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    • 1. 发明授权
    • Access control method using token having security attributes in computer system
    • 使用计算机系统中具有安全属性的令牌的访问控制方法
    • US07290279B2
    • 2007-10-30
    • US10280907
    • 2002-10-25
    • Sung Kyong EunJeong Nyeo KimJong Gook KoSo Young DooJoon Suk YuJae Deok Lim
    • Sung Kyong EunJeong Nyeo KimJong Gook KoSo Young DooJoon Suk YuJae Deok Lim
    • H04L9/32
    • G06F21/6209G06F21/6218
    • Disclosed is an access control method using a token having security attributes in a computer system when a user gains access to a specific file. The computer system adopts a token having encryption, modification, execution, and provision attributes to determine access permission or access denial between a user and a file in such a way that a file access request is controlled. The access control method enciphers a file and stores the enciphered file in a storage unit, so that it can maintain security of the file even though the storage unit is stolen. The access control method enables a system manager to read only enciphered contents of the file when the system manager performs a data backup operation, thereby eliminating limitations in commonly operating a system simultaneously with maintaining file security. The access control method enables programs for executing operations on behalf of a user to automatically obtain a corresponding token, confirms authority to execute the file, and prevents that the authority is stolen or drained due to a program error.
    • 公开了当用户获得对特定文件的访问时,使用在计算机系统中具有安全属性的令牌的访问控制方法。 计算机系统采用具有加密,修改,执行和配置属性的令牌来确定用户和文件之间的访问许可或访问拒绝,使得文件访问请求被控制。 访问控制方法加密文件并将加密文件存储在存储单元中,使得即使存储单元被盗,它也可以保持文件的安全性。 当系统管理者进行数据备份操作时,访问控制方法使得系统管理者仅读取文件的加密内容,从而消除了在保持文件安全的同时同时操作系统的限制。 访问控制方法允许代表用户执行操作的程序自动获得相应的令牌,确认执行该文件的权限,并且防止由于程序错误而导致该机构被盗或者被排除。
    • 3. 发明授权
    • Iris recognition method and apparatus thereof
    • 虹膜识别方法及其装置
    • US07869626B2
    • 2011-01-11
    • US11702863
    • 2007-02-06
    • Jong Gook KoYoun Hee GilJang Hee YooKyo Il Chung
    • Jong Gook KoYoun Hee GilJang Hee YooKyo Il Chung
    • G06K9/00
    • G06K9/0061
    • An iris recognition method is provided. In the iris recognition method, binary image data is obtained by receiving eye image data and filtering the received eye image data using a predetermined threshold value. Then, candidate center search regions are searched for finding a pupil center using profile information of rows and columns of the binarized image. a pupil boundary and a center point are detected by performing a mask operation using 8 pupil boundary mask templates for each of concentric circles formed of pointes in the searched candidate center search regions as candidate pupil centers and different radiuses. An iris boundary region is detected by performing a masking operation using 6 iris boundary mask templates corresponding to 6 locations for concentric circles formed of the pupil center as an origin and different radiuses.
    • 提供虹膜识别方法。 在虹膜识别方法中,通过接收眼睛图像数据并使用预定阈值对接收到的眼睛图像数据进行滤波来获得二值图像数据。 然后,使用二进制化图像的行和列的轮廓信息来搜索候选中心搜索区域以找到瞳孔中心。 通过对作为候选瞳孔中心和不同半径的搜索到的候选中心搜索区域中由点形成的每个同心圆进行8个瞳孔边界掩模模板,对瞳孔边界和中心点进行掩模操作。 通过使用对应于由瞳孔中心形成的同心圆的6个位置的6个虹膜边界掩模模板作为原点和不同的半径来执行掩模操作来检测虹膜边界区域。
    • 4. 发明申请
    • Iris recognition method and apparatus thereof
    • 虹膜识别方法及其装置
    • US20080069410A1
    • 2008-03-20
    • US11702863
    • 2007-02-06
    • Jong Gook KoYoun Hee GilJang Hee YooKyo II Chung
    • Jong Gook KoYoun Hee GilJang Hee YooKyo II Chung
    • G06K9/00
    • G06K9/0061
    • An iris recognition method is provided. In the iris recognition method, binary image data is obtained by receiving eye image data and filtering the received eye image data using a predetermined threshold value. Then, candidate center search regions are searched for finding a pupil center using profile information of rows and columns of the binarized image. a pupil boundary and a center point are detected by performing a mask operation using 8 pupil boundary mask templates for each of concentric circles formed of pointes in the searched candidate center search regions as candidate pupil centers and different radiuses. An iris boundary region is detected by performing a masking operation using 6 iris boundary mask templates corresponding to 6 locations for concentric circles formed of the pupil center as an origin and different radiuses.
    • 提供虹膜识别方法。 在虹膜识别方法中,通过接收眼睛图像数据并使用预定阈值对接收到的眼睛图像数据进行滤波来获得二值图像数据。 然后,使用二进制化图像的行和列的轮廓信息来搜索候选中心搜索区域以找到瞳孔中心。 通过对作为候选瞳孔中心和不同半径的搜索到的候选中心搜索区域中由点形成的每个同心圆进行8个瞳孔边界掩模模板,对瞳孔边界和中心点进行掩模操作。 通过使用对应于由瞳孔中心形成的同心圆的6个位置的6个虹膜边界掩模模板作为原点和不同的半径来执行掩模操作来检测虹膜边界区域。
    • 6. 发明申请
    • MULTI-IMAGE ACQUISITION APPARATUS
    • 多图像采集设备
    • US20100128937A1
    • 2010-05-27
    • US12623559
    • 2009-11-23
    • Jang-Hee YOOJong-Gook KOKi Young MOON
    • Jang-Hee YOOJong-Gook KOKi Young MOON
    • G06K9/00H04N7/18
    • G06K9/00892G06K9/00221G06K9/00604G06K9/209
    • A multi-image acquisition apparatus for use in a biometrics system includes a light splitting filter for reflecting or transmitting multi-image lights representing an image of a target subject provided along an identical light path into different bands; a first image sensor for imaging an iris area by capturing a fraction of the multi-image light which has been transmitted through the light splitting filter; and a second image sensor for imaging a facial area by capturing a fraction of the multi-image light which has been reflected from the light splitting filter. The apparatus further includes a control module for controlling the first image sensor and the second image sensor and providing the images obtained by the first sensor and second sensor for image recognition.
    • 用于生物测定系统的多图像采集装置包括:光分离滤光器,用于将表示沿相同光路设置的目标对象的图像的多图像光反射或发送到不同的带; 第一图像传感器,用于通过捕获已经通过所述光分离滤光器透射的多像光的一部分来对虹膜区域进行成像; 以及第二图像传感器,用于通过捕获已经从光分离滤光器反射的多图像光的一部分来对面部区域进行成像。 该装置还包括用于控制第一图像传感器和第二图像传感器并提供由第一传感器和第二传感器获得的图像以进行图像识别的控制模块。