公开(公告)号：US08341161B2

公开(公告)日：2012-12-25

申请号：US12744146

申请日：2008-12-08

Applicant: Jin Soo Seo ,  Seungjae Lee ,  Sang Kwang Lee ,  Wonyoung Yoo ,  Yong-Seok Seo ,  Young-Suk Yoon ,  Young Ho Suh ,  Weon Geun Oh

Inventor： Jin Soo Seo ,  Seungjae Lee ,  Sang Kwang Lee ,  Wonyoung Yoo ,  Yong-Seok Seo ,  Young-Suk Yoon ,  Young Ho Suh ,  Weon Geun Oh

IPC: G06F17/30

CPC classification number: G06F17/30247

Abstract: An index database creating apparatus includes a feature extracting unit for extracting features from a content; an index creating unit for creating feature indices of the extracted features; an index selector for selecting one or more of the feature indices based on frequency-based importance levels thereof; and a feature index database for storing therein the selected feature indices along with locations thereof in the content. The index selector obtains the frequency-based importance levels based on frequency distributions of the feature indices in the content and in other contents to be stored in the feature index database.

Abstract translation: 索引数据库创建装置包括：特征提取单元，用于从内容中提取特征; 索引创建单元，用于创建所提取的特征的特征索引; 索引选择器，用于基于其基于频率的重要性级别来选择一个或多个特征索引; 以及特征索引数据库，用于在其中存储所选择的特征索引及其在内容中的位置。 索引选择器基于要存储在特征索引数据库中的内容和其他内容中的特征索引的频率分布来获得基于频率的重要性级别。

公开(公告)号：US20120148118A1

公开(公告)日：2012-06-14

申请号：US13311943

申请日：2011-12-06

Applicant: Keun Dong LEE ,  Weon Geun Oh ,  Sung Kwan Je ,  Hyuk Jeong ,  Sang II Na ,  Robin Kalia

Inventor： Keun Dong LEE ,  Weon Geun Oh ,  Sung Kwan Je ,  Hyuk Jeong ,  Sang II Na ,  Robin Kalia

IPC: G06K9/00

CPC classification number: G06K9/00362 ,  G06K9/629

Abstract: An image classifying apparatus may include a database constructor which constructs database by detecting face region from received classification target image, extracting face feature descriptor from detected face region, extracting a costume feature descriptor using position information of detected face region, and storing face feature descriptor and costume feature descriptor in database, a first processor which generates representative image model by comparing face feature descriptor and costume feature descriptor of classification target image stored in database based on a received representative image to search for a similar image and registering similar image in a representative image model for each person, and second processor which compares additional information of representative image stored in representative image model for each person and additional information of classification target image stored in database and classifies image for each person based on similarity measured by adding up weights corresponding to similarities according to comparison results.

Abstract translation: 图像分类装置可以包括数据库构造器，其通过从接收到的分类目标图像检测面部区域来构建数据库，从检测到的脸部区域提取面部特征描述符，使用检测到的脸部区域的位置信息提取服装特征描述符，并且存储脸部特征描述符和 数据库中的服装特征描述符，第一处理器，其通过基于接收到的代表图像比较存储在数据库中的分类目标图像的面部特征描述符和服装特征描述符来生成代表图像模型，以搜索类似图像并在代表图像中注册相似图像 模型，以及第二处理器，其对存储在每个人的代表图像模型中的代表图像的附加信息和存储在数据库中的分类目标图像的附加信息进行比较，并且基于相似性度量对每个人分类图像 d根据比较结果加权对应于相似度。

公开(公告)号：US20100239163A1

公开(公告)日：2010-09-23

申请号：US12648803

申请日：2009-12-29

Applicant: Weon Geun OH ,  Won Keun Yang ,  Ayoung Cho ,  Dong Seok Jeong

Inventor： Weon Geun OH ,  Won Keun Yang ,  Ayoung Cho ,  Dong Seok Jeong

IPC: G06K9/68 ,  G06K9/46 ,  G06T7/00

CPC classification number: G06K9/4642 ,  G06F17/3025 ,  G06F17/30262 ,  G06K9/4652 ,  G06K9/6212 ,  G06K9/6215

Abstract: An image searching method includes: resizing an input image in question; generating 3D image identifiers for the resized input image in question; and performing an image search for the input image in question by using the 3D image identifiers. Said resizing an input image includes: extracting a black-and-white image and a color image from the input image in question; resizing the black-and-white image; and resizing the color image. Said generating 3D image identifiers includes: extracting an MGST feature of the input image in question; extracting an angular partition feature of the input image in question; and extracting a color feature of the input image in question. Further, said performing an image search includes: calculating similarity between representative colors of the input image in question and a reference image; and if the similarity is above a predetermined level, matching the 3D image identifiers for the two images.

Abstract translation: 图像搜索方法包括：调整所述输入图像的大小; 为所调整大小的输入图像生成3D图像标识符; 以及通过使用3D图像标识符对所讨论的输入图像执行图像搜索。 所述调整输入图像的大小包括：从所述输入图像提取黑白图像和彩色图像; 调整黑白图像大小; 并调整彩色图像的大小。 所述生成3D图像标识符包括：提取所述输入图像的MGST特征; 提取所述输入图像的角分割特征; 并提取所讨论的输入图像的颜色特征。 此外，所述执行图像搜索包括：计算所述输入图像的代表颜色与参考图像之间的相似度; 并且如果相似度高于预定水平，则匹配两个图像的3D图像标识符。

公开(公告)号：US20100183189A1

公开(公告)日：2010-07-22

申请号：US12664041

申请日：2008-06-18

Applicant: Weon Geun Oh ,  A Young Cho ,  Ik Hwan Cho ,  Ju Kyoung Jin ,  Won Keun Yang ,  Jun Woo Lee ,  Dong Seok Jeong

Inventor： Weon Geun Oh ,  A Young Cho ,  Ik Hwan Cho ,  Ju Kyoung Jin ,  Won Keun Yang ,  Jun Woo Lee ,  Dong Seok Jeong

IPC: G06K9/00

CPC classification number: G06F17/30247

Abstract: An image signature creating method includes: creating a map by partitioning a still image using rings defined by concentric circles radially spaced apart from each other by a predetermined interval and radial lines circumferentially spaced apart from each other by a predetermined angle, the center of the still image being that of the concentric circles; and creating an image signature from the created map on the basis of distribution of pixels in regions defined by the rings and the radial lines. Accordingly, distribution of illegal contents is prevented and interrupted by search for and discrimination of a still image illegally deformed by a copying of or an intended attack on the still image.

Abstract translation: 图像签名创建方法包括：通过使用由彼此径向间隔开预定间隔的同心圆定义的环和通过预定角度周向间隔开的径向线分隔静止图来创建地图，静止图像的中心 图像是同心圆的图像; 以及基于由环和径向线限定的区域中的像素的分布从所创建的地图创建图像签名。 因此，通过对静止图像的复制或预期攻击非法变形的静止图像的搜索和辨别来防止和中断非法内容的分发。

公开(公告)号：US20100063978A1

公开(公告)日：2010-03-11

申请号：US12516614

申请日：2007-07-23

Applicant: Sang Kwang Lee ,  Young Ho Suh ,  Weon Geun Oh ,  Won Gyum Kim ,  Wonyoung Yoo ,  Sung Hwan Lee ,  Yong Seok Seo ,  Hye Won Jung ,  Seon Hwa Lee ,  Young Suk Yoon ,  Seungjae Lee ,  Jin Soo Seo

Inventor： Sang Kwang Lee ,  Young Ho Suh ,  Weon Geun Oh ,  Won Gyum Kim ,  Wonyoung Yoo ,  Sung Hwan Lee ,  Yong Seok Seo ,  Hye Won Jung ,  Seon Hwa Lee ,  Young Suk Yoon ,  Seungjae Lee ,  Jin Soo Seo

IPC: G06F17/30 ,  H04L9/32

CPC classification number: G11B20/00086 ,  G11B20/00884 ,  G11B27/28

Abstract: An apparatus and method for inserting/extracting a nonblind watermark using features of digital media data are provided. The apparatus and method inserts a watermark adaptively using watermark-related information determined by analyzing the characteristics of digital media data, also extracts features of the digital media data, automatically searches original media data corresponding to the features, and simultaneously and efficiently extracts a watermark using watermark-related information. Therefore, When the watermark is extracted, the original media data can be searched automatically.

Abstract translation: 提供了一种使用数字媒体数据的特征来插入/提取非盲人水印的装置和方法。 该装置和方法使用通过分析数字媒体数据的特征确定的水印相关信息自适应地插入水印，还提取数字媒体数据的特征，自动搜索对应于特征的原始媒体数据，并且同时且有效地提取水印 水印相关信息。 因此，当提取水印时，可以自动搜索原始媒体数据。

公开(公告)号：US08792773B2

公开(公告)日：2014-07-29

申请号：US12971122

申请日：2010-12-17

Applicant: Sang Il Na ,  Weon Geun Oh ,  Hyuk Jeong ,  Keun Dong Lee ,  Sung Kwan Je ,  Dong Seok Jeong ,  Ju Kyong Jin ,  Seon Tae Kim

Inventor： Sang Il Na ,  Weon Geun Oh ,  Hyuk Jeong ,  Keun Dong Lee ,  Sung Kwan Je ,  Dong Seok Jeong ,  Ju Kyong Jin ,  Seon Tae Kim

IPC: H04N9/80

CPC classification number: H04N5/76 ,  G06F17/30781 ,  G11B27/11 ,  G11B27/28

Abstract: A system for managing and searching for a digital video includes: a video feature point extraction unit decoding an input video and extracting a feature point; a video feature point database (DB) storing and managing a feature point of a video to be compared (i.e., a comparison target video), and a video feature point comparison unit coarsely comparing the feature point of the input video and that of the comparison target video to acquire a candidate group, and minutely comparing the candidate group to detect a content repeated section, and informing a user of the content repeated section.

Abstract translation: 用于管理和搜索数字视频的系统包括：视频特征点提取单元，对输入视频进行解码并提取特征点; 存储和管理要比较的视频的特征点（即，比较对象视频）的视频特征点数据库（DB）和粗略比较输入视频的特征点与比较对象的视频特征点比较单元 目标视频以获取候选组，并且仔细比较候选组以检测内容重复部分，并向用户通知内容重复部分。

公开(公告)号：US20130223730A1

公开(公告)日：2013-08-29

申请号：US13548098

申请日：2012-07-12

Applicant: Keun-Dong LEE ,  Sang-Il NA ,  Weon-Geun OH ,  Sung-Kwan JE ,  Hyuk JEONG

Inventor： Keun-Dong LEE ,  Sang-Il NA ,  Weon-Geun OH ,  Sung-Kwan JE ,  Hyuk JEONG

IPC: G06K9/00 ,  G06K9/36

CPC classification number: G06K9/6202 ,  G06K9/4647

Abstract: A feature descriptor extracting method in a feature descriptor extracting apparatus is provided. The feature descriptor extracting method involves receiving an image from which a feature descriptor will be extracted, extracting a point at which a change in a pixel statistical value of the image is large as a feature point, and extracting a patch centered on the feature point, blocking the patch to calculate a statistical value of each of a plurality of patch blocks, calculating a morphological gradient by using a statistical value of the block-converted patch, and extracting a feature descriptor by using the morphological gradient in consideration of required feature descriptor complexity.

Abstract translation: 提供了特征描述符提取装置中的特征描述符提取方法。 特征描述符提取方法包括接收将从其中提取特征描述符的图像，提取图像的像素统计值的变化大的点作为特征点，并且提取以特征点为中心的补片， 阻止补丁以计算多个补丁块中的每一个的统计值，通过使用块转换补丁的统计值来计算形态梯度，以及考虑所需特征描述符复杂度使用形态梯度来提取特征描述符 。

公开(公告)号：US08477836B2

公开(公告)日：2013-07-02

申请号：US12665311

申请日：2008-06-18

Applicant: Young-Suk Yoon ,  Wonyoung Yoo ,  Yong-Seok Seo ,  Sang Kwang Lee ,  Jin Soo Seo ,  Seungjae Lee ,  Weon Geun Oh ,  Young Ho Suh

Inventor： Young-Suk Yoon ,  Wonyoung Yoo ,  Yong-Seok Seo ,  Sang Kwang Lee ,  Jin Soo Seo ,  Seungjae Lee ,  Weon Geun Oh ,  Young Ho Suh

IPC: H04N11/02

CPC classification number: H04N5/91

Abstract: A method for managing digital videos includes extracting a feature of an input digital video, searching for candidate features having similarity to the extracted feature, and comparing the extracted feature with each of the candidate features to select at least one of the candidate features similar to the extracted feature and provide information on a digital video corresponding to the selected candidate feature.

Abstract translation: 一种用于管理数字视频的方法包括提取输入数字视频的特征，搜索具有与所提取的特征相似的候选特征，以及将提取的特征与每个候选特征进行比较，以选择至少一个类似于 提取特征并提供与所选候选特征相对应的数字视频的信息。

公开(公告)号：US20120163475A1

公开(公告)日：2012-06-28

申请号：US13333120

申请日：2011-12-21

Applicant: Sang Il NA ,  Weon Geun OH ,  Hyuk JEONG ,  Sung Kwan JE ,  Keun Dong LEE ,  Dong Seok JEONG ,  Ju Kyong JIN

Inventor： Sang Il NA ,  Weon Geun OH ,  Hyuk JEONG ,  Sung Kwan JE ,  Keun Dong LEE ,  Dong Seok JEONG ,  Ju Kyong JIN

IPC: G06K9/46 ,  H04N7/26

CPC classification number: G06K9/00758 ,  G06F16/783

Abstract: A fast matching system for a digital video is provided. The fast matching system includes a video feature point extractor for extracting feature points of video frames of a digital video when the digital video is input, a feature point index mapper for receiving the video feature points from the video feature point extractor and configuring an index table by mapping the video feature points to a plurality of indices, a video feature point database (DB) for storing the index table, and a video feature point comparator for outputting video information corresponding to matched indices by comparing the video feature points extracted by the video feature point extractor with the indices of the index table stored in the video feature point DB.

Abstract translation: 提供了一种用于数字视频的快速匹配系统。 快速匹配系统包括一个视频特征点提取器，用于在输入数字视频时提取数字视频的视频帧的特征点;一个特征点索引映射器，用于从视频特征点提取器接收视频特征点，并配置索引表 通过将视频特征点映射到多个索引，存储索引表的视频特征点数据库（DB）和用于通过比较由视频提取的视频特征点来输出与匹配索引相对应的视频信息的视频特征点比较器 特征点提取器，其索引表的索引存储在视频特征点DB中。

公开(公告)号：US20110150365A1

公开(公告)日：2011-06-23

申请号：US12858145

申请日：2010-08-17

Applicant: Weon Geun OH

Inventor： Weon Geun OH

IPC: G06K9/54

CPC classification number: G06F16/583

Abstract: The present invention relates to a system for certifying an image identify technology. The system for certifying an image identify technology according to an embodiment of the present invention includes a test image DB that stores still images and moving images; a modified image generator that generates modified images from the still images and the moving images; a modified image DB that stores the modified images; a statistical information unit that calculates statistical information by using results identifying the still images, the moving images, and the modified images by the image identify technology; an evaluator that evaluates the accuracy of the image identify technology according to the statistical information; and a certificate generator that generates certificate by using the statistical information and the accuracy.

Abstract translation: 本发明涉及一种用于认证图像识别技术的系统。 根据本发明的实施例的用于认证图像识别技术的系统包括：存储静止图像和运动图像的测试图像DB; 修改图像生成器，其从所述静止图像和所述运动图像生成修改图像; 修改图像DB，其存储修改后的图像; 统计信息单元，其通过使用通过图像识别技术识别静止图像，运动图像和修改图像的结果来计算统计信息; 评估者根据统计信息评估图像识别技术的准确性; 以及通过使用统计信息和准确性生成证书的证书生成器。