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    • 4. 发明授权
    • Method and device for embedding and detecting watermarking information into a black and white binary document image
    • 用于将水印信息嵌入和检测到黑白二进制文档图像中的方法和装置
    • US06983056B1
    • 2006-01-03
    • US09621567
    • 2000-07-21
    • Tomio Amano
    • Tomio Amano
    • G06K9/00
    • G06T1/005G06T2201/0062G06T2201/0065
    • As a document image on paper is usually black and white binary data, an embedding method for colored and multivalued data using a variation of light and dark could not be applied. When a document printed on paper was captured by a scanner or the like, it was difficult, since it had changed at a pixel level, to stably detect embedded additional watermarking information. A text area is detected from a document image, and the features of the detected text area are increased or decreased, or the detected text area is split into two or more subblocks, and the subblocks are divided into two or more groups, of which features are increased or decreased respectively so as to embed additional watermarking information. When detecting a watermark, additional watermarking information is detected by comparing the integrated values of the features acquired from the respective groups.
    • 由于纸上的文档图像通常是黑白二进制数据,因此不能应用使用明暗变化的彩色和多值数据的嵌入方法。 当通过扫描器等捕获打印在纸上的文件时,由于其在像素级别已经改变,因此难以稳定地检测嵌入的附加水印信息。 从文档图像检测文本区域,检测到的文本区域的特征被增加或减少,或者检测到的文本区域被分割成两个或更多个子块,并且子块被划分成两个或更多个组,其中的特征 分别增加或减少,以便嵌入附加的水印信息。 当检测到水印时,通过比较从各个组获得的特征的积分值来检测附加的水印信息。
    • 6. 发明授权
    • Access control system and methods
    • 访问控制系统和方法
    • US07409390B2
    • 2008-08-05
    • US09948286
    • 2001-09-07
    • Michiharu KudohTomio Amano
    • Michiharu KudohTomio Amano
    • G06F17/30
    • G06F21/6218G06F2221/2141Y10S707/99939
    • The present invention provides access control methods, apparatus and systems that employ an access control rule and that does not distinguish between data and the access control rule, so that the same flexible access control that is available for the data can also be provided for the access control rule. In an example embodiment, an access control system comprises: an access controller for, in accordance with the access request, employing an access control rule defining an access right for the object to determine whether or not access to the object should be permitted; and an object storage unit for storing a set of access control rules as objects equivalent to common data objects, wherein, upon the receipt of a request to access an access control rule, the access controller determines whether or not access to the access control rule should be permitted.
    • 本发明提供了采用访问控制规则并且不区分数据和访问控制规则的访问控制方法,装置和系统,使得可以为访问提供可用于数据的相同的灵活访问控制 控制规则。 在一个示例实施例中,访问控制系统包括:访问控制器,用于根据访问请求采用定义对象的访问权限的访问控制规则,以确定是否应允许访问对象; 以及对象存储单元,用于将一组访问控制规则存储为与公共数据对象相当的对象,其中,在接收到访问访问控制规则的请求时,访问控制器确定是否访问访问控制规则 被允许。
    • 8. 发明申请
    • Method for Preventing Use of Multiple Application Instances
    • 防止使用多个应用程序实例的方法
    • US20090248783A1
    • 2009-10-01
    • US12055929
    • 2008-03-26
    • Tomio Amano
    • Tomio Amano
    • G06F15/16
    • G06F9/4843
    • A method and apparatus are provided for managing activation of one or more application instances in a client machine in communication with a server across a network. The client machine is configured with a manager local to the client machine to manage the application instances. Data associated with the application instance(s) is maintained on the client machine. Prior to sending a communication to the server for an application, the manager ensures that an application instance is not present and activated local to the client machine for the same application. Accordingly, management of the application instances is maintained local to the client machine.
    • 提供了一种用于管理通过网络与服务器通信的客户机中的一个或多个应用实例的激活的方法和装置。 客户机配置有客户机本地的管理器来管理应用程序实例。 与应用程序实例相关联的数据在客户机上维护。 在将应用程序的通信发送到服务器之前,管理员确保应用程序实例不存在并为同一应用程序的客户机本地激活。 因此,应用程序实例的管理维护在客户机本地。