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    • 3. 发明申请
    • Method for embedding security codes into film during printing
    • 在打印期间将安全码嵌入胶卷的方法
    • US20060049262A1
    • 2006-03-09
    • US11123987
    • 2005-05-06
    • Margit EloWilliam HogueJeffrey Bartley
    • Margit EloWilliam HogueJeffrey Bartley
    • G06K19/00
    • G06T1/0085
    • A method of embedding a security mark or code on a film during the printing process is provided. The security mark or code includes unique print identification information that can be tracked to determine sources of piracy. The security code is incorporated to the film print in the form of a shift in the light exposure (e.g., color density) of pre-selected frames within pre-selected zone of pre-selected scenes. By shifting the color density and thereby marking a particular zone within a scene, these markings can be used to place a unique print ID onto the film print. This embedded security code (e.g., print ID) will be virtually undetectable to the viewer and film pirates; yet will enable the identification of the film source in the event of piracy.
    • 提供了一种在打印过程中将安全标记或代码嵌入胶卷的方法。 安全标记或代码包括唯一的打印标识信息,可以跟踪以确定盗版的来源。 安全码以预先选择的场景的预选区域内的预先选择的帧的曝光(例如,颜色浓度)的偏移的形式结合到胶片打印中。 通过移动颜色浓度并从而标记场景中的特定区域,这些标记可用于将独特的打印ID放置在胶片打印上。 该嵌入式安全代码(例如,打印ID)对于观看者和电影海盗将几乎不可检测; 但是在盗版的情况下,将能够识别电影来源。
    • 5. 发明申请
    • Anti-piracy coding of motion pictures
    • 反盗版编码电影
    • US20050238167A1
    • 2005-10-27
    • US10833263
    • 2004-04-27
    • David DuffieldWilliam Hogue
    • David DuffieldWilliam Hogue
    • G06K9/00H04N5/913
    • H04N5/913H04N2005/91392
    • A method for uniquely identifying a copy of a motion picture disposed on a medium. A first sequence and a second sequence of the motion picture each can be selectively marked with an identifier mark to collectively define a uniquely identifiable marking pattern. A third sequence of the motion picture can be selectively marked with an error correction mark correlating to the uniquely identifiable marking pattern. The uniquely identifiable marking pattern is determinable absent at least one of the identifier marks by processing the error correction mark and remaining ones of the identifier marks. The error correction mark can be determined from values correlating the identifier marks.
    • 一种用于唯一地识别布置在介质上的电影的副本的方法。 运动画面的第一序列和第二序列各自可以选择性地标记有标识符标记,以共同定义唯一可识别的标记图案。 运动画面的第三个序列可以选择性地标记与唯一可识别的标记图案相关的纠错标记。 唯一可识别的标记图案是通过处理错误校正标记和标识符标记中的剩余标记标记来确定的,不存在至少一个标识符标记。 误差校正标记可以根据与标识符标记相关的值来确定。