公开(公告)号：US08406455B2

公开(公告)日：2013-03-26

申请号：US12066837

申请日：2006-09-27

申请人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： G06K9/00 ,  H04N1/40

CPC分类号： G06T1/005 ,  G06T2201/0051 ,  G06T2201/0065 ,  G06T2201/0083 ,  H04N1/32144 ,  H04N1/32203

摘要： A digital watermark embedding device and a digital watermark detecting device are obtained, which can realize stable digital watermark detection using fewer, and embed and detect a larger amount of digital watermark information with an identical number of pixels used for digital watermark embedding in a conventional technology. The digital watermark embedding device includes: an embedding-information converting unit (103) for converting inputted information to be embedded into a bit string formed of “0's” and “1's” and embedding respective bits of the converted bit string multiple times to output a digital watermark pattern having N −1's or N+1's as elements; an orthogonal-pattern generating unit (105) for generating orthogonal patterns each formed of a combination of elements of −1's and +1's and orthogonal to one another; an integrating unit (109) for integrating each of the orthogonal patterns from the orthogonal-pattern generating unit with each of the elements of the digital watermark pattern from the embedding-information converting unit to generate an embedding pattern; and a digital-watermark embedding unit (107) for embedding embedding pattern from the integrating unit in an input image and outputting an image after embedding information.

摘要翻译： 获得了一种数字水印嵌入装置和数字水印检测装置，其可以使用较少的数字水印检测来实现稳定的数字水印检测，并且在常规技术中嵌入和检测用于数字水印嵌入的相同数量的像素的较大数量的水印信息 。 数字水印嵌入装置包括：嵌入信息转换单元，用于将要嵌入的输入信息转换成由0和1形成的比特串，并且多次嵌入转换的比特串的各个比特，以输出具有 N -1或N + 1作为元素; 正交图案生成单元，用于产生各自由-1和+1的元素的组合形成并且彼此正交的正交图案; 积分单元，用于将来自正交图案生成单元的每个正交图案与来自嵌入信息转换单元的数字水印图案的每个元素集成以产生嵌入图案; 以及用于将嵌入模式从积分单元嵌入到输入图像中并在嵌入信息之后输出图像的数字水印嵌入单元（107）。

公开(公告)号：US08000494B2

公开(公告)日：2011-08-16

申请号：US12066772

申请日：2006-09-27

申请人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： G06K9/00

CPC分类号： H04N1/32149 ,  G06T1/005 ,  G06T2201/0065 ,  H04N1/00005 ,  H04N1/00037 ,  H04N1/00045 ,  H04N2201/3233 ,  H04N2201/327

摘要： A digital watermark detecting device includes an extracting unit to extract pixels embedded as a digital watermark from an input image and to output an extracted pixel value row, a generating unit to generate a set of orthogonal patterns, a detecting unit to calculate a correlation using an integration result of the orthogonal patterns and the extracted pixel value row, to determine detected values corresponding to the orthogonal patterns and a standard deviation for detected values excluding a maximum detected value with a maximum absolute value from the calculated detected values, to calculate a quotient by dividing the maximum detected value by the standard deviation, a discriminating unit to output information corresponding to the result of comparison between a threshold parameter and the quotient, and a unit to convert the detected value inputted from the detecting unit into predetermined information, when the reliability of the detected values satisfies a standard.

摘要翻译： 一种数字水印检测装置，包括提取单元，从输入图像提取作为数字水印嵌入的像素，并输出提取的像素值行;生成单元，生成一组正交图案;检测单元，使用 正交图案和提取的像素值行的积分结果，以根据所计算的检测值确定与正交图案相对应的检测值和除去具有最大绝对值的最大检测值的检测值的标准偏差，以通过 将最大检测值除以标准偏差，鉴别单元输出与阈值参数和商之间的比较结果相对应的信息，以及将从检测单元输入的检测值转换为预定信息的单元，当可靠性 的检测值满足标准。

公开(公告)号：US20090285442A1

公开(公告)日：2009-11-19

申请号：US12066837

申请日：2006-09-27

申请人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： G06K9/00

CPC分类号： G06T1/005 ,  G06T2201/0051 ,  G06T2201/0065 ,  G06T2201/0083 ,  H04N1/32144 ,  H04N1/32203

摘要： A digital watermark embedding device and a digital watermark detecting device are obtained, which can realize stable digital watermark detection using fewer, and embed and detect a larger amount of digital watermark information with an identical number of pixels used for digital watermark embedding in a conventional technology. The digital watermark embedding device includes: an embedding-information converting unit (103) for converting inputted information to be embedded into a bit string formed of “0's” and “1's” and embedding respective bits of the converted bit string multiple times to output a digital watermark pattern having N −1's or N+1's as elements; an orthogonal-pattern generating unit (105) for generating orthogonal patterns each formed of a combination of elements of −1's and +1's and orthogonal to one another; an integrating unit (109) for integrating each of the orthogonal patterns from the orthogonal-pattern generating unit with each of the elements of the digital watermark pattern from the embedding-information converting unit to generate an embedding pattern; and a digital-watermark embedding unit (107) for embedding pattern from the integrating unit in an input image and outputting an image after embedding information.

摘要翻译： 获得了一种数字水印嵌入装置和数字水印检测装置，其可以使用较少的数字水印检测来实现稳定的数字水印检测，并且在常规技术中嵌入和检测用于数字水印嵌入的相同数量的像素的较大数量的水印信息 。 数字水印嵌入装置包括：嵌入信息转换单元，用于将要嵌入的输入信息转换成由“0”和“1”形成的比特串，并且多次嵌入转换的比特串的各个比特以输出 具有N-1或N + 1作为元素的数字水印图案; 正交图案生成单元，用于产生各自由-1和+1的元素的组合形成并且彼此正交的正交图案; 积分单元，用于将来自正交图案生成单元的每个正交图案与来自嵌入信息转换单元的数字水印图案的每个元素集成以产生嵌入图案; 以及数字水印嵌入单元，用于将来自所述积分单元的图案嵌入到输入图像中，并且在嵌入信息之后输出图像。

公开(公告)号：US20090136084A1

公开(公告)日：2009-05-28

申请号：US12066772

申请日：2006-09-27

申请人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Koichi Magai ,  Hiroshi Ito ,  Ryousuke Fujii ,  Mitsuyoshi Suzuki ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： G06K9/00

CPC分类号： H04N1/32149 ,  G06T1/005 ,  G06T2201/0065 ,  H04N1/00005 ,  H04N1/00037 ,  H04N1/00045 ,  H04N2201/3233 ,  H04N2201/327

摘要： Provided is a digital watermark detecting device for improving the accuracy of reliability judgment of detected information thereby to prevent misdetection. The digital watermark detecting device includes a pixel extracting unit (107) for extracting pixels embedded as a digital watermark from an input image to output an extracted pixel value row, an orthogonal pattern generating unit (102) for generating all orthogonal patterns belonging to a set of patterns orthogonal to one another, a detecting unit (103) for calculating a correlation by using the integration result of each of the orthogonal patterns and the extracted pixel value row, to determine the detected values corresponding to the respective orthogonal patterns and a standard deviation for detected values excluding a maximum detected value with a maximum absolute value from the calculated respective detected values, thereby to calculate a reliability discrimination parameter value given as the quotient obtained by dividing the maximum detected value by the standard deviation, a reliability discriminating unit (104) for outputting information corresponding to the result of comparison between a threshold parameter and the reliability discrimination parameter value, and a detected-information converting unit (105) for converting the detected value inputted from the detecting unit into predetermined information, when the reliability of the detected values satisfies a standard, and for outputting the predetermined information.

摘要翻译： 提供了一种用于提高检测信息的可靠性判断的准确性的电子水印检测装置，从而防止错误检测。 电子水印检测装置包括：一个像素提取单元，用于从输入图像提取作为数字水印嵌入的像素，以输出提取的像素值行;正交图案生成单元，用于产生属于一组的所有正交图样; 用于通过使用每个正交图案和所提取的像素值行的积分结果来计算相关性的检测单元（103），以确定对应于各个正交图案的检测值和标准偏差 对于从计算出的各个检测值除去具有最大绝对值的最大检测值的检测值，从而计算作为通过将最大检测值除以标准偏差而获得的商给出的可靠性鉴别参数值，可靠性鉴别单元（104 ），用于输出与比较结果相对应的信息 以及检测信息转换单元（105），用于将从检测单元输入的检测值转换为预定信息，当检测值的可靠性满足标准时，输出 预定信息。

公开(公告)号：US08126194B2

公开(公告)日：2012-02-28

申请号：US12097051

申请日：2006-12-01

申请人： Ryousuke Fujii ,  Tokumichi Murakami ,  Koutarou Asai ,  Mitsuyoshi Suzuki ,  Hiroshi Itou ,  Koichi Magai

发明人： Ryousuke Fujii ,  Tokumichi Murakami ,  Koutarou Asai ,  Mitsuyoshi Suzuki ,  Hiroshi Itou ,  Koichi Magai

IPC分类号： G06K9/00

CPC分类号： H04N1/32149 ,  G06T1/0028 ,  H04N1/32315 ,  H04N19/467

摘要： The digital watermark embedding apparatus includes: a storing unit (15) for storing in advance at least one embedding function, at least one image converting program, and at least one image processing program that are required for a digital watermark embedding process, and storing in advance combination process information in which a process ID is assigned to each combination of those processing functions; an embedding process selecting unit (12) for selecting, as particular combination process information, one of a plurality of pieces of the combination process information; and an embedding unit (14) for obtaining from the storing unit (15) the embedding function, the image converting program, and the image processing program which are included in the selected particular combination process information, embedding particular embedding information into multimedia data, and generating determination information including the process ID corresponding to the particular combination process information.

摘要翻译： 数字水印嵌入装置包括：预先存储至少一个嵌入功能的存储单元（15），至少一个图像转换程序，以及数字水印嵌入处理所需的至少一个图像处理程序，并存储在 将处理ID分配给这些处理功能的每个组合的提前组合处理信息; 一种嵌入处理选择单元，用于选择多个组合处理信息中的一个作为特定组合处理信息; 以及用于从所述存储单元（15）获得包括在所选择的特定组合处理信息中的嵌入功能，图像转换程序和图像处理程序，将特定嵌入信息嵌入到多媒体数据中的嵌入单元（14），以及 产生包括对应于特定组合处理信息的处理ID的确定信息。

公开(公告)号：US20090202103A1

公开(公告)日：2009-08-13

申请号：US12097051

申请日：2006-12-01

申请人： Ryousuke Fujii ,  Tokumichi Murakami ,  Koutarou Asai ,  Mitsuyoshi Suzuki ,  Hiroshi Itou ,  Koichi Magai

发明人： Ryousuke Fujii ,  Tokumichi Murakami ,  Koutarou Asai ,  Mitsuyoshi Suzuki ,  Hiroshi Itou ,  Koichi Magai

IPC分类号： G06K9/00

CPC分类号： H04N1/32149 ,  G06T1/0028 ,  H04N1/32315 ,  H04N19/467

摘要： The digital watermark embedding apparatus includes: a storing unit (15) for storing in advance at least one embedding function, at least one image converting program, and at least one image processing program that are required for a digital watermark embedding process, and storing in advance combination process information in which a process ID is assigned to each combination of those processing functions; an embedding process selecting unit (12) for selecting, as particular combination process information, one of a plurality of pieces of the combination process information; and an embedding unit (14) for obtaining from the storing unit (15) the embedding function, the image converting program, and the image processing program which are included in the selected particular combination process information, embedding particular embedding information into multimedia data, and generating determination information including the process ID corresponding to the particular combination process information.

摘要翻译： 数字水印嵌入装置包括：预先存储至少一个嵌入功能的存储单元（15），至少一个图像转换程序，以及数字水印嵌入处理所需的至少一个图像处理程序，并存储在 将处理ID分配给这些处理功能的每个组合的提前组合处理信息; 一种嵌入处理选择单元，用于选择多个组合处理信息中的一个作为特定组合处理信息; 以及用于从所述存储单元（15）获得包括在所选择的特定组合处理信息中的嵌入功能，图像转换程序和图像处理程序，将特定嵌入信息嵌入到多媒体数据中的嵌入单元（14），以及 产生包括对应于特定组合处理信息的处理ID的确定信息。

公开(公告)号：US20080285789A1

公开(公告)日：2008-11-20

申请号：US11579873

申请日：2004-07-15

申请人： Tomohiro Kimura ,  Mitsuyoshi Suzuki ,  Hiroshi Ito ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai

发明人： Tomohiro Kimura ,  Mitsuyoshi Suzuki ,  Hiroshi Ito ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai

IPC分类号： G06K9/00

CPC分类号： H04N1/32144 ,  G06T1/0092 ,  G06T2201/0051 ,  H04N1/32229 ,  H04N1/32347 ,  H04N2201/3254 ,  H04N2201/3266 ,  H04N2201/3273 ,  H04N2201/328

摘要： An information processing apparatus includes an additional information conversion means for converting a text of related information into additional information and outputting this additional information, and for outputting an amount of additional information for each point of interest, an embedding region allocating means for outputting region management information including the amount of additional information, for allocating an embedding region for the additional information in an original digital input image on the basis of image size information and the amount of additional information, and for outputting information on the embedding region as region information, and an information embedding means for embedding the region management information in a predetermined region in the original digital input image, and also embedding the additional information in the original digital input image on the basis of the region information to generate and output a watermarked image.

摘要翻译： 一种信息处理装置，包括附加信息转换装置，用于将相关信息的文本转换为附加信息并输出该附加信息，并输出每个兴趣点的附加信息量;嵌入区域分配装置，用于输出区域管理信息 包括附加信息量，用于基于图像尺寸信息和附加信息量来分配原始数字输入图像中的附加信息的嵌入区域，并且用于输出关于嵌入区域的信息作为区域信息，以及 用于将原始数字输入图像中的预定区域中的区域管理信息嵌入的信息嵌入装置，并且还根据区域信息将附加信息嵌入到原始数字输入图像中，以生成并输出水印图像。

公开(公告)号：US08000394B2

公开(公告)日：2011-08-16

申请号：US10584188

申请日：2004-03-08

申请人： Hiroshi Ito ,  Mitsuyoshi Suzuki ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai ,  Tomohiro Kimura

发明人： Hiroshi Ito ,  Mitsuyoshi Suzuki ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai ,  Tomohiro Kimura

IPC分类号： H04N7/12

CPC分类号： H04N19/44 ,  G10L19/00 ,  H04N19/126 ,  H04N19/18 ,  H04N19/60

摘要： Provided are a program, a method, and an apparatus for decoding coded data, capable of completely restoring an original stream when decoded data is coded again by causing a computer to function as: means for receiving an input of a signal coded by lossy compression and orthogonally projecting an optional real number vector on one convex aggregate X in a first vector space in which the decoded signal is present; means for judging convergence of convex projection and obtaining a real number vector x belonging to the aggregate X to output the same as a decoded signal when the convergence of the convex projection is judged; and means for orthogonally projecting an optional vector of the first vector space on one convex aggregate Y in a second vector space different from the first vector space when the convergence of the convex projection is not judged, and then repeating orthogonal projection on the aggregate X and the aggregate Y with the coded signal set as an initial value.

摘要翻译： 提供了一种用于对编码数据进行解码的程序，方法和装置，当解码数据被再次通过使计算机起作用时，能够完全恢复原始流：用于接收通过有损压缩编码的信号的输入的装置， 在存在解码信号的第一向量空间中将可选实数向量正交投影在一个凸集合X上; 用于当判断凸投影的会聚时，判断凸投影的收敛并获得属于聚集X的实数向量x以输出与解码信号相同的装置; 以及用于当不判断凸投影的会聚时，将与第一向量空间不同的第二向量空间中的第一向量空间的任选向量正交投影到一个凸集合Y上，然后在聚集X上重复正交投影 将编码信号设置为初始值的聚合Y。

公开(公告)号：US07925042B2

公开(公告)日：2011-04-12

申请号：US11579873

申请日：2004-07-15

申请人： Tomohiro Kimura ,  Mitsuyoshi Suzuki ,  Hiroshi Ito ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai

发明人： Tomohiro Kimura ,  Mitsuyoshi Suzuki ,  Hiroshi Ito ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai

IPC分类号： G06K9/00 ,  H04N7/167

CPC分类号： H04N1/32144 ,  G06T1/0092 ,  G06T2201/0051 ,  H04N1/32229 ,  H04N1/32347 ,  H04N2201/3254 ,  H04N2201/3266 ,  H04N2201/3273 ,  H04N2201/328

摘要： An information processing apparatus includes an additional information conversion means for converting a text of related information into additional information and outputting this additional information, and for outputting an amount of additional information for each point of interest, an embedding region allocating means for outputting region management information including the amount of additional information, for allocating an embedding region for the additional information in an original digital input image on the basis of image size information and the amount of additional information, and for outputting information on the embedding region as region information, and an information embedding means for embedding the region management information in a predetermined region in the original digital input image, and also embedding the additional information in the original digital input image on the basis of the region information to generate and output a watermarked image.

摘要翻译： 一种信息处理装置，包括附加信息转换装置，用于将相关信息的文本转换为附加信息并输出该附加信息，并输出每个兴趣点的附加信息量;嵌入区域分配装置，用于输出区域管理信息 包括附加信息量，用于基于图像尺寸信息和附加信息量来分配原始数字输入图像中的附加信息的嵌入区域，并且用于输出关于嵌入区域的信息作为区域信息，以及 用于将原始数字输入图像中的预定区域中的区域管理信息嵌入的信息嵌入装置，并且还根据区域信息将附加信息嵌入到原始数字输入图像中，以生成并输出水印图像。

公开(公告)号：US20070122044A1

公开(公告)日：2007-05-31

申请号：US10584188

申请日：2004-03-08

申请人： Hiroshi Ito ,  Mitsuyoshi Suzuki ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai ,  Tomohiro Kimura

发明人： Hiroshi Ito ,  Mitsuyoshi Suzuki ,  Minoru Wada ,  Ryousuke Fujii ,  Koichi Magai ,  Tomohiro Kimura

IPC分类号： G06K9/36

CPC分类号： H04N19/44 ,  G10L19/00 ,  H04N19/126 ,  H04N19/18 ,  H04N19/60

摘要： Provided are a program, a method, and an apparatus for decoding coded data, capable of completely restoring an original stream when decoded data is coded again by causing a computer to function as: means for receiving an input of a signal coded by lossy compression and orthogonally projecting an optional real number vector on one convex aggregate X in a first vector space in which the decoded signal is present; means for judging convergence of convex projection and obtaining a real number vector x belonging to the aggregate X to output the same as a decoded signal when the convergence of the convex projection is judged; and means for orthogonally projecting an optional vector of the first vector space on one convex aggregate Y in a second vector space different from the first vector space when the convergence of the convex projection is not judged, and then repeating orthogonal projection on the aggregate X and the aggregate Y with the coded signal set as an initial value.

摘要翻译： 提供了一种用于对编码数据进行解码的程序，方法和装置，当解码数据被再次通过使计算机起作用时，能够完全恢复原始流：用于接收通过有损压缩编码的信号的输入的装置， 在存在解码信号的第一向量空间中将可选实数向量正交投影在一个凸集合X上; 用于当判断凸投影的会聚时，判断凸投影的收敛并获得属于聚集X的实数向量x以输出与解码信号相同的装置; 以及用于当不判断凸投影的会聚时，将与第一向量空间不同的第二向量空间中的第一向量空间的任选向量正交投影到一个凸集合Y上，然后在聚集X上重复正交投影 将编码信号设置为初始值的聚合Y。