公开(公告)号：US20040008864A1

公开(公告)日：2004-01-15

申请号：US10356322

申请日：2003-01-31

Applicant: Kaleidescape, Inc.

Inventor： Stephen Watson ,  Daniel A. Collens ,  Kevin Hui ,  Michael A. Malcolm

IPC: G06K009/00

CPC classification number: H04N1/32187 ,  G06T1/0035 ,  H04N1/32165 ,  H04N1/32277 ,  H04N19/467 ,  H04N21/2383 ,  H04N21/23892 ,  H04N21/4348 ,  H04N21/8358 ,  H04N2201/324

Abstract: A method of embedding information in digital content representing media streams. The method includes (1) selecting a set of locations within that digital content reprensenting the media stream to embed information, (2) selecting a set of possible alterations to make at those locations, and (3) making a subset of the possible alterations. The set of locations and possible alterations is herein sometimes called a nullwatermark.null The subset of actual alterations that are made is herein sometimes called a nullfingerprint.null The method determines a set of locations at which there are alternative versions of digital content representing the same media stream, such as one being the original and one being an alternative version of the same digital content, herein sometimes called the nulloriginal movienull and the nullalt-movie,null or herein sometimes called the nulloriginal blocknull and the nullalt-blocknull for a particular block in the digital content representing the media stream.

Abstract translation: 一种在表示媒体流的数字内容中嵌入信息的方法。 该方法包括：（1）选择代替媒体流的数字内容中的一组位置以嵌入信息;（2）选择在这些位置进行的一组可能的改变，以及（3）制作可能的改变的子集。 这里的位置和可能的改变在这里有时被称为“水印”。 所做的实际改变的子集有时称为“指纹”。 该方法确定一组位置，其中存在代表相同媒体流的数字内容的替代版本，例如一个是原始的，一个是相同数字内容的替代版本，在此有时称为“原始电影”，并且 “alt-movie”，或有时称为“原始块”的“alt-block”和表示媒体流的数字内容中的特定块的“alt-block”。

公开(公告)号：US20030174857A1

公开(公告)日：2003-09-18

申请号：US10095493

申请日：2002-03-12

Inventor： Hong Heather Yu

IPC: G06K009/00

CPC classification number: H04N1/00 ,  G06T1/0028 ,  G06T2201/0051 ,  G06T2201/0083 ,  H04N1/32203 ,  H04N1/32256 ,  H04N2201/3225 ,  H04N2201/3236 ,  H04N2201/3239 ,  H04N2201/324

Abstract: The present invention is a method for hiding data in document contents. The method comprises receiving information relating to the document contents, wherein at least part of the document contents are of a binary nature, converting the data to halftone pixel groups according to predefined binary classifications associated with combinations of halftone pixels, and embedding the halftone pixel groups into a binary portion of the document contents. Further, the present invention is a method for extracting data hidden in document contents. The method comprises receiving information relating to the document contents, wherein the document contents include halftone pixel groups, extracting the halftone pixel groups from the document contents, and converting the halftone pixel groups to the data according to predefined binary classifications associated with combinations of halftone pixels.

Abstract translation: 本发明是一种在文件内容中隐藏数据的方法。 该方法包括接收与文档内容有关的信息，其中文档内容的至少一部分具有二进制特征，根据与半色调像素的组合相关联的预定二进制分类将数据转换为半色调像素组，并且嵌入半色调像素组 成为文档内容的二进制部分。 此外，本发明是提取隐藏在文档内容中的数据的方法。 该方法包括接收与文档内容相关的信息，其中文档内容包括半色调像素组，从文档内容中提取半色调像素组，并根据与半色调像素的组合相关联的预定二进制分类将半色调像素组转换为数据 。

公开(公告)号：US20030131242A1

公开(公告)日：2003-07-10

申请号：US10317634

申请日：2002-12-12

Inventor： Jason Charles Pelly ,  Daniel Warren Tapson

IPC: H04L009/00

CPC classification number: H04N1/32154 ,  G06T1/0071 ,  G06T2201/0052 ,  G06T2201/0063 ,  H04N1/32165 ,  H04N2201/324 ,  H04N2201/327

Abstract: A watermarking system comprises an encoding data processor operable to generate at least one marked version of an original item of material by introducing one of a predetermined set of code words into a copy of the original material item. The apparatus comprises a code word generator operable to provide the code word having a plurality of code word coefficients, and an encoding processor operable to combine the code word coefficients with the material. Each of the plurality of code words of the set is uniquely associated with a data word having first and second fields. Each of a set of values of the first field is represented as a first part of the code word having a first plurality of coefficients, and the second field is represented as a second part of the code word having a second plurality of coefficients. The present invention provides a facility for generating watermark code words having a hierarchy of values. By providing watermark code words having first and second parts, a data word with first and second fields can be uniquely identified. The first and second fields can be assigned to different associated parameters such as for example address parameters. The first field could therefore identify the country of distribution of the material, whereas the second field could identify a particular distribution outlet within the country. A watermarking system can be formed, which finds particular application in identifying a point of distribution of pirate copies of video material generated by capturing the watermarked image, using, for example, a camcorder in a cinema.

Abstract translation: 一种水印系统包括：编码数据处理器，可操作以通过将预定的一组代码字中的一个引入原始物料的副本来产生原始物料的至少一个标记版本。 该装置包括可操作以提供具有多个码字系数的码字的码字发生器和可操作以将码字系数与该资料组合的编码处理器。 集合的多个码字中的每一个与具有第一和第二字段的数据字唯一地相关联。 第一场的一组值中的每一个被表示为具有第一多个系数的码字的第一部分，并且第二场被表示为具有第二多个系数的码字的第二部分。 本发明提供了一种用于生成具有值层级的水印码字的设备。 通过提供具有第一和第二部分的水印码字，可以唯一地识别具有第一和第二字段的数据字。 可以将第一和第二字段分配给不同的相关参数，例如地址参数。 因此，第一个领域可以确定材料分配的国家，而第二个领域可以识别该国内特定的分销渠道。 可以形成水印系统，其特征在于，通过使用例如电影院中的摄像机来识别通过捕获水印图像而生成的视频资料的盗版副本的分布点。

公开(公告)号：US20030123658A1

公开(公告)日：2003-07-03

申请号：US10317631

申请日：2002-12-12

Inventor： Jason Charles Pelly ,  Daniel Warren Tapson

IPC: H04L009/00

CPC classification number: H04N1/32154 ,  G06T1/005 ,  G06T2201/0052 ,  G06T2201/0063 ,  H04N1/32165 ,  H04N2201/3236 ,  H04N2201/324 ,  H04N2201/327

Abstract: A watermarking system comprises an encoding data processor operable to generate at least one marked version of an original item of material by introducing one of a predetermined set of code words into a copy of the original material item. The encoding data processor is arranged to form other code words of the set by cyclically shifting a first code word. The system includes a detecting data processor operable to identify the code word in the marked material item. The detecting data processor is operable to recover the code word from the marked material item and to form a Fourier transform of the recovered code word and a Fourier transform of the first code word of the set. The data detecting processor forms correlation samples by forming an inverse transform of a combination of the recovered and the first code word. Each of the correlation value samples provides the correlation value for one of the set of code words. A computationally efficient way of calculating the correlation for each code word in the set is thereby provided. As a result a time taken to detect a code word present in a marked material item is improved. The watermarking system finds particular application in identifying a point of distribution of pirate copies of video material generated by capturing the watermarked image, using, for example, a camcorder in a cinema.

公开(公告)号：US20030021443A1

公开(公告)日：2003-01-30

申请号：US10201662

申请日：2002-07-23

Inventor： Jaap Andre Haitsma ,  Antonius Adrianus Cornelis Maria Kalker ,  Alphons Antonius Maria Lambertus Bruekers ,  Minne Van Der Veen

IPC: G06K009/00 ,  G06K009/36 ,  B42D015/00

CPC classification number: G11B20/00086 ,  G06T1/0092 ,  G11B20/00884 ,  H04N1/32203 ,  H04N1/32208 ,  H04N1/32352 ,  H04N2201/324

Abstract: This invention relates to a method and an arrangement for embedding auxiliary data in an information signal. Only a part of a noise signal representing the auxiliary data is embedded but the complete noise signal may be detecting. This allows for a greater payload of the embedded signal. The invention also relates to a corresponding method and arrangement for detecting auxiliary data in an information signal.

Abstract translation: 本发明涉及一种在辅助信息中嵌入辅助数据的方法和装置。 仅嵌入表示辅助数据的噪声信号的一部分，但是可以检测完整的噪声信号。 这允许嵌入式信号的更大的有效载荷。 本发明还涉及用于检测信息信号中辅助数据的相应方法和装置。

公开(公告)号：US06424726B2

公开(公告)日：2002-07-23

申请号：US09907256

申请日：2001-07-17

Applicant: Hirotaka Nakano ,  Masahiro Hashimoto ,  Koji Manabe

Inventor： Hirotaka Nakano ,  Masahiro Hashimoto ,  Koji Manabe

IPC: G06K900

CPC classification number: H04N19/00 ,  G06T1/0021 ,  G06T1/0035 ,  G06T1/20 ,  G06T2201/0052 ,  G06T2201/0053 ,  H04N1/32154 ,  H04N1/32165 ,  H04N1/32187 ,  H04N1/32192 ,  H04N1/32277 ,  H04N19/467 ,  H04N19/60 ,  H04N21/23892 ,  H04N21/8358 ,  H04N2201/324

Abstract: An image data encoding system is disclosed, that comprises a discrete cosine transforming means for discrete-cosine transforming the original image, an electronic watermark data embedding means for embedding the electronic watermark data in the data that has been transformed by the discrete cosine transforming means, and a data selecting means for selecting the output signal of the discrete cosine transforming means or the output signal of the electronic watermark data embedding means. Another image data encoding system is also disclosed, that comprises an electronic watermark embedding means for embedding electronic watermark data selected from a plurality of types of electronic watermark data to the digital image data, wherein at least one of the plurality of types of electronic watermark data is predetermined electronic watermark data that does not affect the digital image data even if the electronic watermark data is embedded in the digital image data.

Abstract translation: 公开了一种图像数据编码系统，其包括用于离散余弦变换原始图像的离散余弦变换装置，用于将电子水印数据嵌入已由离散余弦变换装置变换的数据中的电子水印数据嵌入装置， 以及数据选择装置，用于选择离散余弦变换装置的输出信号或电子水印数据嵌入装置的输出信号。 还公开了另一种图像数据编码系统，其包括用于将从多种类型的电子水印数据中选出的电子水印数据嵌入数字图像数据的电子水印嵌入装置，其中，多种类型的电子水印数据 即使将电子水印数据嵌入在数字图像数据中也是不影响数字图像数据的预定电子水印数据。

公开(公告)号：US06298142B1

公开(公告)日：2001-10-02

申请号：US09022885

申请日：1998-02-12

Applicant: Hirotaka Nakano ,  Masahiro Hashimoto ,  Koji Manabe

Inventor： Hirotaka Nakano ,  Masahiro Hashimoto ,  Koji Manabe

IPC: G06K900

CPC classification number: H04N19/00 ,  G06T1/0021 ,  G06T1/0035 ,  G06T1/20 ,  G06T2201/0052 ,  G06T2201/0053 ,  H04N1/32154 ,  H04N1/32165 ,  H04N1/32187 ,  H04N1/32192 ,  H04N1/32277 ,  H04N19/467 ,  H04N19/60 ,  H04N21/23892 ,  H04N21/8358 ,  H04N2201/324

Abstract: An image data encoding system has a discrete cosine transformer for discrete cosine transforming the original image, an electronic watermark data embedding circuit for embedding the electronic watermark data in the data that has been transformed by the discrete cosine transformer, and a data selector for selecting the output signal of the discrete cosine transformer or the output signal of the electronic watermark data embedding circuit. Another image data encoding system has an electronic watermark embedding circuit for embedding electronic watermark data selected from a plurality of types of electronic watermark data to the digital image data, wherein at least one of the plurality of types of electronic watermark data is predetermined electronic watermark data that does not affect the digital image data even if the electronic watermark data is embedded in the digital image data.

Abstract translation: 图像数据编码系统具有用于离散余弦变换原始图像的离散余弦变换器，用于将电子水印数据嵌入到由离散余弦变换器变换的数据中的电子水印数据嵌入电路，以及用于选择 离散余弦变换器的输出信号或电子水印数据嵌入电路的输出信号。 另一图像数据编码系统具有电子水印嵌入电路，用于将从多种类型的电子水印数据中选出的电子水印数据嵌入到数字图像数据中，其中，多种类型的电子水印数据中的至少一种是预定的电子水印数据 即使电子水印数据被嵌入在数字图像数据中也不影响数字图像数据。

公开(公告)号：US06086706A

公开(公告)日：2000-07-11

申请号：US170619

申请日：1993-12-20

Applicant: John T. Brassil ,  Steven H. Low ,  Nicholas F. Maxemchuk ,  Lawrence P. O'Gorman

Inventor： John T. Brassil ,  Steven H. Low ,  Nicholas F. Maxemchuk ,  Lawrence P. O'Gorman

IPC: H04N1/00 ,  G03G21/04 ,  G07D7/00 ,  G07D7/20 ,  G07F7/12 ,  G09C1/00 ,  G09C5/00 ,  H04N1/32 ,  H04N1/387 ,  H04N1/40 ,  H04N1/44 ,  B32B31/00

CPC classification number: G07F7/08 ,  G03G21/04 ,  G07D7/0033 ,  G07D7/004 ,  G07D7/20 ,  H04N1/32203 ,  H04N1/32208 ,  H04N1/32219 ,  H04N1/32261 ,  H04N2201/3233 ,  H04N2201/324 ,  H04N2201/327 ,  Y10S283/901

Abstract: The present invention is directed to a method of deterring the illicit copying of electronically published documents. It includes utilizing a computer system to electronically publish a plurality of copies of a document having electronically created material thereon for distribution to a plurality of subscribers and operating programming within the computer system so as to perform the identification code functions. The steps are to encode the plurality of copies each with a separate, unique identification code, the identification code being based on a unique arrangement of the electronically created material on each such copy; and, creating a codebook to correlate each such identification code to a particular subscriber. In some embodiments, decoding methods are included with the encoding capabilities. The unique arrangement of the electronically created material may be based on line-shift coding, word-shift coding, or feature enhancement coding (or combinations of these) and may be effected through bitmap alteration of document format file alteration.

Abstract translation: 本发明涉及一种阻止非法复制电子出版文件的方法。 它包括利用计算机系统电子地发布其上具有电子创建材料的文档的多个副本，以便分配给多个订阅者并在计算机系统内操作编程以便执行识别码功能。 步骤是用单独的唯一识别码对多个副本进行编码，该识别码基于每个这样的副本上电子创建的材料的独特布置; 并且创建码本以将每个这样的识别码与特定用户相关联。 在一些实施例中，编码能力包括解码方法。 电子创建材料的独特布置可以基于线移编码，字移编码或特征增强编码（或它们的组合），并且可以通过文档格式文件改变的位图改变来实现。

公开(公告)号：US5664018A

公开(公告)日：1997-09-02

申请号：US615534

申请日：1996-03-12

Applicant: Frank Thomson Leighton

Inventor： Frank Thomson Leighton

IPC: G06F1/00 ,  G06F21/00 ,  G06T1/00 ,  G11B20/00 ,  H04N1/32 ,  H04N5/913 ,  G09C5/00 ,  H04L9/00

CPC classification number: G06T1/005 ,  G06F21/10 ,  H04N1/32144 ,  H04N1/32304 ,  H04N5/913 ,  G06F2221/0737 ,  G06T2201/0063 ,  G06T2201/0081 ,  G06T2201/0083 ,  G11B20/00086 ,  G11B20/00884 ,  H04N2005/91335 ,  H04N2201/3233 ,  H04N2201/3236 ,  H04N2201/324 ,  H04N2201/327

Abstract: A watermarking procedure wherein each of a set of copies of the work has a slightly-modified form of a "baseline" watermark that is placed within a critical region of the data. The slight variations in the watermarks, however, are not perceptually visible and do not interfere with the work. If multiple persons collude to attempt to create an "illicit" copy of the work (i.e., a copy without a watermark), however, at least one of the modified watermarks is present in the copy, thereby identifying both the illicit copy and the copier.

Abstract translation: 一种水印过程，其中作品的一组副本中的每一个具有放置在数据的关键区域内的“基线”水印的稍微修改形式。 然而，水印的轻微变化在感知上不可见，不会干扰工作。 然而，如果多个人串通尝试创建该作品的“非法”副本（即，没有水印的副本），那么至少一个修改的水印存在于副本中，从而识别非法复制和复印机 。

公开(公告)号：US5629770A

公开(公告)日：1997-05-13

申请号：US414857

申请日：1995-03-31

Applicant: John T. Brassil ,  Steven H. Low ,  Nicholas F. Maxemchuk ,  Lawrence P. O'Gorman

Inventor： John T. Brassil ,  Steven H. Low ,  Nicholas F. Maxemchuk ,  Lawrence P. O'Gorman

IPC: H04N1/00 ,  G03G21/04 ,  G07D7/00 ,  G07D7/20 ,  G07F7/12 ,  G09C1/00 ,  G09C5/00 ,  H04N1/32 ,  H04N1/387 ,  H04N1/40 ,  H04N1/44 ,  H04N1/419 ,  G09C1/06

CPC classification number: G07F7/08 ,  G03G21/04 ,  G07D7/0033 ,  G07D7/004 ,  G07D7/20 ,  H04N1/32203 ,  H04N1/32208 ,  H04N1/32219 ,  H04N1/32261 ,  H04N2201/3233 ,  H04N2201/324 ,  H04N2201/327 ,  Y10S283/901

Abstract: A method is provided that deters the illicit copying of electronically published documents. It includes publishing a plurality of copies of electronically created material to be distributed to a plurality of subscribers. Each copy of subscriber's document has a unique identification code embedded in the document. The arrangement of the code on the document is based on the line-shifting and word-shifting techniques. This is to minimize the effects from noise and distortions on future illicit copies to simplify detection and decoding of the unique code. A codebook is created to correlate each unique code with each subscriber.

Abstract translation: 提供了一种阻止非法复制电子出版文件的方法。 它包括发布要分发给多个用户的电子创建材料的多个副本。 用户文档的每个副本都具有嵌入在文档中的唯一标识码。 文档上的代码的排列是基于换行和换字技术。 这是为了尽量减少对未来非法复制的噪音和扭曲的影响，以简化唯一代码的检测和解码。 创建码本以将每个唯一代码与每个订户相关联。