公开(公告)号：US20110295086A1

公开(公告)日：2011-12-01

申请号：US13207547

申请日：2011-08-11

申请人： Toru NAKADA ,  Koji MORIKAWA

发明人： Toru NAKADA ,  Koji MORIKAWA

IPC分类号： A61B5/00

CPC分类号： A61B5/18 ,  A61B5/0476 ,  A61B5/0496 ,  A61B5/6803 ,  A61B5/6814 ,  A61B5/6816 ,  G08G1/166

摘要： The apparatus includes: a detection section for detecting a time period during which an operator is making preparations prior to beginning a driving operation; an adjustment section for adjusting a determination criterion for determining a state of attention of the operator during a driving operation, which calculates an eye fixation related potential of the electroencephalogram signal of the operator measured at least in the time period by using the measured oculomotor signal of the operator, and which adjusts the determination criterion based on the calculated eye fixation related potential; a determination section for calculating an eye fixation related potential from the electroencephalogram signal and the oculomotor signal of the operator measured after beginning the driving operation, which determines a state of attention of the operator during the driving operation based on the calculated eye fixation related potential and the adjusted determination criterion; and an output section for acting to call attention of the operator based on a result of determination.

摘要翻译： 该装置包括：检测部分，用于检测操作员在开始驾驶操作之前进行准备的时间段; 调整部，其用于调整用于确定驾驶操作期间的操作者的注意状态的判定标准，所述判定基准通过使用所测量的眼动电机信号来计算至少在所述时间段中测量的操作者的脑电信号的眼固定相关电位 并根据所计算的眼固定相关电位来调整确定标准; 基于所计算的眼睛固定相关电位，确定驾驶操作期间操作者的注意状态的确定部分，用于根据驾驶操作之后测量的脑电信号和操作者的眼动信号计算眼睛固定相关电位;以及 调整后的确定标准; 以及输出部分，用于基于确定的结果来提醒操作者的注意。

公开(公告)号：US20110279676A1

公开(公告)日：2011-11-17

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： G06F19/00 ,  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：US20120172744A1

公开(公告)日：2012-07-05

申请号：US13408091

申请日：2012-02-29

申请人： Yumiko KATO ,  Shinobu ADACHI ,  Yoshihisa TERADA ,  Koji MORIKAWA

发明人： Yumiko KATO ,  Shinobu ADACHI ,  Yoshihisa TERADA ,  Koji MORIKAWA

IPC分类号： A61B5/048 ,  A61B5/0484

CPC分类号： A61B5/0478 ,  A61B5/048 ,  A61B5/04845 ,  A61B5/7203 ,  A61B5/726

摘要： An electroencephalogram measurement apparatus includes: an electroencephalogram measurement section for measuring an electroencephalogram of a user by using a plurality of electrodes; an electro-acoustic transducer for presenting an acoustic signal to the user, the electro-acoustic transducer being in a vicinity of at least one electrode among the plurality of electrodes while the electroencephalogram measurement section is worn by the user; an amplitude envelope extraction section for extracting an amplitude envelope of the acoustic signal presented by the electro-acoustic transducer; a frequency analysis section for applying a frequency analysis to the amplitude envelope extracted by the amplitude envelope extraction section; and a noise estimation section for estimating an electrical noise which is mixed at the at least one electrode by using a previously provided set of transform rules and the extracted amplitude envelope.

摘要翻译： 脑波测量装置包括：脑波测量部分，用于通过使用多个电极来测量用户的脑电图; 用于向用户呈现声信号的电声换能器，所述电声换能器在所述多个电极中的至少一个电极附近，而所述脑波测量部分由所述用户佩戴; 振幅包络提取部，用于提取由所述电声换能器呈现的声信号的振幅包络; 频率分析部分，用于对由振幅包络提取部分提取的振幅包络进行频率分析; 以及噪声估计部分，用于通过使用先前提供的一组变换规则和所提取的振幅包络来估计在所述至少一个电极处混合的电噪声。

公开(公告)号：US20110188664A1

公开(公告)日：2011-08-04

申请号：US13085806

申请日：2011-04-13

申请人： Koji MORIKAWA ,  Shinobu Adachi

发明人： Koji MORIKAWA ,  Shinobu Adachi

IPC分类号： H04R29/00

CPC分类号： A61B5/04845 ,  A61B5/7225 ,  G10L2021/065 ,  H04R25/70

摘要： An adjustment device for a hearing aid includes: an audio extraction section for, through an acoustic process of a collected audio signal, utilizing information of a phoneme or syllable contained in the audio signal to output time information, the time information identifying a point of uttering the phoneme or syllable; an electroencephalogram measurement section for measuring an electroencephalogram signal of a user; a determination section for determining a difficulty of hearing of the phoneme or syllable by relying on an event-related potential in the electroencephalogram signal based on the identified point of uttering the phoneme or syllable as a starting point; a phoneme identification section for, when a plurality of phonemes or syllables are determined as difficult to hear, identifying a chronologically preceding phoneme or syllable among them to be difficult to hear; and a gain adjustment section for, with respect to the phoneme or syllable identified by the phoneme identification section, determining a gain adjustment method based on a type of the phoneme or syllable, and adjusting a gain for the phoneme or syllable in accordance with the determined gain adjustment method.

摘要翻译： 用于助听器的调节装置包括：音频提取部分，用于通过收集的音频信号的声学过程利用包含在音频信号中的音素或音节的信息来输出时间信息，时间信息识别发音点 音素或音节; 脑波测量部分，用于测量用户的脑波信号; 确定部分，用于基于识别出的音素或音节点作为起点，通过依靠脑波信号中的事件相关电位来确定音素或音节的听觉难度; 一个音素识别部分，当确定难以听到的多个音素或音节时，识别其中难以听到的按时间顺序排列的先前音素或音节; 以及增益调整部分，用于相对于由音素识别部分识别的音素或音节，基于音素或音节的类型确定增益调整方法，并根据确定的音调或音节调整音素或音节的增益 增益调整方法。

公开(公告)号：US20120294451A1

公开(公告)日：2012-11-22

申请号：US13564390

申请日：2012-08-01

申请人： Kazuki KOZUKA ,  Shinobu ADACHI ,  Koji MORIKAWA

发明人： Kazuki KOZUKA ,  Shinobu ADACHI ,  Koji MORIKAWA

IPC分类号： H04R29/00

CPC分类号： A61B5/04845 ,  H04R25/70

摘要： The determination system includes a presented-speech sound control section for determining a speech sound to be presented to a user; auditory/visual stimulation presentation sections for presenting the determined speech sound as an audio/a character; a group-wise summation section for taking a summation of an event-related potential of an electroencephalogram signal of the user for each group of speech sounds; a first determination section for, from the event-related potential having been subjected to summation for each group, making a group-by-group determination of comfortableness as to whether the user is comfortably hearing to the speech sound, to at least determine whether the user is listening to the speech sound with strife, or to determine whether the user is annoyed by the speech sound; and a second determination section for, from the event-related potential, making a speech sound-by-speech sound determination of intelligibility as to whether the user is clearly hearing the speech sound.

摘要翻译： 确定系统包括用于确定要呈现给用户的语音的呈现语音声音控制部分; 用于将确定的语音作为音频/字符呈现的听觉/视觉刺激呈现部分; 用于对每组语音进行用户的脑波信号的事件相关电位的总和的组合求和部分; 第一确定部分，用于从事件相关电位经过每个组的求和，对用户是否舒适地听到语音进行逐个群组的确定，至少确定是否 用户正在紧张地听声音，或者确定用户是否因语音而烦恼; 以及第二确定部分，用于从事件相关电位，对用户是否清楚地听到语音的可懂度进行语音逐个声音确定。

公开(公告)号：US20120191000A1

公开(公告)日：2012-07-26

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： A61B5/048

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。

公开(公告)号：US20120069247A1

公开(公告)日：2012-03-22

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： H04N5/44

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：US20100241021A1

公开(公告)日：2010-09-23

申请号：US12793263

申请日：2010-06-03

申请人： Koji MORIKAWA ,  Tour Nakada ,  Yoshihisa Terada

发明人： Koji MORIKAWA ,  Tour Nakada ,  Yoshihisa Terada

IPC分类号： A61B5/0476

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，用于保持将脑电波信号的参数值映射到觉醒级别的第一规则，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：US20120288108A1

公开(公告)日：2012-11-15

申请号：US13561336

申请日：2012-07-30

申请人： Shinobu ADACHI ,  Koji MORIKAWA ,  Yumiko KATO ,  Kazuki KOZUKA

发明人： Shinobu ADACHI ,  Koji MORIKAWA ,  Yumiko KATO ,  Kazuki KOZUKA

IPC分类号： H04R29/00

CPC分类号： A61B5/04845

摘要： In an exemplary assessment system of speech sound listening, an output section presents a speech sound to a user as an auditory stimulation; a positive component determination section determines whether a positive component appears in an event-related potential of an electroencephalogram signal of the user in a range from 600-900 ms from a starting point, the starting point being a point in time at which the speech sound is presented, and outputs an assessment result as to whether the user is listening to the speech sound with strife or not; and a negative component determination section determines whether a negative component appears in the event-related potential in a range from 100-300 ms from a starting point, the starting point being the point in time at which the speech sound is presented, and outputs an assessment result as to whether the user is annoyed by the speech sound or not.

摘要翻译： 在语音听力的示例性评估系统中，输出部分向用户呈现语音作为听觉刺激; 正分量确定部分确定在从起始点开始的600-900ms的范围内，用户的脑波信号的事件相关电位中是否出现正分量，起始点是语音的时间点 并且输出关于用户是否正在以不争的方式收听语音的评估结果; 并且负分量确定部分确定在起始点是呈现语音的时间点的起始点是在100-300ms的范围内的事件相关电位中是否出现负分量，并输出一个 关于用户是否因语音而烦恼的评估结果。

公开(公告)号：US20120072213A1

公开(公告)日：2012-03-22

申请号：US13304789

申请日：2011-11-28

申请人： Shinobu ADACHI ,  Koji MORIKAWA

发明人： Shinobu ADACHI ,  Koji MORIKAWA

IPC分类号： G10L15/00

CPC分类号： A61B5/12 ,  A61B5/04845 ,  A61B5/7225

摘要： The speech sound intelligibility assessment system includes: an output section for presenting a speech sound to a user; a biological signal measurement section for measuring an electroencephalogram signal of the user; a positive component determination section for determining presence/absence of a positive component of an event-related potential in the electroencephalogram signal in a zone from 600 ms to 800 ms from a starting point, which is a point in time at which the output section presents a speech sound; a negative component determination section for determining presence/absence of a negative component of an event-related potential in the electroencephalogram signal in a zone from 100 ms to 300 ms from the same starting point; and an assessment section for evaluating whether the user has clearly aurally comprehended the presented speech sound or not based on the results of determination of presence/absence of the positive and negative components, respectively.

摘要翻译： 语音清晰度评估系统包括：向用户呈现语音的输出部分; 用于测量用户的脑波信号的生物信号测量部分; 一个正分量确定部分，用于确定在从输出部分呈现的时间点起始点的600ms至800ms的区域中的脑波信号中的事件相关电位的正分量的存在/不存在 演讲声; 负分量确定部分，用于从相同的起点确定在100ms至300ms的区域中的脑波信号中的事件相关电位的负分量的存在/不存在; 以及评估部分，用于基于分别确定正/负组分的存在/不存在的结果来评估用户是否明确地理解了所呈现的语音。