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    • 6. 发明申请
    • Embedded data layers
    • 嵌入式数据层
    • US20050021970A1
    • 2005-01-27
    • US10623878
    • 2003-07-21
    • Curtis ReeseJohn HattenBrett Green
    • Curtis ReeseJohn HattenBrett Green
    • G06T1/00H04L9/00H04N1/32
    • G06T1/0071H04N1/32144H04N1/32288H04N1/32299H04N1/32304
    • An improved data embedding and watermarking method and apparatus for images is described that allows for multiple levels of data to be encoded and retrieved, increasing image data content and information in a manner that cannot be lost or separated from the image. The various embodiments include images with two or more data fields/layers watermarked into them or within one or more of their sub-images/objects and methods and apparatus for encoding and decoding the multiple data fields utilizing multiple layer watermarking. Additionally, embodiments of the present invention associate the multiple layers of data directly with an image or sub-image allowing the data to be specific to the image/sub-image and contextual, reducing the potential for reader misunderstanding and improving communication.
    • 描述了一种用于图像的改进的数据嵌入和水印方法和装置,其允许对多级数据进行编码和检索,以不能丢失或与图像分离的方式增加图像数据内容和信息。 各种实施例包括具有水印到其中或其一个或多个子图像/对象中的两个或多个数据字段/层的图像,以及利用多层水印对多个数据字段进行编码和解码的方法和装置。 此外,本发明的实施例将多层数据直接与允许数据特定于图像/子图像和上下文的图像或子图像相关联,减少了读者误解和改善通信的可能性。