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    Method and arrangement for interpreting subject's head and eye activity
    1.
    发明专利
    Method and arrangement for interpreting subject's head and eye activity 审中-公开
    用于解释主体头和眼睛活动的方法和装置

    公开(公告)号：JP2013056180A

    公开(公告)日：2013-03-28

    申请号：JP2012245457

    申请日：2012-11-07

    Applicant: Volvo Technology Corp ,  ボルボ テクノロジー コーポレイション

    Inventor： VICTOR TRENT ,  LARSSON PETTER

    IPC: A61B3/113 ,  A61B5/11 ,  A61B5/18 ,  G06F3/01 ,  G06K9/00 ,  G08B21/06

    CPC classification number: G06K9/00228 ,  A61B3/113 ,  A61B5/11 ,  A61B5/1103 ,  A61B5/18 ,  A61B5/6814 ,  A61B5/6821 ,  A61B5/7264 ,  G06F3/012 ,  G06K9/00597 ,  G06K9/00832 ,  G06K9/00845 ,  G08B21/06

    Abstract: PROBLEM TO BE SOLVED: To provide a method and algorithm for analyzing eye movement data generated by a head and/or eye movement system and outputting characteristic data.SOLUTION: In the method, the eye movement data is processed using a processor by applying classification rules to the data and thereby identifying visual fixations experienced by the subject. Analysis is also made of gaze-direction information associated with the identified fixations thereby developing data representative of directions in which the subject visually fixated during the period of data collection. The data is segregated, based partially on gaze-direction of fixations, into delimited data sets, each delimited data set representing an area/object-of-subject-interest existing during the period of data collection. At least one of the delimited data sets represents a region of typical eyes-forward driving based on a high-density pattern assessed from the collected gaze-direction data. Characteristics of a driver of Percent Road Center (PRC) are calculated based on data representing relative quantification of eyes-forward driving maintained by the driver during a predetermined period.

    Abstract translation: 要解决的问题：提供一种用于分析由头部和/或眼睛运动系统生成的眼睛运动数据并输出特征数据的方法和算法。 解决方案：在该方法中，使用处理器对眼动数据进行处理，通过对数据应用分类规则，从而识别受试者经历的视觉固定。 还分析与所识别的固定相关联的注视方向信息，从而开发表示数据收集期间被摄体视觉上固定的方向的数据。 这些数据部分地基于固定的注视方向，被分隔成分隔的数据集，每个分隔的数据集表示在数据收集期间存在的区域/主体对象利益。 至少一个分隔的数据集表示基于从所收集的注视方向数据评估的高密度模式的典型的前视驾驶的区域。 百分之路中心（PRC）的驾驶员的特征是根据表示驾驶员在预定时间段内保持的前视驾驶的相对量化的数据计算的。 版权所有（C）2013，JPO＆INPIT

    System and method for monitoring and managing driver attention load
    2.
    发明专利
    System and method for monitoring and managing driver attention load 有权
    用于监控和管理驾驶员注意力负荷的系统和方法

    公开(公告)号：JP2011019921A

    公开(公告)日：2011-02-03

    申请号：JP2010178387

    申请日：2010-08-09

    Applicant: Volvo Technology Corp ,  ボルボ テクノロジー コーポレイション

    Inventor： VICTOR TRENT

    IPC: A61B5/18 ,  A61B3/113 ,  A61B5/11 ,  G08B21/06 ,  G08G1/16

    CPC classification number: A61B5/1114 ,  A61B3/113 ,  A61B5/015 ,  A61B5/11 ,  A61B5/1103 ,  A61B5/18 ,  B60K35/00 ,  B60T2201/022 ,  B60T2201/08 ,  B60T2201/086 ,  B60W50/08 ,  G06K9/00845 ,  G08B21/06

    Abstract: PROBLEM TO BE SOLVED: To provide a system and a method for monitoring physiological behaviors of a driver in which safety is increased by assisting the driver in situations where drowsiness is caused, attention is decreased and/or high-place work is imposed.
    SOLUTION: The system and the method for monitoring the physiological behaviors of the driver includes: a step for measuring physiological variables of the driver; a step for assessing a driver's behavioral parameter on the basis of at least measured physiological variable; and a step for informing the driver of the assessed driver's behavioral parameter. The step for measuring the physiological variables can include steps for: measuring a driver's eye movement; measuring a driver's eye-gaze direction; measuring a driver's eye-closure amount; measuring a driver's blinking movement; measuring a driver's head movement; measuring a driver's head position; measuring a driver's head orientation; measuring driver's movable facial features; and measuring a driver's facial temperature image.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种通过在引起困倦的情况下辅助驾驶员来监视驾驶员的生理行为的系统和方法，其中安全性得到增加，注意力降低和/或高位工作 。 解决方案：用于监测驾驶员的生理行为的系统和方法包括：用于测量驾驶员的生理变量的步骤; 基于至少测量的生理变量来评估驾驶员的行为参数的步骤; 以及通知驾驶员所评估驾驶员的行为参数的步骤。 用于测量生理变量的步骤可以包括以下步骤：测量驾驶员的眼睛运动; 测量驾驶员的眼睛注视方向; 测量驾驶员的闭眼量; 测量驾驶员的眨眼运动; 测量驾驶员的头部运动; 测量驾驶员头部位置; 测量驾驶员头部方向; 测量驾驶员的可移动面部特征; 并测量驾驶员的面部温度图像。 版权所有（C）2011，JPO＆INPIT

    Method and arrangement for interpreting subjects head and eye activity
    3.
    发明专利
    Method and arrangement for interpreting subjects head and eye activity 审中-公开
    用于解释受试者头部和眼睛活动的方法和布置

    公开(公告)号：JP2010131401A

    公开(公告)日：2010-06-17

    申请号：JP2009290116

    申请日：2009-12-22

    Applicant: Volvo Technology Corp ,  ボルボ テクノロジー コーポレイション

    Inventor： VICTOR TRENT ,  LARSSON PETTER

    IPC: A61B5/18 ,  A61B3/113 ,  A61B5/11 ,  A61B5/16 ,  B60R11/04 ,  G06F3/01 ,  G06K9/00 ,  G08B21/06

    CPC classification number: G06K9/00228 ,  A61B3/113 ,  A61B5/11 ,  A61B5/1103 ,  A61B5/18 ,  A61B5/6814 ,  A61B5/6821 ,  A61B5/7264 ,  G06F3/012 ,  G06K9/00597 ,  G06K9/00832 ,  G06K9/00845 ,  G08B21/06

    Abstract: PROBLEM TO BE SOLVED: To provide a method for presenting comparison measures in assessing driver activity and/or driver condition. SOLUTION: This method includes collecting a stream of gaze-direction data based on a sensed characteristic of a driver, ascertaining a region representative of typical eyes-forward driving based on a high-density pattern determined from the collected gaze-direction data; and utilizing the collected gaze-direction data, in comparison to the ascertained representative region of typical eyes-forward driving, to identify and assess the severity of at least one of the following driver impairment characteristics based on the comparison: (1) cognitive driver distraction, (2) visual driver distraction, and (3) high driver work load. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供在评估驾驶员活动和/或驾驶员状况时呈现比较措施的方法。 解决方案：该方法包括基于感测到的驾驶员的特征来收集视线数据流，基于从所收集的视线方向数据确定的高密度模式来确定代表典型的前视驾驶的区域 ; 并且与所确定的典型眼前驾驶的代表区域相比，利用所收集的视线方向数据，基于比较来识别和评估以下驾驶员障碍特征中的至少一个的严重性：（1）认知驾驶员分心 ，（2）视觉驾驶员分心，（3）高司机工作负荷。 版权所有（C）2010，JPO＆INPIT

    4.
    发明专利
    未知

    公开(公告)号：BRPI0712837A2

    公开(公告)日：2012-07-31

    申请号：BRPI0712837

    申请日：2007-06-11

    Applicant: VOLVO TECHNOLOGY CORP

    Inventor： VICTOR TRENT ,  KRONBERG PETER

    IPC: A61B5/11 ,  A61B3/113 ,  A61B5/18

    Abstract: A method of analyzing data based on the physiological orientation of a driver is provided. Data is descriptive of a driver's gaze-direction is processing and criteria defining a location of driver interest is determined. Based on the determined criteria, gaze-direction instances are classified as either on-location or off-location. The classified instances can then be used for further analysis, generally relating to times of elevated driver workload and not driver drowsiness. The classified instances are transformed into one of two binary values (e.g., 1 and 0) representative of whether the respective classified instance is on or off location. The uses of a binary value makes processing and analysis of the data faster and more efficient. Furthermore, classification of at least some of the off-location gaze direction instances can be inferred from the failure to meet the determined criteria for being classified as an on-location driver gaze direction instance.

    9.
    发明专利
    未知

    公开(公告)号：AT454849T

    公开(公告)日：2010-01-15

    申请号：AT03751702

    申请日：2003-10-15

    Applicant: VOLVO TECHNOLOGY CORP

    Inventor： VICTOR TRENT ,  LARSSON PETTER

    IPC: A61B5/18 ,  A61B3/113 ,  A61B5/11 ,  B60K28/06 ,  G06F3/01 ,  G06K9/00 ,  G08B21/06

    Abstract: The present invention discloses a method for automated analysis of eye movement data, said method comprising the step of: processing data descriptive of eye movements observed in a subject using a computer-based processor by applying classification rules to the data and thereby identifying at least visual fixations experienced by the subject; and analyzing gaze-direction information associated with the identified fixations thereby developing data representative of directions in which the subject visually fixated during the period of data collection; segregating the developed data, based at least partially on fixation gaze-direction, into delimited data sets, each delimited data set representing an area/object-of-subject-interest existing during the period of data collection and at least one of said delimited data sets representing a region of typical eyes-forward driving based on a high-density pattern assessed from said gaze-direction information; and calculating a percentage road center (PRC) driver characteristic from the developed data representing a relative quantification of driver maintained, eyes-forward driving during a prescribed period of time.

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