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    • 1. 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。
    • 6. 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
    • US07840034B2
    • 2010-11-23
    • US11740957
    • 2007-04-27
    • Kenta TakahashiMasahiro Mimura
    • Kenta TakahashiMasahiro Mimura
    • G06K9/00G06K9/68G06F21/00
    • G06F21/32G06F2221/2153G06K9/00087G06K9/00885G07C9/00158G07C2209/12
    • Upon registration, a client extracts plural feature points and information (identification information) by which each of the feature points can be identified, from a user's fingerprint, and randomly generates a transformation parameter for each feature point to transform the coordinates and direction. The transformed identification information (template) is transmitted to an authentication server and stored in a memory. The identification information and transformation parameters of the feature points are stored in a memory medium of the user. Upon authentication of the user, the client extracts feature points from the user's fingerprint, and identifies the feature points by the identification information in the memory medium. The client transforms the identified feature points by reading the corresponding transformation parameters from the memory medium, and transmits the transformed information to the authentication server. The server verifies the received identification information against the template registered in advance, to authenticate the user.
    • 在注册时,客户端从用户的指纹中提取多个特征点和可以识别每个特征点的信息(识别信息),并且随机地生成每个特征点的变换参数以变换坐标和方向。 变换的识别信息(模板)被发送到认证服务器并存储在存储器中。 特征点的识别信息和变换参数存储在用户的存储介质中。 在用户认证时,客户端从用户的指纹中提取特征点,并通过存储介质中的识别信息来识别特征点。 客户端通过从存储介质读取相应的变换参数来变换所识别的特征点,并将变换的信息发送到认证服务器。 服务器根据预先注册的模板验证接收到的识别信息,以验证用户。
    • 7. 发明申请
    • Unique code generating apparatus, method, program and recording medium
    • 唯一代码生成装置,方法,程序和记录介质
    • US20050135661A1
    • 2005-06-23
    • US10964683
    • 2004-10-15
    • Masahiro MimuraKenta TakahashiKazuo TakaragiMasakatsu NishigakiYoichi Shibata
    • Masahiro MimuraKenta TakahashiKazuo TakaragiMasakatsu NishigakiYoichi Shibata
    • G06T7/00G06F15/00G06F21/20G06K9/00G07C9/00H04L9/32
    • G06K9/00067G07C9/00158
    • A unique code generating apparatus for generating, according to biometric information representing a physical or behavioral feature of a user, a unique code as a unique value for the biometric information includes a statistic information generating section for conducting statistical analysis for a feature of biometric information for registration and generating statistic information, a statistic information table generating section for summarizing the statistic information for each biometric information, setting a unique code for each statistic information, and generating a statistic information table unique to the biometric information, a unique code extracting section for applying to the statistic information table the statistic information generated by the statistic information generating section according to biometric information for collation and extracting an associated unique code from the table, and an output processing section for outputting the unique code extracted by the unique code extracting section to an output interface.
    • 一种独特的代码生成装置,用于根据表示用户的物理或行为特征的生物信息生成作为生物特征信息的唯一值的唯一代码,包括:统计信息生成部,用于对生物体信息的特征进行统计分析, 注册和生成统计信息,统计信息表生成部分,用于总结每个生物特征信息的统计信息,为每个统计信息设置唯一代码,以及生成对生物特征信息唯一的统计信息表;唯一代码提取部分, 向统计信息表提供由统计信息生成部根据用于对照的生物体信息生成的统计信息,并从表中提取相关联的唯一码,以及输出处理部,用于输出由un提取的唯一码 ique代码提取部分到输出接口。
    • 9. 发明授权
    • Unique code generating apparatus, method, program and recording medium
    • 唯一代码生成装置,方法,程序和记录介质
    • US07447339B2
    • 2008-11-04
    • US10964683
    • 2004-10-15
    • Masahiro MimuraKenta TakahashiKazuo TakaragiMasakatsu NishigakiYoichi Shibata
    • Masahiro MimuraKenta TakahashiKazuo TakaragiMasakatsu NishigakiYoichi Shibata
    • G06K9/00
    • G06K9/00067G07C9/00158
    • A unique code generating apparatus for generating, according to biometric information representing a physical or behavioral feature of a user, a unique code as a unique value for the biometric information includes a statistic information generating section for conducting statistical analysis for a feature of biometric information for registration and generating statistic information, a statistic information table generating section for summarizing the statistic information for each biometric information, setting a unique code for each statistic information, and generating a statistic information table unique to the biometric information, a unique code extracting section for applying to the statistic information table the statistic information generated by the statistic information generating section according to biometric information for collation and extracting an associated unique code from the table, and an output processing section for outputting the unique code extracted by the unique code extracting section to an output interface.
    • 一种独特的代码生成装置,用于根据表示用户的物理或行为特征的生物信息生成作为生物特征信息的唯一值的唯一代码,包括:统计信息生成部,用于对生物体信息的特征进行统计分析, 注册和生成统计信息,统计信息表生成部分,用于总结每个生物特征信息的统计信息,为每个统计信息设置唯一代码,以及生成对生物特征信息唯一的统计信息表;唯一代码提取部分, 向统计信息表提供由统计信息生成部根据用于对照的生物体信息生成的统计信息,并从表中提取相关联的唯一码,以及输出处理部,用于输出由un提取的唯一码 ique代码提取部分到输出接口。