JP2011087838A5 - - Google Patents
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- JP2011087838A5 JP2011087838A5 JP2009245198A JP2009245198A JP2011087838A5 JP 2011087838 A5 JP2011087838 A5 JP 2011087838A5 JP 2009245198 A JP2009245198 A JP 2009245198A JP 2009245198 A JP2009245198 A JP 2009245198A JP 2011087838 A5 JP2011087838 A5 JP 2011087838A5
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- pulsation
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Claims (8)
前記拍動信号とノイズ信号とが混在した脈波信号を検出して出力する脈波センサーと、
人体の体動に伴う体動信号を検出して出力する体動センサーと、
前記体動信号に基づいて適応フィルター処理によって前記脈波信号中の該ノイズ信号を除去した拍動信号を出力する体動影響成分フィルタリング部と、
前記脈波信号又は前記拍動信号の少なくとも一方に基づいて脈拍数を算出し、該脈拍数の特定の可否を判定する脈拍数算出判定部と、
を備えたことを特徴とする拍動検出装置。 A pulsation detection device for detecting a pulsation signal derived from the pulsation of a human body,
A pulse wave sensor that detects and outputs a pulse wave signal in which the pulsation signal and the noise signal are mixed; and
A body motion sensor that detects and outputs a body motion signal associated with the body motion of the human body;
A body motion effect component filtering unit that outputs a pulsation signal obtained by removing the noise signal in the pulse wave signal by adaptive filter processing based on the body motion signal;
Calculating a pulse rate based on at least one of the pulse wave signal or the pulsation signal, and determining a pulse rate calculation determining unit for determining whether the pulse rate is specific;
A pulsation detecting device comprising:
前記脈拍数算出判定部で前記脈拍数を特定できない場合、前記脈拍数算出判定部において前記脈波信号に基づいて脈拍数を算出することの可否を判定する脈波信号参照可否判定部をさらに備えることを特徴とする拍動検出装置。 In the pulsation detecting device according to claim 1,
When the pulse rate calculation determination unit cannot identify the pulse rate, the pulse rate calculation determination unit further includes a pulse wave signal reference availability determination unit that determines whether the pulse rate can be calculated based on the pulse wave signal. A pulsation detecting device characterized by that.
前記脈波信号参照可否判定部は、前記拍動信号の各周波数のパワースペクトル値が所定の閾値以下の場合、または前記脈波信号のパワースペクトル値の合計値より、前記拍動信号のパワースペクトル値の合計値が小さい場合、もしくは前記拍動信号の各周波数のパワースペクトル値のばらつきが所定の閾値以下の場合に、前記脈拍数算出判定部で前記脈波信号に基づいて脈拍数の算出を行うと判定することを特徴とする拍動検出装置。 In the pulsation detecting device according to claim 2,
The pulse wave signal reference determination unit determines whether the power spectrum of the pulsating signal is equal to or less than a predetermined threshold value or the total power spectrum value of the pulse wave signal When the sum of the values is small, or when the variation of the power spectrum value of each frequency of the pulsation signal is a predetermined threshold value or less , the pulse rate calculation determination unit calculates the pulse rate based on the pulse wave signal. A pulsation detecting device characterized in that it is determined to be performed.
前記脈拍数算出判定部は、前記脈波信号に基づいて脈拍数算出処理を行うにあたり、前回の脈拍数算出処理で得られた脈拍数を示すスペクトルの周波数と近いスペクトルを脈拍とすることを特徴とする拍動検出装置。 In the pulsation detection device according to any one of claims 1 to 3 ,
The pulse rate calculation determination unit, when performing the pulse rate calculation process based on the pulse wave signal, uses a spectrum close to the frequency of the spectrum indicating the pulse rate obtained in the previous pulse rate calculation process as a pulse. A pulsation detecting device.
前記コンピューターは、前記体動信号に基づいて適応フィルター処理によって前記脈波信号中の前記ノイズ信号を除去した拍動信号を出力する体動影響成分フィルタリングステップと、
前記脈波信号又は前記拍動信号の少なくとも一方に基づいて脈拍数を算出し、該脈拍数の特定の可否を判定する脈拍数算出判定ステップと、
を含むことを特徴とする拍動検出方法。 The pulsation of the human body is achieved by a computer equipped with a pulse wave sensor that detects a pulse wave signal in which a pulsation signal and a noise signal are mixed, and a body motion sensor that detects and outputs a body motion signal associated with the human body motion. A pulsation detection method for detecting a pulsation signal derived from
The computer outputs a pulsation signal obtained by removing the noise signal in the pulse wave signal by adaptive filter processing based on the body movement signal, and a body movement influence component filtering step;
Calculating a pulse rate based on at least one of the pulse wave signal or the pulsation signal, and a pulse rate calculation determining step for determining whether the pulse rate is specific;
The pulsation detection method characterized by including.
前記脈拍数算出判定ステップで前記脈拍数を特定できない場合、前記脈拍数算出判定ステップにおいて前記脈波信号に基づいて脈拍数を算出することの可否を判定する脈波信号参照可否判定ステップをさらに含むことを特徴とする拍動検出方法。 In the pulsation detection method according to claim 5 ,
When the pulse rate calculation determination step cannot identify the pulse rate, the pulse rate calculation determination step further includes a pulse wave signal reference determination step for determining whether or not the pulse rate can be calculated based on the pulse wave signal. A pulsation detection method characterized by the above.
前記脈波信号参照可否判定ステップでは、前記拍動信号の各周波数のパワースペクトル値が所定の閾値以下の場合、または前記脈波信号のパワースペクトル値の合計値より、前記拍動信号のパワースペクトル値の合計値が小さい場合、もしくは前記拍動信号の各周波数のパワースペクトル値のばらつきが所定の閾値以下の場合に、前記脈拍数算出ステップで前記脈波信号に基づいて脈拍数の算出を行うと判定することを特徴とする拍動検出方法。 In the pulsation detection method according to claim 6 ,
In the pulse wave signal reference determination step, when the power spectrum value of each frequency of the pulsating signal is equal to or less than a predetermined threshold , or the total value of the power spectrum values of the pulse wave signal, the power spectrum of the pulsating signal When the total value of the values is small, or when the variation of the power spectrum value of each frequency of the pulsation signal is not more than a predetermined threshold value , the pulse rate is calculated based on the pulse wave signal in the pulse rate calculation step. A pulsation detection method, characterized in that
前記脈拍数算出ステップでは、前記脈波信号に基づいて脈拍数算出処理を行うにあたり、前回の脈拍数算出処理で得られた脈拍数を示すスペクトルの周波数と近いスペクトルを
脈拍とすることを特徴とする拍動検出方法。 In beat detection method according to any one of claims 5-7,
In the pulse rate calculation step, when performing the pulse rate calculation process based on the pulse wave signal, a spectrum close to the frequency of the spectrum indicating the pulse rate obtained in the previous pulse rate calculation process is used as the pulse. How to detect beats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009245198A JP5471297B2 (en) | 2009-10-26 | 2009-10-26 | Pulsation detection device and pulsation detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009245198A JP5471297B2 (en) | 2009-10-26 | 2009-10-26 | Pulsation detection device and pulsation detection method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011087838A JP2011087838A (en) | 2011-05-06 |
| JP2011087838A5 true JP2011087838A5 (en) | 2012-11-22 |
| JP5471297B2 JP5471297B2 (en) | 2014-04-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5605269B2 (en) | 2011-02-28 | 2014-10-15 | セイコーエプソン株式会社 | Beat detector |
| JP5716466B2 (en) | 2011-03-10 | 2015-05-13 | セイコーエプソン株式会社 | Filter device and pulsation detection device |
| FR3001625B1 (en) * | 2013-02-05 | 2015-02-20 | Chru Lille | METHOD FOR MEASURING A PHYSIOLOGICAL PARAMETER SUCH AS A BIOLOGICAL RHYTHM. DEVICE FOR MEASURING A PHYSIOLOGICAL PARAMETER FOR CARRYING OUT SAID METHOD |
| JP7327417B2 (en) * | 2019-02-01 | 2023-08-16 | 日本電気株式会社 | State estimation device, state estimation method, and program |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3523978B2 (en) * | 1997-03-18 | 2004-04-26 | セイコーエプソン株式会社 | Pulse meter |
| JPH11276448A (en) * | 1998-03-31 | 1999-10-12 | Seiko Epson Corp | Signal extract device and signal extract method |
| JP2001008908A (en) * | 1999-06-28 | 2001-01-16 | Omron Corp | Electric sphygmomanometer |
| JP4438629B2 (en) * | 2003-03-19 | 2010-03-24 | セイコーエプソン株式会社 | Pulse meter, pulse meter control method, wristwatch type information device, control program, and recording medium |
| JP4345459B2 (en) * | 2003-12-01 | 2009-10-14 | 株式会社デンソー | Biological condition detection device |
| JP4848616B2 (en) * | 2004-01-15 | 2011-12-28 | セイコーエプソン株式会社 | Biological information analyzer |
| JP5076962B2 (en) * | 2008-02-25 | 2012-11-21 | セイコーエプソン株式会社 | Biological information processing apparatus, control method and control program for biological information processing apparatus |
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