ズボンのポケットに収納したスマートフォンによる歩容解析方法に関する検討
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(2) Vol.2014-UBI-43 No.13 2014/7/29. IPSJ SIG Technical Report. 2.. [21], [22] [21] 10cm [10] [11], [12]. [23], [24], [25], [26]. [13], [14], [15]. Cloete. Xsens. MEMS. 1% [11]. [25]. [13]. Tadano. [26] 10 0.98. 0.97. 0.78. Jimenez [14]. 3.. 1% 1% [16] [1] Mladenov %. (. 10%. [16]. 1). [10]. k-means. 2. HMM. [17], [18], [19], [20]. 1 θ(deg). Ll (m). L(m). L = 2Ll sinθ V (m/s). c 2014 Information Processing Society of Japan !. L(m). 2.
(3) Vol.2014-UBI-43 No.13 2014/7/29. IPSJ SIG Technical Report. 1: 3: !"#$%&'()*+. ,-#$,&'()*+. [27] 2343+. 2545+. ./01+. 3 2: T (s). V = 2L/T. [10]. 5.. 4.. 5.1. 3 3 (1) (2) 5.2 (3). 26-29. 3. 3. 170cm. Samsung Galaxy S4 3 3 3. 3. 100Hz 100ms. c 2014 Information Processing Society of Japan !. 3. 3 3.
(4) Vol.2014-UBI-43 No.13 2014/7/29. IPSJ SIG Technical Report. 1:. 250Hz. 3 1. 2. 3. 3. X. 0.77. 3.21. Y. 9.87. 9.42. 9.90. Z. -1.24. -0.73. -0.41. X. 0.51. 2.57. 0.40. Y. 9.88. 9.57. 9.90. Z. -0.50. -0.98. -0.34. X. Y. Z. 0.80. 2m. 3m. 1. 3. 3. 5.3. 3. 3 1. n. 1. a(n) n f(n). 2. f (n) = 0.1 ∗ a(n) + 0.9 ∗ f (n − 1). 6. 3 3 3. 6.1 50ms 3 Samsung Galaxy S4 3. MA-8000 2 3. stepwise 1. 3 R2. RMSE 1. 3 1-2. (18-22 (64-80. 1-3 1-1. 6.2 ). 4. ). 7. 1-1 1-2 1-3 1-1 1-3 1-1. 7 1-3. 4. 1-2 1-2 3. R2. RMSE. 6.3 3. 2. 3 R2 RMSE. 0.7-0.9. 4-6 4. 15Hz. c 2014 Information Processing Society of Japan !. 18 20 22. 4.
(5) Vol.2014-UBI-43 No.13 2014/7/29. IPSJ SIG Technical Report. R2. 2:. RMSE. R2. RMSE (deg). 1-1. 0.91. 4.76. 1-2. 0.81. 6.15. 1-3. 0.72. 2-1 2-2. R2. 3:. RMSE. R2. RMSE (deg). 15-1. 0.76. 5.85. 15-2. 0.92. 3.59. 7.86. 15-3. 0.86. 4.71. 0.72. 7.94. 16-1. 0.53. 7.78. 0.96. 3.09. 16-2. 0.83. 4.66. 2-3. 0.96. 2.84. 16-3. 0.78. 5.41. 3-1. 0.87. 5.27. 17-1. 0.83. 4.32. 3-2. 0.84. 5.91. 17-2. 0.85. 4.30. 3-3. 0.84. 6.20. 17-3. 0.86. 3.94. 4-1. 0.91. 4.24. 18-1. 0.89. 4.32. 4-2. 0.74. 6.75. 18-2. 0.94. 3.50. 4-3. 0.87. 5.02. 18-3. 0.91. 4.57. 5-1. 0.92. 4.00. 19-1. 0.84. 6.34. 5-2. 0.96. 2.65. 19-2. 0.90. 4.83. 5-3. 0.64. 8.08. 19-3. 0.80. 7.26. 6-1. 0.90. 3.77. 20-1. 0.89. 4.98. 6-2. 0.71. 6.52. 20-2. 0.92. 4.17. 6-3. 0.85. 4.58. 20-3. 0.93. 3.96. 7-1. 0.81. 5.53. 21-1. 0.69. 6.86. 7-2. 0.93. 3.50. 21-2. 0.65. 7.17. 7-3. 0.70. 7.12. 21-3. 0.84. 5.02. 8-1. 0.93. 3.52. 22-1. 0.98. 2.17. 8-2. 0.81. 5.74. 22-2. 0.93. 3.50. 8-3. 0.88. 4.50. 22-3. 0.94. 3.72. 9-1. 0.90. 4.08. 9-2. 0.87. 4.81. 9-3. 0.93. 3.47. 10-1. 0.61. 7.20. 10-2. 0.84. 4.55. 10-3. 0.90. 3.80. 11-1. 0.71. 7.23. 11-2. 0.93. 3.78. 11-3. 0.74. 6.87. 12-1. 0.96. 2.70. 12-2. 0.77. 6.62. 12-3. 0.88. 4.69. 13-1. 0.96. 2.84. 13-2. 0.93. 3.67. 13-3. 0.93. 3.44. 14-1. 0.90. 4.68. 14-2. 0.86. 5.88. 14-3. 0.89. 4.59. 6.4. [16]. 2000-3000ms. 5 11 16 21. c 2014 Information Processing Society of Japan !. 5. 5.
(6) Vol.2014-UBI-43 No.13 2014/7/29. IPSJ SIG Technical Report. 3456789'. %#$. #$ #$. '##$. %###$. %'##$. "###$. "'##$. "#$. &#$ #$ #$. '##$. &###$. &'##$. %###$. %'##$. !&#$. !"#$. ()&(-.,'. 3456789'. %#$ &#$ #$ #$. (##$. &###$. (a) 18-1 "#$. !"#$%&()*+,'. #$ #$. '##$. &###$. &'##$. %###$. %'##$. !&#$. "#$. *+,-./012' 3456789'. %#$. &#$. (c) 18-3. &#$ #$ #$. '##$. &###$. &'##$. %###$. %'##$. !&#$ !%#$. !%#$. '#$. &###$. &'##$. %###$. !&#$ !%#$. %#$. %'##$. &#$ #$ #$. (##$. 3456789'. &###$. !&#$. &(##$. %###$. &#$ #$ #$. '##$. &###$. &'##$. %###$. !&#$ !%#$ !"#$. ()&)./-'. (g) 22-1. %###$. *+,-./012'. %#$. !"#$ ()&(-.,'. "#$. 3456789'. !%#$. !"#$. &'##$. (f) 20-3. !"#$%&()*+,'. !"#$%&)*+,-'. #$ &###$. '##$. ()&(-.,'. *+,-./012'. "#$. &#$. '##$. #$ !&#$. (e) 20-2. *+,-./01 2'. #$. #$. !"#$. (d) 20-1. %#$. &#$. ()&(-.,'. ()&(-.,'. "#$. 3456789'. !%#$. !"#$. !"#$. *+,-./012'. %#$ !"#$%&()*+,'. 3456789'. %#$. ()&)./-$. (b) 18-2. *+,-./012'. %###$. !"#$ ()&(-.,'. "#$. &(##$. !&#$ !%#$. !"#$. !"#$%&()*+,'. *+,-./012'. 3456789'. !%#$. !%#$. !"#$%&()*+,'. '#$. *+,-./012'. %#$ !"#$%&()*+,'. "#$ !"#$%&()*+,'. "#$. *+,-./012'. !"#$%&)*+,-'. &#$. (h) 22-2. ()&(-.,'. (i) 22-3. 4:. 3. 1. 90. 7.. c 2014 Information Processing Society of Japan !. 6.
(7) Vol.2014-UBI-43 No.13 2014/7/29. IPSJ SIG Technical Report. &#$. !"#$%&()*+,'. 456789:'. "#$ %#$. 3456789'. "#$ %#$ #$ #$. #$ #$. (##$. %###$. %(##$. "###$. '##$. %###$. 3456789'. 3456789'. %#$ "#$. "(##$. %###$. &#$. "#$. #$. '##$. "###$. "'##$. %###$. &#$. #$. '##$. "###$. !"#$%&()*+,'. "#$ %#$ #$ %(##$. "###$. "(##$. &###$. !%#$ !"#$. "'##$. %###$. %'##$. ()&(-.,'. (f) 16-3 &#$. *+,-./012' 3456789'. "#$. &#$. %###$. "#$. (e) 16-2. 3456789'. (##$. %#$. !"#$. (d) 16-1. #$. *+,-./012'. ()&(-.,'. *+,-./012'. %###$. #$. %'##$. !"#$ ()&)./-'. '#$. &'##$. 3456789'. %#$. %(##$. !"#$. (#$. &###$. (c) 11-3. #$. #$ "###$. '##$. ()&(-.,'. !"#$%&()*+,'. !"#$%&()*+,'. *+,-./012'. (##$. #$ !&#$. (b) 11-2. *+,-./012'. #$. #$. !"#$. &#$. &#$. &#$. ()&(-.,'. (a) 11-1 '#$. 3456789'. !%#$. ()*)./-'. !"#$%&)*+,-'. "###$. !"#$. !"#$. !"#$%&)*+,-'. %'##$. !%#$. !%#$. *+,-./012'. %#$. %#$ #$ #$. '##$. *+,-./012) 3456789). "#$. %###$. %'##$. "###$. !"#$%&()*+,$. !"#$%&)*+,-'. &#$. "#$. *+,-./012'. +,-./0123'. '#$. !"#$%&()*+,'. (#$. %#$ #$ #$. '##$. %###$. %'##$. "###$. "'##$. &###$. !%#$. !%#$. !"#$. !"#$ ()&)./-'. '(&(-.,). ()&(-.,'. (g) 21-1. (h) 21-2. (i) 21-3. 5: [3]. ,. ,. ,. ,. . [4]. R. 2. 0.7-0.9. RMSE. 4-6. [5]. [6]. . , Vol. 56, No. 2,. pp. 67–72, 2008. , . . , Vol. 22, No. 4, pp. 505–509, 2007. , , , , , , , , . . , Vol. 15, pp. 131–140, 2000. , , , , . . No. 10, pp. 1951–1962, 2004.. ,D-2, Vol. J87-D-2,. [7] [1]. , , .. ,. ,. ,. ,. . [2]. ,. ,. , ,. , ,. , ,. [8]. http://www.mhlw.go.jp/seisaku/09.html. , , , .. [9]. Vol.18 CS-3, pp. 135–140, 2013. , , ,. . VR. , pp. 1–8, 2012. , . .. . VR. , Vol. 2013-CVIM-186, No. 3, pp. 1–10, 2013.. c 2014 Information Processing Society of Japan !. . Vol.19. CS-1, pp. 27–32, 2014. [10]. .. .. 7.
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