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    • 8. 发明授权
    • Method and system for validating a security marking
    • 验证安全标记的方法和系统
    • US07966267B2
    • 2011-06-21
    • US12422565
    • 2009-04-13
    • Judith D. AuslanderRobert A CorderyClaude Zeller
    • Judith D. AuslanderRobert A CorderyClaude Zeller
    • G06F12/14
    • B41M3/144G06K7/12G06K19/14
    • A method and system for authenticating an item by using a security marking. The security marking is provided on the item with an OVD ink capable of absorbing light in a visible wavelength range to appear visibly black and producing a red fluorescent emission under ultraviolet excitation. Under visible light illumination and ultraviolet excitation, a visible image and a fluorescent image are obtained from the security marking using image scanners. The images are compared to find a substantial match with each other. The security marking can be a postage indicium, a barcode, a symbol, a message or an image. The item to be authenticated can be a mailpiece, a banknote, a tag, a ticket, a document, an identification card, or the like.
    • 一种通过使用安全标记认证物品的方法和系统。 在该项目上提供安全标记,其具有能够吸收可见光波长范围内的光的OVD油墨,以显现出明显的黑色,并在紫外线激发下产生红色荧光发射。 在可见光照射和紫外线激发下,使用图像扫描仪从安全标记获得可视图像和荧光图像。 将图像进行比较以找到彼此的实质匹配。 安全标记可以是邮资标签,条形码,符号,消息或图像。 要认证的物品可以是邮件,钞票,标签,票证,文件,身份证等。
    • 10. 发明授权
    • System and method for embedding and extracting key information
    • 嵌入和提取关键信息的系统和方法
    • US07379205B2
    • 2008-05-27
    • US10737006
    • 2003-12-16
    • Judith D. AuslanderSteven M. KayeJeffrey D. Pierce
    • Judith D. AuslanderSteven M. KayeJeffrey D. Pierce
    • H04N1/40H04N1/56
    • G06K9/2063G06K9/2018G06K2209/01
    • In accordance with an embodiment of the invention, a method for embedding key information into a printed document is disclosed. The method comprises creating a first section comprising a first ink having a first color under white light; and creating a second section comprising a second different ink. The second ink comprises a fluorescent ink and has a second color under white light which is substantially the same as the first color, and the fluorescent ink has a fluorescence when subjected to fluorescent-exciting radiation. The first section and the second section are visually indiscernible from each other on the printed document in white light. Also, the second section comprises key information, which is selected or highlighted by a user during creation of the document, and the first section comprises non-selected information.
    • 根据本发明的实施例,公开了一种将密钥信息嵌入到打印文档中的方法。 该方法包括在白光下形成包括具有第一颜色的第一墨的第一部分; 以及创建包括第二不同墨水的第二部分。 第二墨水包括荧光墨水,并且在与第一颜色基本相同的白光下具有第二颜色,并且当经受荧光激发辐射时,荧光墨水具有荧光。 第一部分和第二部分在白光下在打印文档上彼此在视觉上不可辨别。 此外,第二部分包括在创建文档期间由用户选择或突出显示的密钥信息,并且第一部分包括未选择的信息。