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    • 8. 发明申请
    • ULTRASONIC TESTING METHOD OF WHEEL
    • 超声波测试方法
    • US20140224024A1
    • 2014-08-14
    • US14128649
    • 2012-06-05
    • Hitoshi MurakoshiKenta Takahashi
    • Hitoshi MurakoshiKenta Takahashi
    • G01N29/04G01N29/24
    • G01N29/04G01N29/043G01N29/0645G01N29/07G01N29/24G01N29/28G01N2291/044G01N2291/106G01N2291/2638G01N2291/2696
    • An ultrasonic testing apparatus includes an array probe 3 disposed to face a flange-side rim face 16 of a wheel 1. The ultrasonic testing apparatus also includes an array flaw detector having a function of transmitting transmission-reception control signals to the array probe, and a personal computer having a function of setting various parameters for the array flaw detector, and receiving signals from the array flaw detector so as to generate images such as an A-scope image and a B-scope image. When detecting a flaw, the array probe is disposed in such a manner that a transducer face thereof faces the flange-side rim face. At this time, an angle between the transducer alignment direction of the array probe and the radial direction of the wheel 1 is set to be 20 to 60° when viewed in the axial direction, and the flaw detection is carried out at this angle.
    • 超声波检测装置具有配置在与车轮1的凸缘侧边缘面16相对的阵列探针3.超声波检查装置还具有阵列探伤器,该阵列探伤器具有发射接收控制信号到阵列探针的功能, 具有设置阵列探伤器的各种参数的功能的个人计算机,以及从阵列探伤仪接收信号,以产生诸如A范围图像和B范围图像的图像。 当检测到缺陷时,阵列探针以其换能器面朝向凸缘侧边缘面的方式设置。 此时,沿轴向观察时阵列探针的换能器取向方向与车轮1的径向方向之间的角度被设定为20°〜60°,并且以该角度进行探伤。
    • 9. 发明授权
    • Method, system and program for authenticating a user by biometric information
    • 用于通过生物特征信息认证用户的方法,系统和程序
    • US08204279B2
    • 2012-06-19
    • US13090577
    • 2011-04-20
    • Kenta TakahashiShinji HirataHideitsu HinoMasahiro Mimura
    • Kenta TakahashiShinji HirataHideitsu HinoMasahiro Mimura
    • G06K9/00
    • G06K9/00885G06F21/32G06F2221/2107G06K2009/00953G07C9/00158G07C2209/12H04K1/00H04L9/3231H04L2209/805
    • A computer readable medium embodying a program to be executed by a terminal device used for a biometric authentication, the program including: an image generation code generating an enrolled image and a verification image from biometric information of a user collected at a sensor coupled to the terminal device; a filter generation code generating a random filter for scrambling the enrolled image and an inverse filter of the random filter; a transformation code transforming the enrolled image to a registration template by applying the random filter to the enrolled image and transforming the verification image to a filtered verification image by applying the inverse filter to the verification image; communication code transmitting the registration template and the filtered verification image to a biometric server thereby the biometric server performs biometric authentication of the user based on the cross-correlation between the registration template and the filtered verification image.
    • 一种体现由用于生物认证的终端设备执行的程序的计算机可读介质,所述程序包括:生成注册图像的图像生成代码和来自耦合到所述终端的传感器收集的用户的生物特征信息的验证图像 设备; 生成随机滤波器的滤波器生成代码,用于对登记的图像进行加扰和随机滤波器的反相滤波器; 转换代码,通过将随机过滤器应用于登记图像,并通过对验证图像应用逆滤波器将验证图像变换为滤波后的验证图像,将注册的图像变换为注册模板; 通信代码将注册模板和过滤的验证图像发送到生物测定服务器,从而生物测定服务器基于注册模板和经滤波的验证图像之间的互相关来执行用户的生物体认证。
    • 10. 发明申请
    • BIOMETRIC AUTHENTICATION METHOD AND SYSTEM
    • 生物识别方法与系统
    • US20110185176A1
    • 2011-07-28
    • US13057468
    • 2009-08-21
    • Kenta TakahashiShinji HirataYoshiaki Isobe
    • Kenta TakahashiShinji HirataYoshiaki Isobe
    • H04L9/32
    • H04L63/0861G06F21/32G06F21/83G06F2221/2153G06K2009/00953G07C9/00158G07C9/00166G07C2209/12H04L9/3231H04L2209/043
    • At a registration time, a feature data array for registration is generated from biometric information acquired by a client, and a position correction template and a comparison template obtained by converting the feature data array for registration are registered in a server.At an authentication time, a feature data array for authentication is generated from biometric information acquired by the client, and converted feature data for position correction obtained by converting the feature data array for authentication is transmitted to the server. The server detects a position correction amount of the feature data array for authentication relative to the feature data array for registration using the position correction template and the converted feature data for position correction, and transmits the position correction amount to the client. The client corrects the feature data array for authentication using the position correction amount and transmits the converted feature data array for comparison to the server. The server calculates a distance between the comparison template and the converted feature data array for comparison and determines success or failure of the authentication on the basis of the distance.
    • 在注册时,由客户机获取的生物特征信息生成用于注册的特征数据阵列,并且通过转换用于注册的特征数据阵列获得的位置校正模板和比较模板被登记在服务器中。 在认证时刻,由客户端获取的生物特征信息生成用于认证的特征数据阵列,并且将用于认证的特征数据阵列转换获得的用于位置校正的转换特征数据发送到服务器。 服务器使用位置校正模板和转换后的位置校正特征数据检测相对于用于登记的特征数据阵列进行认证的特征数据阵列的位置校正量,并将位置校正量发送给客户端。 客户端使用位置校正量来校正特征数据阵列进行认证,并将转换的特征数据数组发送到服务器进行比较。 服务器计算比较模板和转换的特征数据阵列之间的距离进行比较,并根据距离确定认证的成功或失败。