1000 (a) (b) 既読文字数 テロップ文送り全文表示 ( 小 ) 200 全文表示 ( 大 ) 0 静止歩 階段 (c) (d) Fig Number of characters read. 率 [%] Fig. 12 アラート (e) 12 Information presentation method. 静止歩 階段 13 Fig. 13 Gaze rate. テロップ 文送り 全文表示 ( 小 ) 全文表示 ( 大 ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 4 2 ( ) c 2012 Information Processing Society of Japan 7

8 ( ) 3 6. ( ) (A)( ) [5],,, : AR,, Vol. 12, No. 1, pp (Feb. 2010). [6],,, : Context-Aware,., Vol. 48. No. SIG11(TOD34), pp (June 2007). [7],,,,,, :,, Vol. 42, pp (June 2006). [8], :,, Vol. 42, pp (June 2006). [9],,, :,. UBI, Vol. 2008, No. 18, pp (Feb. 2008). [10] T. Jebara, B. Schiele, N. Oliver, and A. Pentland: DyPERS: Dynamic Personal Enhanced Reality System, Proc. of the M.I.T. Media Lab. Perceptual Computing Section Technical Report, No. 468 (May 1998). [11], :,, Vol. 2004, No.14, pp (Feb. 2004). [12],,,, : EOG,, Vol. 39, No. 5, pp (May 1998). [13] Eye Mark Recorder EMR-9, product/emr_9/index.html. [14] AA- 2, aa-2.html. [15] VDT, /WP pdf. [16], : Head Mounted Display, :, Vol. 54, No. 6, pp (June 2000). [17], ac.jp/of. [1],,,,, :,, Vol. 2005, No. 49, pp (May 2005). [2],,, : MC :,, Vol. 28, No. 2, pp (May 2011). [3],, :, 19 (WISS2011), pp (Dec. 2011). [4],,,, :,, Vol. 48, No. 4, pp (Apr. 2007). c 2012 Information Processing Society of Japan 8

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