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    • 3. 发明申请
    • Authentication apparatus and authentication method
    • 验证设备和验证方法
    • US20070046662A1
    • 2007-03-01
    • US11507351
    • 2006-08-21
    • Yuichi KawakamiYuusuke Nakano
    • Yuichi KawakamiYuusuke Nakano
    • G06T15/00
    • G06K9/00275
    • An authentication apparatus comprises a first acquiring part for acquiring three-dimensional shape information of a face of a target person to be authenticated, a compressing part for compressing said three-dimensional shape information by using a predetermined mapping relation, thereby generating three-dimensional shape feature information, and an authenticating part for performing an operation of authenticating said target person by using said three-dimensional shape feature information. When a vector space expressing said three-dimensional shape information is virtually separated into a first subspace in which the influence of a change in facial expression is relatively small and which is suitable for discrimination among persons and a second subspace in which the influence of a change in facial expression is relatively large and which is not suitable for discrimination among persons, said predetermined mapping relation is decided so as to transform an arbitrary vector in said vector space into a vector in said first subspace.
    • 认证装置包括:第一获取部,用于获取要认证的目标人物的面部的三维形状信息;压缩部分,用于通过使用预定的映射关系来压缩所述三维形状信息,从而产生三维形状 特征信息,以及用于通过使用所述三维形状特征信息执行认证所述目标人物的操作的认证部分。 当将表示所述三维形状信息的向量空间实际上分成第一子空间,其中面部变化的影响相对较小并且适合于人与第二子空间之间的区别,其中变化的影响 在面部表情相对较大并且不适合于人之间的区分时,所述预定映射关系被确定为将所述向量空间中的任意向量变换成所述第一子空间中的向量。
    • 5. 发明申请
    • Authentication system, registration system, and program
    • 认证系统,注册系统和程序
    • US20070098230A1
    • 2007-05-03
    • US11588025
    • 2006-10-26
    • Toshio NoritaYuichi Kawakami
    • Toshio NoritaYuichi Kawakami
    • G06K9/00
    • G06K9/00288G06K9/00214
    • An authentication system comprises: a generating part for generating face information including at least one of three-dimensional shape information and two-dimensional information in the face of a first person to be authenticated on the basis of measurement information of the first person; a model modifying part for modifying a standard model of a human face by using the face information, thereby generating an individual model of the face of the first person; a calculating part for calculating a first model perfection level as a perfection level of the individual model on the basis of reliability of the face information; an extracting part for extracting first feature information as feature information of the first person from the individual model; an obtaining part for obtaining second feature information as feature information of a second person to be compared which is pre-registered; and an authenticating part for performing an authenticating operation on the first person by using the first model perfection level in addition to similarity between the first feature information and the second feature information.
    • 认证系统包括:产生部件,用于基于第一人的测量信息,生成面对面信息,该面部信息包括面对要认证的第一人的三维形状信息和二维信息中的至少一个; 用于通过使用面部信息来修改人脸的标准模型的模型修改部分,从而生成第一人的面部的个人模型; 计算部分,用于基于面部信息的可靠性计算第一模型完成水平作为个体模型的完美水平; 提取部,用于从所述个人模型中提取作为所述第一人的特征信息的第一特征信息; 获取部分,用于获得第二特征信息作为预先注册的待比较的第二人的特征信息; 以及用于通过使用第一模型完成级别除了第一特征信息和第二特征信息之间的相似性来对第一人员执行认证操作的认证部分。
    • 6. 发明授权
    • Autonomous vehicle capable of traveling/stopping in parallel to wall and
controlling method thereof
    • 能够与壁平行移动/停止的自主车辆及其控制方法
    • US6038501A
    • 2000-03-14
    • US31041
    • 1998-02-26
    • Yuichi Kawakami
    • Yuichi Kawakami
    • A47L11/00G05D1/02G06F165/00
    • G05D1/0272G05D1/0227G05D1/027G05D2201/0203
    • An autonomous vehicle capable of traveling and stopping parallel to a wall includes right and left driving wheels receiving driving force to be driven independently, a dependent wheel for supporting the autonomous vehicle together with the driving wheels for a straightforward movement and a U-turn, a motor for driving the right and left driving wheels, a coupling mechanism for transmitting the rotation of the motor to the driving wheels, an encoder for detecting the rotation amount and velocity of the motor, a gyro sensor for detecting the direction of the autonomous vehicle, a distance measurement sensor for measuring the distance to a right or left object of interest, and a controller for controlling the autonomous vehicle through the motor and the driving wheels. The controller receives the output of the encoder, calculates a control value for the driving wheels based on the rotation amount and rotation velocity of the motor, and determines that the autonomous vehicle travels parallel to the wall if the ratios of a time period to turn the autonomous vehicle rightward and a time period to turn the vehicle leftward in a prescribed time period are equal based on the control value.
    • 能够平行于墙壁行进和停止的自主车辆包括左右驱动轮,其接收独立驱动的驱动力,用于支撑自主车辆的从动轮与驱动轮一起用于直接运动和U形转弯, 用于驱动左右驱动轮的电动机,用于将电动机的旋转传递到驱动轮的联接机构,用于检测电动机的旋转量和速度的编码器,用于检测自主车辆的方向的陀螺仪传感器, 用于测量与感兴趣的左右物体的距离的距离测量传感器,以及通过马达和驱动轮来控制自主车辆的控制器。 控制器接收编码器的输出,根据马达的旋转量和旋转速度来计算驱动轮的控制值,并且如果自动车辆平行于墙壁行驶,则确定自动车辆转动时间段的比率 自主车辆在规定时间段内向左转动车辆的时间段基于控制值相等。
    • 8. 发明授权
    • Device for measuring a characteristic of a color cathode ray tube based
on synchronized signals
    • 基于同步信号测量彩色阴极射线管的特性的装置
    • US5032769A
    • 1991-07-16
    • US455627
    • 1989-12-22
    • Yuichi Kawakami
    • Yuichi Kawakami
    • H01J9/42H04N9/28H04N17/04
    • H01J9/42H04N17/04H04N9/28
    • A device for measuring convergence of a color CRT periodically generating a test pattern in a predetermined portion of a screen of the color CRT including signal output means for outputting a signal corresponding to glow timing of the test pattern generated on the screen, image pickup means for picking up the test pattern on the screen to output an image signal, control means responsive to output of the signal output means for controlling the image pickup means so as to output the image signal during the time that the test pattern is not generated in the predetermined portion of the screen, and calculation means for calculating a convergence assessment value of the color CRT based on the image signal.
    • 一种用于测量在彩色CRT的屏幕的预定部分中周期性地产生测试图案的彩色CRT的会聚的装置,包括用于输出对应于在屏幕上产生的测试图案的发光定时的信号的信号输出装置,用于 在屏幕上拾取测试图案以输出图像信号,控制装置响应于信号输出装置的输出,用于控制图像拾取装置,以便在预定的时间内不产生测试图案的时间期间输出图像信号 屏幕的部分,以及用于基于图像信号计算彩色CRT的会聚评估值的计算装置。