JP2011149923A5 - - Google Patents
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- JP2011149923A5 JP2011149923A5 JP2010216620A JP2010216620A JP2011149923A5 JP 2011149923 A5 JP2011149923 A5 JP 2011149923A5 JP 2010216620 A JP2010216620 A JP 2010216620A JP 2010216620 A JP2010216620 A JP 2010216620A JP 2011149923 A5 JP2011149923 A5 JP 2011149923A5
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- acceleration
- stride
- wearer
- calculation method
- walking direction
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Claims (7)
検出された前記加速度が大きくなるほど歩幅を大きくする当該加速度と歩幅との相関度合を前記装着者の速度に基づいて変更して、検出された前記加速度を用いて歩幅を推測することと、
ジャイロセンサーを用いて前記装着者の歩行方向を推測することと、
推測された前記歩幅及び前記歩行方向を用いて、前記装着者の移動軌跡を算出することと、
を含む移動軌跡算出方法。 Detecting the acceleration of the wearer 's vertical movement;
Changing the degree of correlation between the acceleration and the stride, which increases the stride as the detected acceleration increases, based on the speed of the wearer, and estimating the stride using the detected acceleration;
Estimating the walking direction of the wearer using a gyro sensor;
Calculating the trajectory of the wearer using the estimated stride and the walking direction;
A movement trajectory calculation method including:
前記ジャイロセンサーの検出結果から低周波成分を抽出することと、 Extracting a low frequency component from the detection result of the gyro sensor;
前記装着者の速度に応じて、当該抽出する周波数帯域を変更することと、 Changing the extracted frequency band according to the speed of the wearer;
前記抽出された前記ジャイロセンサーの低周波成分の検出結果を用いて、前記歩行方向を推測することと、 Using the extracted low frequency component detection result of the gyro sensor to estimate the walking direction;
を含む請求項１に記載の移動軌跡算出方法。 The movement trajectory calculation method according to claim 1 including:
請求項１または２に記載の移動軌跡算出方法。 Including changing the degree of correlation so that the rate of change in stride with respect to change in acceleration decreases as the speed of the wearer increases.
Moving path calculation method according to claim 1 or 2.
請求項１〜３の何れか一項に記載の移動軌跡算出方法。 The inference is to infer a stride using a correlation model expression between the acceleration and the stride using the correlation degree.
The movement trajectory calculation method according to any one of claims 1 to 3 .
前記推測することは、当該抽出された低周波成分の前記加速度を用いて歩幅を推測することである、
請求項１〜４の何れか一項に記載の移動軌跡算出方法。 Further comprising extracting a low frequency component from the detected acceleration,
It is to guess the stride using the acceleration of the low frequency component which is the extraction of the guess,
The movement locus calculation method according to any one of claims 1 to 4 .
請求項５に記載の移動軌跡算出方法。 Changing a frequency band of a low frequency component extracted from the acceleration according to the speed of the wearer ,
The movement trajectory calculation method according to claim 5 .
前記加速度検出部により検出された前記加速度が大きくなるほど歩幅を大きくする当該加速度と歩幅との相関度合を前記装着者の速度に基づいて変更して、検出された前記加速度を用いて歩幅を推測する歩幅推測部と、
ジャイロセンサーを用いて前記装着者の歩行方向を推測する方向推測部と、
推測された前記歩幅及び前記歩行方向を用いて、前記装着者の移動軌跡を算出する算出部と、
を備えた移動軌跡算出装置。 An acceleration detector for detecting the acceleration of the wearer 's vertical movement;
Based on the wearer 's speed, the stride is estimated using the detected acceleration by changing the degree of correlation between the acceleration and the stride, which increases the stride as the acceleration detected by the acceleration detector increases. A stride estimation section;
A direction estimating unit that estimates the walking direction of the wearer using a gyro sensor;
Using the estimated stride and the walking direction, a calculation unit that calculates the movement trajectory of the wearer;
A movement trajectory calculation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010216620A JP5413345B2 (en) | 2010-09-28 | 2010-09-28 | Moving track calculation method and moving track calculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010216620A JP5413345B2 (en) | 2010-09-28 | 2010-09-28 | Moving track calculation method and moving track calculation device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010008809A Division JP4877395B2 (en) | 2010-01-19 | 2010-01-19 | Stride estimation method and stride estimation apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013235707A Division JP5621899B2 (en) | 2013-11-14 | 2013-11-14 | Electronics |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011149923A JP2011149923A (en) | 2011-08-04 |
| JP2011149923A5 true JP2011149923A5 (en) | 2011-11-04 |
| JP5413345B2 JP5413345B2 (en) | 2014-02-12 |
Family
ID=44537020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010216620A Active JP5413345B2 (en) | 2010-09-28 | 2010-09-28 | Moving track calculation method and moving track calculation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5413345B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5957906B2 (en) * | 2012-01-25 | 2016-07-27 | 富士通株式会社 | Detection apparatus, detection program, and detection method |
| JP5853742B2 (en) * | 2012-02-07 | 2016-02-09 | セイコーエプソン株式会社 | Status detection device, electronic device, and program |
| US10302434B2 (en) | 2012-11-20 | 2019-05-28 | CSR Technology, Inc. | Method and apparatus for determining walking direction for a pedestrian dead reckoning process |
| JP6083279B2 (en) | 2013-03-25 | 2017-02-22 | セイコーエプソン株式会社 | Movement status information calculation method and movement status information calculation device |
| JP6496996B2 (en) * | 2013-11-05 | 2019-04-10 | セイコーエプソン株式会社 | Exercise quantity calculation method, exercise quantity calculation device, and portable device |
| WO2015107853A1 (en) | 2014-01-14 | 2015-07-23 | 旭化成株式会社 | Travel direction information output device, map matching device, travel direction information output method, and program |
| JP2015184159A (en) * | 2014-03-25 | 2015-10-22 | セイコーエプソン株式会社 | Correlation coefficient correction method, motion analysis method, correlation coefficient correction device, and program |
| CN109115207B (en) * | 2017-06-23 | 2021-06-04 | 北京方位捷讯科技有限公司 | Pedestrian walking track detection method, device and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5583776A (en) * | 1995-03-16 | 1996-12-10 | Point Research Corporation | Dead reckoning navigational system using accelerometer to measure foot impacts |
| JP3915654B2 (en) * | 2002-10-18 | 2007-05-16 | 株式会社日立製作所 | Indoor position detection apparatus and indoor position detection method |
| JP2007163297A (en) * | 2005-12-14 | 2007-06-28 | Hitachi Ltd | Positioning terminal |
| JP2007187673A (en) * | 2007-02-23 | 2007-07-26 | Hitachi Ltd | Method and system for detecting moving direction of moving body |
| JP5117123B2 (en) * | 2007-06-23 | 2013-01-09 | 株式会社タニタ | Walking evaluation system, pedometer, walking evaluation program, and recording medium |
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2010
- 2010-09-28 JP JP2010216620A patent/JP5413345B2/en active Active
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