公开(公告)号：EP2169613A1

公开(公告)日：2010-03-31

申请号：EP09002280.7

申请日：2009-02-18

Applicant: Fuji Xerox Co., Ltd.

Inventor： Ashikaga, Hideaki

IPC: G06T1/00 ,  G06K9/20

CPC classification number: G06K9/2054 ,  G06K2009/6213 ,  G06T1/0021 ,  G06T2201/0051 ,  G06T2201/0061 ,  G06T2201/0201

Abstract: An image processing apparatus includes: an image dividing unit that divides a first image and a second image into a plurality of first divided images and a plurality of second divided images, respectively; a corresponding divided image extract unit that extracts the second divided images corresponding to the first divided images; a difference extract unit that extracts a difference image having a difference generated due to additional entry or extraction between pixels included within each of the first divided images and pixels included within each of the second divided images; a first change unit that, in a case where the first divided images has such a movement relationship that it can be moved relative to the second divided images, changes a color of the second divided images into a first color; a second change unit that changes a color of the difference image extracted by the difference extract unit into a second color; and an image output unit that outputs the second divided images with the color changed by the first change unit and the difference image with the color changed by the second change unit.

Abstract translation: 一种图像处理设备包括：图像分割单元，其将第一图像和第二图像分别分割成多个第一分割图像和多个第二分割图像; 对应的分割图像提取单元，其提取与第一分割图像对应的第二分割图像; 差分提取单元，提取差分图像，所述差分图像具有由于包括在每个第一分割图像内的像素和包括在每个第二分割图像内的像素之间的附加输入或提取而产生的差异; 第一改变单元，在第一分割图像具有可相对于第二分割图像移动的移动关系的情况下，将第二分割图像的颜色改变为第一颜色; 第二改变单元，其将由差异提取单元提取的差异图像的颜色改变为第二颜色; 以及图像输出单元，其输出具有由第一改变单元改变的颜色的第二分割图像和利用由第二改变单元改变的颜色的差分图像。

公开(公告)号：EP1453298A4

公开(公告)日：2007-04-25

申请号：EP02788705

申请日：2002-12-03

Applicant: FUSO PREC CO LTD ,  NAIGAI PROCESS CO LTD

Inventor： TAKEDA NAOTO ,  TANIGUCHI MASAMICHI ,  TANIGUCHI KUNIO ,  YAMAMOTO KIYOTAKA

IPC: H04N1/40 ,  H04L9/32 ,  H04N1/387

CPC classification number: G06T1/0021 ,  G06T2201/0201

Abstract: A digital data false alteration detection program causes a computer to execute (a) a step (S1) of dividing digital data into a plurality of smaller block data, (b) a step (S2) of extracting noise inherent to a digital data acquisition device for each of the small block data, (c) a step (S3) of calculating correlation of the noise between adjacent small block data, and (d) a step (S4) of detecting small block data having noise correlation lower than a level predetermined for the surrounding small block data, as falsely altered data.

公开(公告)号：US20180197004A1

公开(公告)日：2018-07-12

申请号：US15912120

申请日：2018-03-05

Applicant: Honeywell International Inc.

Inventor： Scott McCloskey

IPC: G06K9/00 ,  G06K9/62

CPC classification number: G06K9/00577 ,  G06F2221/074 ,  G06K9/6202 ,  G06K9/6289 ,  G06K9/629 ,  G06K2009/00583 ,  G06K2209/27 ,  G06T1/0028 ,  G06T2201/0201 ,  H04N1/32128 ,  H04N2201/0005 ,  H04N2201/3235 ,  H04N2201/3252 ,  H04N2201/3257

Abstract: An image forensics system estimates a camera response function (CRF) associated with a digital image, and compares the estimated CRF to a set of rules and compares the estimated CRF to a known CRF. The known CRF is associated with a make and a model of an image sensing device. The system applies a fusion analysis to results obtained from comparing the estimated CRF to a set of rules and from comparing the estimated CRF to the known CRF, and assesses the integrity of the digital image as a function of the fusion analysis.

公开(公告)号：US09978113B2

公开(公告)日：2018-05-22

申请号：US15181018

申请日：2016-06-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Malgorzata M. Sturgill ,  Steven J. Simske ,  Jason S. Aronoff ,  Marie Vans ,  Paul S. Everest

IPC: G06K9/00 ,  G06T1/00

CPC classification number: G06T1/0028 ,  G06T2201/0051 ,  G06T2201/0201

Abstract: A counterfeit identification performance attribute (SIPA) sensitivity to changes in resolution of the image for features of an image is determined. The CIPA sensitivity for the features is used to choose at least one feature to determine whether the image on a sample is a counterfeit.

公开(公告)号：US09519942B2

公开(公告)日：2016-12-13

申请号：US14623925

申请日：2015-02-17

Applicant: SYS-TECH SOLUTIONS, INC.

Inventor： Michael L. Soborski

IPC: G06K9/00 ,  G06T1/00

CPC classification number: G06T1/0042 ,  G06F21/44 ,  G06K7/10 ,  G06T1/0028 ,  G06T2201/0063 ,  G06T2201/0201

Abstract: The present disclosure is generally directed to a method and computing device for determining whether a mark is genuine. According to various embodiments, a computing device (or logic circuitry thereof) uses unintentionally-produced artifacts within a genuine mark to define an identifiable electronic signature, and extracts certain location identifiers corresponding to certain measured features of the signature in order to enhance the ease and speed with which numerous genuine signatures can be searched and compared with signatures of candidate marks.

Abstract translation: 本公开通常涉及用于确定标记是否是真实的方法和计算装置。 根据各种实施例，计算设备（或其逻辑电路）使用真实标记内的无意产生的伪影来定义可识别的电子签名，并且提取与特征的某些测量特征相对应的某些位置标识符，以便增强容易度 可以搜索许多真实签名并与候选标记的签名进行比较的速度。

公开(公告)号：US08639062B2

公开(公告)日：2014-01-28

申请号：US11869123

申请日：2007-10-09

Applicant: Matthew A. Calman ,  Lisa Gibson ,  Lowell R. Huff ,  James G. Ronca

Inventor： Matthew A. Calman ,  Lisa Gibson ,  Lowell R. Huff ,  James G. Ronca

IPC: G06K9/00 ,  G06K9/46 ,  G06K9/54 ,  G06K9/60 ,  G06K9/66 ,  G06F21/00 ,  G06F17/30 ,  G06F12/00 ,  G06F13/00 ,  G06F13/28 ,  H04L9/32

CPC classification number: G06K9/18 ,  G06F17/30247 ,  G06K9/033 ,  G06T1/0028 ,  G06T2201/0201 ,  H04N1/32128 ,  H04N1/32144 ,  H04N2201/3235 ,  H04N2201/3236 ,  H04N2201/327 ,  H04N2201/3281

Abstract: Image integrity in an archive can be verified using document characteristics. Embodiments of the invention provide a way to verify the integrity of a stored document image by determining document characteristics, which can also be embedded in the image file. Before allowing access to the image file by an application, the characteristics data from an image analysis can be compared to either or both of, characteristics information otherwise stored, or embedded characteristics data. The embedded data can optionally be encrypted. In example embodiments the data can include a result of an optical character recognition of contents of the document, a length of data describing the image, a percentage of a specified color of pixels in the image, or a checksum. Example embedding techniques can include those making use of a tagged image file format (TIFF) header, a steganographic watermark, or an image artifact.

Abstract translation: 存档中的图像完整性可以使用文档特征进行验证。 本发明的实施例提供了一种通过确定文档特性来验证所存储的文档图像的完整性的方式，文档特征也可以被嵌入在图像文件中。 在允许应用程序访问图像文件之前，来自图像分析的特征数据可以与另外存储的特征信息或嵌入的特征数据中的一个或两者进行比较。 嵌入式数据可以可选地加密。 在示例实施例中，数据可以包括文档内容的光学字符识别的结果，描述图像的数据的长度，图像中指定的像素颜色的百分比或校验和。 示例嵌入技术可以包括使用标记图像文件格式（TIFF）头，隐写水印或图像伪影的那些。

公开(公告)号：US08379911B2

公开(公告)日：2013-02-19

申请号：US13027675

申请日：2011-02-15

Applicant: Aditya Vashistha ,  Rajarathnam Nallusamy ,  Sanjoy Paul

Inventor： Aditya Vashistha ,  Rajarathnam Nallusamy ,  Sanjoy Paul

IPC: G06K9/00 ,  H04L9/32

CPC classification number: G09C5/00 ,  G06T1/005 ,  G06T1/0085 ,  G06T2201/0201 ,  H04L2209/608

Abstract: A method for watermarking of video content is provided. An averaged scene image is computed for each scene of video content by performing averaging of frames present in each scene of video content. For each averaged scene image a set of random numbers are generated using a secret key to identify pixels at random locations of the averaged scene image. The secret key is associated with a watermark pattern corresponding to each averaged scene image. The identified pixels in each averaged scene image are mapped to each pixel of corresponding watermark pattern to obtain respective mapped pixels. Using respective mapped pixels, values of verification information are fetched and assigned using predetermined rules. The values of verification information are arranged to obtain first visual cryptographic share of watermark pattern for each averaged scene image.

Abstract translation: 提供了一种用于水印视频内容的方法。 通过对视频内容的每个场景中存在的帧进行平均，对视频内容的每个场景计算平均场景图像。 对于每个平均场景图像，使用秘密密钥来生成一组随机数，以识别平均场景图像的随机位置处的像素。 秘密密钥与对应于每个平均场景图像的水印图案相关联。 将每个平均场景图像中的识别像素映射到相应水印图案的每个像素，以获得相应的映射像素。 使用相应的映射像素，使用预定规则来获取和分配验证信息的值。 布置验证信息的值以获得每个平均场景图像的水印图案的第一可视加密份额。

公开(公告)号：US20110158538A1

公开(公告)日：2011-06-30

申请号：US13061027

申请日：2009-07-14

Applicant: Kota Iwamoto ,  Ryoma Oami

Inventor： Kota Iwamoto ,  Ryoma Oami

IPC: G06K9/46

CPC classification number: G06K9/38 ,  G06F17/30256 ,  G06T1/0028 ,  G06T2201/0051 ,  G06T2201/0061 ,  G06T2201/0201

Abstract: This image feature extraction device extracts, from an image, an image feature that makes it possible to adjust the balance between identification capability and robustness, which are the scales of the capability of determining identity of images. This image feature extraction device executes hierarchical quantization to calculate quantization indexes of a plurality of hierarchies in accordance with a previously defined hierarchical quantization method for each quantization target region of an image, and outputs a hierarchical quantization index code, which is an encoding allowing unique specification of the quantization indexes of the respective hierarchies of each quantization target region.

Abstract translation: 该图像特征提取装置从图像中提取图像特征，使得可以调整识别能力和鲁棒性之间的平衡，这是确定图像身份的能力的尺度。 该图像特征提取装置执行分层量化以根据对于图像的每个量化目标区域的先前定义的分层量化方法来计算多个层次的量化索引，并且输出作为允许唯一规范的编码的分层量化索引代码 的量化对象区域的各层次的量化索引。

公开(公告)号：US20100232641A1

公开(公告)日：2010-09-16

申请号：US12741195

申请日：2008-12-12

Applicant: Weon Geun Oh

Inventor： Weon Geun Oh

IPC: G06K9/00

CPC classification number: G06T1/0021 ,  G06F16/583 ,  G06K9/46 ,  G06K9/6255 ,  G06T2201/0201

Abstract: There is provided a method of identifying User-Created Content (UCC) using an image identifier, including combining a still image with the image identifier, requesting registration of UCC corresponding to the still image combined with the image identifier, and combining a UCC identifier, issued in response to the request, with the still image combined with the image identifier, thus generating final UCC.

Abstract translation: 提供了一种使用图像标识符识别用户创建内容（UCC）的方法，包括将静止图像与图像标识符组合，请求与与图像标识符组合的静止图像相对应的UCC的注册，以及组合UCC标识符， 响应于请求发出，静止图像与图像标识符组合，从而生成最终的UCC。

公开(公告)号：US20090169050A1

公开(公告)日：2009-07-02

申请号：US11916104

申请日：2006-05-18

Applicant: Franz-Erich Wolter ,  Martin Reuter ,  Niklas Peinecke

Inventor： Franz-Erich Wolter ,  Martin Reuter ,  Niklas Peinecke

IPC: G06K9/00

CPC classification number: G06T17/00 ,  G06T2201/0201

Abstract: A method for characterization of objects has the steps of: a) describing an object with an elliptical self-adjoint eigenvalue problem in order to form an isometrically invariant model; b) determining eigenvalues of the eigenvalue problem; and c) characterizing the object by the eigenvalues.

Abstract translation: 用于表征对象的方法具有以下步骤：a）描述具有椭圆自相关特征值问题的对象，以便形成等角不变模型; b）确定特征值问题的特征值; 和c）通过特征值来表征对象。