公开(公告)号：US08175692B2

公开(公告)日：2012-05-08

申请号：US11814230

申请日：2005-12-22

申请人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Shinichi Chida ,  Kunihiro Okamura ,  Michiyoshi Sato ,  Takuya Ito ,  Takayuki Shimazaki ,  Junichi Sugawara ,  Masato Senoo

发明人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Shinichi Chida ,  Kunihiro Okamura ,  Michiyoshi Sato ,  Takuya Ito ,  Takayuki Shimazaki ,  Junichi Sugawara ,  Masato Senoo

IPC分类号： A61B5/0444

CPC分类号： A61B5/0444 ,  A61B5/4362 ,  A61B8/08

摘要： An electrocardiogram signal processing method and device for extracting a fetus electrocardiogram signal included in a biopotential signal detected from an electrode attached to a mother's body is provided. The electrocardiogram signal processing method for extracting an electrocardiogram signal of a fetus (1b) from a biopotential signal containing electrocardiogram signals of the mother's body (1) and a fetus (1b) inputted through an electrode (E) attached to the mother's body (1) during pregnancy, comprises a reference signal generating step 4 of generating a reference signal for separating/extracting a fetus electrocardiogram signal of a specified induction type according to a beat rate signal inputted from a sensor (S) for detecting the beat rate of the fetus (1b) and a fetus electrocardiogram signal extracting step 5 of separating/extracting the fetus electrocardiogram signal of the specified induction type from the biopotential signal inputted through an electrode (E) according to the reference signal generated at reference signal generating step 4 by a reference system independent component analyzing method.

摘要翻译： 提供一种心电图信号处理方法和装置，用于提取包含在从附着于母体的电极检测到的生物电位信号中的胎儿心电图信号。 1.一种心电图信号处理方法，用于从包含母体（1）​​的心电图信号的生物电位信号和通过安装在母体（1）​​上的电极（E））输入的胎儿（1b）提取胎儿（1b）的心电图信号 ）包括：参考信号生成步骤4，根据从用于检测胎儿的跳动率的传感器（S）输入的拍频信号，生成用于分离/提取特定感应型的胎儿心电图信号的参考信号 （1b）和胎儿心电图信号提取步骤5，其根据通过参考信号生成步骤4生成的参考信号通过参考电极（E）从通过电极（E）输入的生物电位信号中分离/提取指定感应型的胎儿心电图信号 系统独立分量分析方法。

公开(公告)号：US08116857B2

公开(公告)日：2012-02-14

申请号：US12065645

申请日：2006-08-22

申请人： Yoshitaka Kimura ,  Shinichi Chida ,  Mitsuyuki Nakao ,  Kunihiro Okamura ,  Takuya Ito

发明人： Yoshitaka Kimura ,  Shinichi Chida ,  Mitsuyuki Nakao ,  Kunihiro Okamura ,  Takuya Ito

IPC分类号： A61B5/0444

CPC分类号： A61B5/0452 ,  A61B5/0444 ,  A61B5/4362 ,  A61B5/7203 ,  G06K9/0051 ,  G06K9/00557

摘要： There is provided a non-linear signal separation method using the non-linear state space projection method capable of separating an effective non-linear signal even if the S/N ratio is low by performing the time domain high speed non-linear state space projection when a signal is a multi-channel signal and has a periodicity. In the non-linear signal separation method using the non-linear state space projection method, an original signal having a complex signal which is a multi-channel and cyclic signal measured from one phenomenon is processed by using the time domain high-speed non-linear state space projection method so as to estimate a noise in the original signal and subtract the estimated noise from the original signal, thereby separating the signal to be measured in the original signal as a non-linear signal even when the S/N ratio is low.

摘要翻译： 提供了一种使用非线性状态空间投影方法的非线性信号分离方法，其能够通过执行时域高速非线性状态空间投影来分离有效非线性信号，即使S / N比低 当信号是多声道信号并具有周期性时。 在使用非线性状态空间投影方法的非线性信号分离方法中，通过使用时域高速非线性处理来处理具有从一种现象测量的多通道和循环信号的复信号的原始信号， 线性状态空间投影方法，以便估计原始信号中的噪声并从原始信号中减去估计的噪声，从而即使当S / N比为0时将原始信号中待测量的信号分离为非线性信号 低。

公开(公告)号：US20080146953A1

公开(公告)日：2008-06-19

申请号：US11814230

申请日：2005-12-22

申请人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Shinichi Chida ,  Kunihiro Okamura ,  Michiyoshi Sato ,  Takuya Ito ,  Takayuki Shimazaki ,  Junichi Sugawara ,  Masato Senoo

发明人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Shinichi Chida ,  Kunihiro Okamura ,  Michiyoshi Sato ,  Takuya Ito ,  Takayuki Shimazaki ,  Junichi Sugawara ,  Masato Senoo

IPC分类号： A61B5/04

CPC分类号： A61B5/0444 ,  A61B5/4362 ,  A61B8/08

摘要： [PROBLEMS] An electrocardiogram signal processing method for extracting a fetus electrocardiogram signal included in a biopotential signal detected from an electrode attached to a mother's body.[MEANS FOR SOLVING PROBLEMS] An electrocardiogram signal processing method for extracting an electrocardiogram signal of a fetus (1b) from a biopotential signal containing electrocardiogram signals of the mother's body (1) and a fetus (1b) inputted through an electrode (E) attached to the mother's body (1) during pregnancy, characterized by comprising reference signal generating step 4 of generating a reference signal for separating/extracting a fetus electrocardiogram signal of a specified induction type according to a beat rate signal inputted from a sensor (S) for detecting the beat rate of the fetus (1b) and a fetus electrocardiogram signal extracting step 5 of separating/extracting the fetus electrocardiogram signal of the specified induction type from the biopotential signal inputted through an electrode (E) according to the reference signal generated at reference signal generating step 4 by a reference system independent component analyzing method.

摘要翻译： 【问题】一种心电图信号处理方法，用于提取从附着于母体的电极检测出的生物电位信号中包含的胎儿心电图信号。 解决问题的手段一种心电图信号处理方法，用于从包含通过电极（E）输入的母体（1）​​和胎儿（1b）的心电图信号的生物电位信号中提取胎儿的心电图信号（1b） ），其特征在于包括：参考信号产生步骤4，根据从传感器（S（S））输入的拍频信号产生用于分离/提取指定感应型的胎儿心电图信号的参考信号 ）和用于根据参考信号从通过电极（E）输入的生物电位信号中分离/提取所述特定感应型的胎儿心电图信号的胎儿心电图信号提取步骤5; 通过参考系统独立分量分析方法在参考信号生成步骤4中产生。

公开(公告)号：US20090270713A1

公开(公告)日：2009-10-29

申请号：US12065645

申请日：2006-08-22

申请人： Yoshitaka Kimura ,  Shinichi Chida ,  Mitsuyuki Nakao ,  Kunihiro Okamura ,  Takuya Ito

发明人： Yoshitaka Kimura ,  Shinichi Chida ,  Mitsuyuki Nakao ,  Kunihiro Okamura ,  Takuya Ito

IPC分类号： A61B5/055 ,  A61B5/0444 ,  A61B5/0476

CPC分类号： A61B5/0452 ,  A61B5/0444 ,  A61B5/4362 ,  A61B5/7203 ,  G06K9/0051 ,  G06K9/00557

摘要： There is provided a non-linear signal separation method using the non-linear state space projection method capable of separating an effective non-linear signal even if the S/N ratio is low by performing the time domain high speed non-linear state space projection when a signal is a multi-channel signal and has a periodicity. In the non-linear signal separation method using the non-linear state space projection method, an original signal having a complex signal which is a multi-channel and cyclic signal measured from one phenomenon is processed by using the time domain high-speed non-linear state space projection method so as to estimate a noise in the original signal and subtract the estimated noise from the original signal, thereby separating the signal to be measured in the original signal as a non-linear signal even when the S/N ratio is low.

摘要翻译： 提供了一种使用非线性状态空间投影方法的非线性信号分离方法，其能够通过执行时域高速非线性状态空间投影来分离有效非线性信号，即使S / N比低 当信号是多声道信号并具有周期性时。 在使用非线性状态空间投影方法的非线性信号分离方法中，通过使用时域高速非线性处理来处理具有从一种现象测量的多通道和循环信号的复信号的原始信号， 线性状态空间投影方法，以便估计原始信号中的噪声并从原始信号中减去估计的噪声，从而即使当S / N比为0时将原始信号中待测量的信号分离为非线性信号 低。

公开(公告)号：US08808192B2

公开(公告)日：2014-08-19

申请号：US13496586

申请日：2010-09-17

申请人： Yoshitaka Kimura ,  Nobuo Yaegashi ,  Mitsuyuki Nakao ,  Takuya Ito

发明人： Yoshitaka Kimura ,  Nobuo Yaegashi ,  Mitsuyuki Nakao ,  Takuya Ito

IPC分类号： A61B5/02

CPC分类号： A61B5/0444 ,  A61B5/02411 ,  A61B5/0488 ,  A61B5/4362 ,  A61B7/00 ,  A61B7/04

摘要： A signal extracting apparatus is provided based on independent component analysis with reference for a single measured signal as a signal processing technique that allows stable and quick extraction of a target signal from single measured signal even in a high-noise environment with a high noise ratio against a target signal to be extracted. The signal extracting apparatus includes: a single-signal measuring unit to measure a measured signal as a single time-series signal containing a target signal obtained by measurement by a single channel; a reference signal creating unit (2) to create a reference signal provided with timing-axis information based on the time-series signal obtained by the single-signal measuring unit; and a main processing unit (5) to perform independent component analysis with reference for a single measured signal by capturing the reference signal obtained by the reference signal creating unit (2) and providing the timing-axis information for an algorithm in a reference system to extract an independent component.

摘要翻译： 基于独立分量分析提供信号提取装置，作为信号处理技术的单个测量信号的参考，即使在具有高噪声比的高噪声环境中也允许从单个测量信号稳定和快速地提取目标信号 要提取的目标信号。 信号提取装置包括：单个信号测量单元，用于测量测量信号作为包含通过单个信道测量获得的目标信号的单个时间序列信号; 参考信号生成单元，基于由单个信号测量单元获得的时间序列信号，产生具有定时轴信息的参考信号; 以及主处理单元（5），通过捕获由参考信号生成单元（2）获得的参考信号，通过参考单个测量信号来执行独立分量分析，并将参考系统中的算法的定时轴信息提供给 提取独立组件。

公开(公告)号：US20100076330A1

公开(公告)日：2010-03-25

申请号：US12524000

申请日：2008-01-22

申请人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Takuya Ito ,  Kazunari Ohwada

发明人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Takuya Ito ,  Kazunari Ohwada

IPC分类号： A61B5/0444

CPC分类号： A61B5/0444 ,  A61B5/4362

摘要： Disclosed are a fetus electrocardiogram signal measuring method and its device that are capable of measuring the electrocardiogram signals of a fetus even during fetus movements and even at a gestational age during which the measurement current is weak, without the need for reattaching the electrodes and providing any shield room, even if the mother is a hospitalized or ambulant pregnant woman. The fetus electrocardiogram signal measuring device includes (1) high input impedance electrodes, (2) region-variable ground electrodes, and (3) a differential amplifier circuit and an optimization computing section.

摘要翻译： 公开了胎儿心电图信号测量方法及其装置，其能够即使在胎儿运动期间甚至在测量电流较弱的胎龄期间也可以测量胎儿的心电图信号，而不需要重新连接电极并提供任何 屏蔽室，即使母亲是住院或动员的孕妇。 胎儿心电图信号测量装置包括（1）高输入阻抗电极，（2）区域可变接地电极，以及（3）差分放大器电路和优化计算部分。

公开(公告)号：US08340748B2

公开(公告)日：2012-12-25

申请号：US12524000

申请日：2008-01-22

申请人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Takuya Ito ,  Kazunari Ohwada

发明人： Yoshitaka Kimura ,  Mitsuyuki Nakao ,  Takuya Ito ,  Kazunari Ohwada

IPC分类号： A61B5/02 ,  A61B5/04

CPC分类号： A61B5/0444 ,  A61B5/4362

摘要： Disclosed are a fetus electrocardiogram signal measuring method and its device that are capable of measuring the electrocardiogram signals of a fetus even during fetus movements and even at a gestational age during which the measurement current is weak, without the need for reattaching the electrodes and providing any shield room, even if the mother is a hospitalized or ambulant pregnant woman. The fetus electrocardiogram signal measuring device includes (1) high input impedance electrodes, (2) region-variable ground electrodes, and (3) a differential amplifier circuit and an optimization computing section.

摘要翻译： 公开了胎儿心电图信号测量方法及其装置，其能够即使在胎儿运动期间甚至在测量电流较弱的胎龄期间也可以测量胎儿的心电图信号，而不需要重新连接电极并提供任何 屏蔽室，即使母亲是住院或动员的孕妇。 胎儿心电图信号测量装置包括（1）高输入阻抗电极，（2）区域可变接地电极，以及（3）差分放大器电路和优化计算部分。

公开(公告)号：US20120232418A1

公开(公告)日：2012-09-13

申请号：US13496586

申请日：2010-09-17

申请人： Yoshitaka Kimura ,  Nobuo Yaegashi ,  Mitsuyuki Nakao ,  Takuya Ito

发明人： Yoshitaka Kimura ,  Nobuo Yaegashi ,  Mitsuyuki Nakao ,  Takuya Ito

IPC分类号： A61B7/00 ,  H04B1/10

CPC分类号： A61B5/0444 ,  A61B5/02411 ,  A61B5/0488 ,  A61B5/4362 ,  A61B7/00 ,  A61B7/04

摘要： A signal extracting apparatus is provided based on independent component analysis with reference for a single measured signal as a signal processing technique that allows stable and quick extraction of a target signal from single measured signal even in a high-noise environment with a high noise ratio against a target signal to be extracted. The signal extracting apparatus includes: a single-signal measuring unit to measure a measured signal as a single time-series signal containing a target signal obtained by measurement by a single channel; a reference signal creating unit (2) to create a reference signal provided with timing-axis information based on the time-series signal obtained by the single-signal measuring unit; and a main processing unit (5) to perform independent component analysis with reference for a single measured signal by capturing the reference signal obtained by the reference signal creating unit (2) and providing the timing-axis information for an algorithm in a reference system to extract an independent component.

摘要翻译： 基于独立分量分析提供信号提取装置，作为信号处理技术的单个测量信号的参考，即使在具有高噪声比的高噪声环境中也允许从单个测量信号稳定和快速地提取目标信号 要提取的目标信号。 信号提取装置包括：单个信号测量单元，用于测量测量信号作为包含通过单个信道测量获得的目标信号的单个时间序列信号; 参考信号生成单元，基于由单个信号测量单元获得的时间序列信号，产生具有定时轴信息的参考信号; 以及主处理单元（5），通过捕获由参考信号生成单元（2）获得的参考信号，通过参考单个测量信号来执行独立分量分析，并将参考系统中的算法的定时轴信息提供给 提取独立组件。