公开(公告)号：US10226198B2

公开(公告)日：2019-03-12

申请号：US13224452

申请日：2011-09-02

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/0478 ,  A61B5/048 ,  A61B5/04 ,  A61B5/00

摘要： An electrode attachment state determination system includes: an electroencephalogram measurement section for measuring an electroencephalogram signal of a user by using at least one set of electrodes including a ground electrode, a reference electrode, and a measurement electrode; a frequency analysis section for performing a frequency analysis of the electroencephalogram signal; an insufficient electrode determination section for extracting at least one parameter of a total frequency power and a noise amount from a result of the frequency analysis, and through a comparison of a value of the parameter against a predetermined threshold value, determining whether the ground electrode, the reference electrode, or the measurement electrode has an insufficient state of attachment; and an output section for, when an insufficient state of attachment is determined, presenting information indicating the insufficient state of electrode attachment to the user.

公开(公告)号：US08818498B2

公开(公告)日：2014-08-26

申请号：US12955016

申请日：2010-11-29

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/04

CPC分类号： A61B5/6803 ,  A61B5/04012 ,  A61B5/0478 ,  A61B5/04842 ,  A61B5/1103 ,  G06F3/015 ,  G06F19/00

摘要： An eyeglass-type electroencephalogram interface system is worn on the head of a user. The system includes: an output section for presenting a visual stimulation to the user; an ear electrode portion disposed at a position coming in contact with an ear of the user when the system is worn; a facial electrode portion disposed at a position coming in contact with the face below a straight line connecting an external canthus and an internal canthus of an eye of the user, such that the mass of the system is supported at the position, when the system is worn; and an electroencephalogram measurement and determination section for measuring an event-related potential on the basis of a potential difference between the ear electrode portion and the facial electrode portion based on the visual stimulation being presented by the output section as a starting point.

摘要翻译： 眼用脑电图接口系统佩戴在使用者头上。 该系统包括：用于向用户呈现视觉刺激的输出部分; 耳部电极部，设置在与使用者的耳朵接触的位置，当系统被佩戴时; 面部电极部，其设置在与使用者的眼睛的外部凹部和内部凹部连接的直线下方与面接触的位置，使得当系统的质量被支撑在该位置时，系统为 磨损 以及脑波测量和确定部分，用于基于由输出部分呈现的视觉刺激作为起始点，基于耳朵电极部分和面部电极部分之间的电位差来测量事件相关电位。

公开(公告)号：US08473045B2

公开(公告)日：2013-06-25

申请号：US12716425

申请日：2010-03-03

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/04

CPC分类号： A61B5/04842 ,  A61B5/6814 ,  A61B5/7203 ,  A61B5/7207 ,  A61B5/726 ,  A61B5/7475 ,  G06F3/015

摘要： The control method for a device includes steps of: presenting a visual stimulation concerning a manipulation menu for a device; measuring event-related potentials after the visual stimulation is presented, where event-related potentials based on a timing of presenting the visual stimulation as a starting point are measured from a potential difference between each of electrodes and at least one reference electrode respectively worn on a face and in an ear periphery of a user; from each of the measured event-related potentials, extracting electroencephalogram data which is at 5 Hz or less and contains a predetermined time section, and combining the extracted electroencephalogram data into electroencephalogram characteristic data; comparing the electroencephalogram characteristic data against reference data prepared in advance for determining a desire to select an item in the manipulation menu; and, based on a comparison result, executing a manipulation of the device corresponding to the item.

摘要翻译： 装置的控制方法包括以下步骤：呈现关于装置的操纵菜单的视觉刺激; 在视觉刺激之后测量事件相关电位，其中基于将视觉刺激呈现为起始点的时间的事件相关电位是从每个电极和至少一个分别穿在 面部和在使用者的耳朵外围; 从每个所测量的事件相关电位，提取5Hz或更小的脑波数据并且包含预定的时间段，并将提取的脑电图数据组合成脑电波特征数据; 将脑电波特征数据与预先准备的用于确定在操作菜单中选择项目的愿望的参考数据进行比较; 并且基于比较结果，执行对应于该项目的设备的操纵。

公开(公告)号：US09078725B2

公开(公告)日：2015-07-14

申请号：US13305916

申请日：2011-11-29

申请人： Koji Morikawa ,  Yoshihisa Terada

发明人： Koji Morikawa ,  Yoshihisa Terada

IPC分类号： G06N5/04 ,  A61F4/00 ,  G06F3/01 ,  A61B5/0484

CPC分类号： A61F4/00 ,  A61B5/04842 ,  A61B2218/00 ,  G06F3/015 ,  G06N5/04

摘要： An electroencephalogram interface system includes: a presentation section for presenting multiple options to a user, the multiple options being manipulable items concerning manipulations of a device; a selection flicker control section for flickering each option; an inference section for inferring one option corresponding to a desired manipulation of the user by utilizing an event-related potential of an electroencephalogram of the user, the event-related potential being based on the flickering of each option as a starting point; a confirmation flicker control section for effecting confirmation flickering of the one option inferred; a determination section for determining whether the inferred option corresponds to the desired manipulation of the user by utilizing an event-related potential of the user's electroencephalogram, the event-related potential being based on the confirmation flickering of the one option as a starting point; and an output section for executing a process which is in accordance with the determined result.

摘要翻译： 脑电波接口系统包括：呈现部分，用于向用户呈现多个选项，所述多个选项是涉及操纵设备的可操作项目; 选择闪烁控制部分，用于闪烁每个选项; 推断部分，用于通过利用用户的脑电图的事件相关电位来推断与用户期望的操纵相对应的一个选项，所述事件相关电位基于每个选项的闪烁作为起始点; 确认闪烁控制部分，用于实现推断的一个选项的确认闪烁; 确定部分，用于通过利用用户脑电图的事件相关电位来确定所推断的选项是否对应于用户的期望的操纵，事件相关的电位基于一个选项的确认闪烁作为起始点; 以及输出部，用于执行与确定结果相符的处理。

公开(公告)号：US08730326B2

公开(公告)日：2014-05-20

申请号：US13192818

申请日：2011-07-28

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： H04N7/18

CPC分类号： G06K9/00845 ,  A61B1/041 ,  A61B5/0006 ,  A61B5/04004 ,  A61B5/0476 ,  A61B5/04842 ,  A61B5/18 ,  A61B5/4035 ,  A61B5/6814 ,  A61B2503/22 ,  B60R1/00 ,  G01B11/022 ,  G08B21/02 ,  H04N7/181

摘要： A driving attention amount determination apparatus includes: an electroencephalogram measurement section for measuring an electroencephalogram signal of a driver; a central stimulation presentation section for presenting a visual stimulation in a central visual field of the driver; a peripheral stimulation presentation section for presenting a visual stimulation in a peripheral visual field of the driver; a threshold setting section for setting a determination threshold for attention amount determination from a distribution of amplitude of an event-related potential in the electroencephalogram signal based on a point of presenting the stimulation in the central visual field as a starting point; and an attention amount determination section for determining an attention amount through a comparison between the determination threshold and an amplitude of an event-related potential in the electroencephalogram signal based on a point of presenting the stimulation in the peripheral visual field as a starting point.

摘要翻译： 驾驶注意量确定装置包括：脑波测量部分，用于测量驾驶员的脑波信号; 中央刺激呈现部分，用于在驾驶员的中央视野中呈现视觉刺激; 用于在驾驶员的周边视野中呈现视觉刺激的外围刺激呈现部分; 阈值设定部，其基于将所述中心视野中的刺激的点作为起点，根据所述脑电波信号中的事件相关电位的振幅的分布来设定所述关注度判定的判定阈值; 以及注视量确定部分，用于通过基于在周边视野中呈现刺激的点作为起始点，通过比较确定阈值和脑波信号中的事件相关电位的幅度来确定注意力量。

公开(公告)号：US08369939B2

公开(公告)日：2013-02-05

申请号：US12447718

申请日：2008-10-21

申请人： Yoshihisa Terada ,  Shinobu Adachi ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Shinobu Adachi ,  Koji Morikawa

IPC分类号： A61B5/04

CPC分类号： G06F3/015 ,  A61B5/04842

摘要： An electroencephalogram IF system includes an electroencephalogram measurement section for measuring an electroencephalogram signal, a function control section for analyzing an event-related potential contained in the electroencephalogram signal and outputting a function control signal for controlling a function of a device based on the result of analysis, and an output section for outputting the function control signal. The activation apparatus includes: an activation determination section for, while the electroencephalogram IF system is not functioning, transmitting to the output section a stimulation control signal for controlling presentation and vanishing of a visual stimulation on a single-item on the output section and, within the electroencephalogram signal acquired from the electroencephalogram measurement section, allowing a P200 component value of an event-related potential since the timing of presenting the visual stimulation as a starting point to be compared against a predetermined threshold value, and determining whether or not to output an activation trigger to the function control section based on the result of comparison; and a stimulation attention determination section for determining whether or not the user is paying attention to the visual stimulation based on an N100 component of the event-related potential since the timing of presenting the visual stimulation as a starting point, and causing processing by the activation determination section to begin depending on the determination result. When the activation determination section outputs an activation trigger, the electroencephalogram IF system is activated.

摘要翻译： 脑波图IF系统包括脑电波信号的脑波测量部分，功能控制部分，用于分析脑波信号中包含的事件相关电位，并根据分析结果输出用于控制器件功能的功能控制信号 以及用于输出功能控制信号的输出部分。 激活装置包括：启动确定部，用于在脑电图IF系统不起作用的同时，向输出部发送刺激控制信号，用于控制对输出部分上的单个物品的视觉刺激的呈现和消失， 从脑电波测量部获取的脑电波信号，从将视觉刺激的定时作为起始点与预定阈值进行比较，允许事件相关电位的P200分量值，并且确定是否输出 基于比较结果对功能控制部分进行激活触发; 以及刺激注意力确定部分，用于基于事件相关电位的N100分量来确定用户是否注意视觉刺激，因为从呈现视觉刺激的定时为起点，并且通过激活进行处理 决定部分根据确定结果开始。 当激活确定部分输出激活触发时，激活脑电图IF系统。

公开(公告)号：US08239015B2

公开(公告)日：2012-08-07

申请号：US12793263

申请日：2010-06-03

申请人： Koji Morikawa ,  Toru Nakada ,  Yoshihisa Terada

发明人： Koji Morikawa ,  Toru Nakada ,  Yoshihisa Terada

IPC分类号： A61B5/04

CPC分类号： A61B5/048 ,  A61B5/18 ,  A61B5/7264 ,  G08B21/06

摘要： The distraction detection apparatus includes: an electroencephalogram detection section for detecting an electroencephalogram signal of a driver; an arousal level estimation section for retaining a first rule of mapping parameter values of an electroencephalogram signal to arousal levels, and estimating an arousal level based on the detected electroencephalogram signal and the first rule; an attention allocation estimation section for retaining a second rule of mapping parameter values of an electroencephalogram signal to attention allocations, and estimating an attention allocation based on the detected electroencephalogram signal and the second rule; a driver state estimation section for retaining a third rule of deriving an amount of attention from an arousal level and an attention allocation, estimating an amount of attention of the driver paid to driving based on the estimated arousal level and attention allocation and the third rule, and classifying a state of the driver into a normal state, a state of reduced attention, or a state of reduced arousal level; and an output section for performing an intervention for the driver based on a result of classification by the driver state classification section.

摘要翻译： 牵引检测装置包括：脑波检测部，其检测驾驶员的脑波信号; 唤醒级别估计部分，用于保持将脑波信号的参数值映射到觉醒水平的第一规则，以及基于检测到的脑波信号和第一规则来估计觉醒水平; 注意分配估计部分，用于保持将脑电图信号的参数值映射到注意分配的第二规则，以及基于检测到的脑波信号和第二规则估计注意力分配; 驾驶员状态估计部，用于保持从觉醒水平和注意力分配导出关注度的第三规则，基于估计的觉醒水平和注意力分配以及第三规则来估计支付驾驶的驾驶员的关注度， 将驾驶员的状态分类为正常状态，注意力下降的状态或唤醒水平降低的状态; 以及输出部，其基于驾驶员状态分类部的分类结果对驾驶者进行干预。

公开(公告)号：US20110071416A1

公开(公告)日：2011-03-24

申请号：US12955016

申请日：2010-11-29

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/0476

CPC分类号： A61B5/6803 ,  A61B5/04012 ,  A61B5/0478 ,  A61B5/04842 ,  A61B5/1103 ,  G06F3/015 ,  G06F19/00

摘要： An eyeglass-type electroencephalogram interface system is worn on the head of a user. The system includes: an output section for presenting a visual stimulation to the user; an ear electrode portion disposed at a position coming in contact with an ear of the user when the system is worn; a facial electrode portion disposed at a position coming in contact with the face below a straight line connecting an external canthus and an internal canthus of an eye of the user, such that the mass of the system is supported at the position, when the system is worn; and an electroencephalogram measurement and determination section for measuring an event-related potential on the basis of a potential difference between the ear electrode portion and the facial electrode portion based on the visual stimulation being presented by the output section as a starting point.

摘要翻译： 眼用脑电图接口系统佩戴在使用者头上。 该系统包括：用于向用户呈现视觉刺激的输出部分; 耳部电极部，设置在与使用者的耳朵接触的位置，当系统被佩戴时; 面部电极部，其设置在与使用者的眼睛的外部凹部和内部凹部连接的直线下方与面接触的位置，使得当系统的质量被支撑在该位置时，系统为 磨损 以及脑波测量和确定部分，用于基于由输出部分呈现的视觉刺激作为起始点，基于耳朵电极部分和面部电极部分之间的电位差来测量事件相关电位。

公开(公告)号：US20100317988A1

公开(公告)日：2010-12-16

申请号：US12447718

申请日：2008-10-21

申请人： Yoshihisa Terada ,  Shinobu Adachi ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Shinobu Adachi ,  Koji Morikawa

IPC分类号： A61B5/0476

CPC分类号： G06F3/015 ,  A61B5/04842

摘要： A brain wave interface (IF) is started up using user's brain wave signals. A brain wave IF system comprises a brain wave measuring portion for measuring brain wave signals, a function controlling portion which analyzes an event-related potential contained in brain signals and outputs a function control signal for controlling the function of the apparatus based on the analysis results, and an output portion for outputting the function control signal. A start-up device comprises a start-up judging portion and a stimulus-attention judging portion. The start-up judging portion transmits, to the output portion, a stimulus control signal for controlling presentation/extinction of a visual stimulus which is a single item in the output portion when the brain wave IF system is not working, and compares a value of a P200 component of the event-related potential starting on a presentation timing of a visual stimulus out of the brain wave signals acquired from the brain wave measuring portion with a predetermined threshold value to determine whether or not to output a start-up trigger to the function controlling portion based on the comparison results. The stimulus-attention judging portion judges whether the user is paying attention to the visual stimulus based on an N100 component of the event-related potential starting on the presentation timing of the visual stimulus and makes the start-up judging portion start processing according to the judgment results. The brain wave IF system is started by the start-up judging portion outputting the start-up trigger.

摘要翻译： 使用用户的脑波信号启动脑波接口（IF）。 脑波IF系统包括用于测量脑波信号的脑波测量部分，功能控制部分，其分析脑信号中包含的事件相关电位，并输出用于基于分析结果控制装置的功能的功能控制信号 以及用于输出功能控制信号的输出部分。 启动装置包括启动判断部分和刺激注意判断部分。 启动判断部分在脑波IF系统不工作时向输出部分发送用于控制作为输出部分中的单个项目的视觉刺激的呈现/消光的刺激控制信号，并将 从具有预定阈值从脑波测量部分获取的脑波信号中的视觉刺激的呈现定时开始的事件相关电位的P200分量，以确定是否将输出启动触发信号 功能控制部分。 刺激注意判断部基于从视觉刺激的呈现定时开始的事件相关电位的N100分量来判断用户是否关注视觉刺激，并且根据该启动判断部开始处理 判断结果。 脑波IF系统由启动判断部分启动，输出启动触发。

公开(公告)号：US08914100B2

公开(公告)日：2014-12-16

申请号：US13435314

申请日：2012-03-30

申请人： Shinobu Adachi ,  Jun Ozawa ,  Yoshihisa Terada ,  Koji Morikawa

发明人： Shinobu Adachi ,  Jun Ozawa ,  Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/04 ,  A61B5/048

CPC分类号： A61B5/048 ,  A61B2560/0276

摘要： An exemplary electroencephalogram measurement system includes: a frequency analysis section for, analyzing a frequency power of the electroencephalogram signal of a user with respect to each set of a reference electrode and a measurement electrode; an insufficient electrode determination section for, through comparison of the analyzed frequency power against a first threshold value, distinguishing whether a state of attachment of each electrode is sufficient or not; and an insufficiency cause estimation section for determining the number of insufficient electrodes distinguished as insufficiently worn, determining a position at which each insufficient electrode is in contact with the user, and estimating a cause for the insufficient state of attachment of the insufficient electrode or electrodes that corresponds to the determined number of insufficient electrodes and position of each insufficient electrode by referring to insufficiency pattern data.

摘要翻译： 示例性脑波测量系统包括：频率分析部分，用于分析用户相对于每组参考电极和测量电极的脑电波信号的频率功率; 不足的电极确定部分，用于通过比较分析的频率功率与第一阈值，区分每个电极的附着状态是否足够; 以及用于确定被识别为不充分磨损的不充分电极的数量的不足原因估计部，确定每个不充分电极与用户接触的位置，以及估计不足的电极或电极的不充分状态的原因， 通过参照不完全的图案数据，对应于确定的电极数不足和各不足电极的位置。