公开(公告)号：KR1020160003675A

公开(公告)日：2016-01-11

申请号：KR1020157030763

申请日：2014-04-11

Applicant: 나그라비젼 에스에이

Inventor： 후나세크,디디에 ,  트란,민손 ,  사르다,피에르

IPC: H04N21/4405 ,  H04N21/8358 ,  H04N21/6334 ,  H04N21/8355

CPC classification number: H04N21/8358 ,  G06T1/0092 ,  G06T2201/0064 ,  H04N21/4405 ,  H04N21/63345 ,  H04N21/8355

Abstract: 본발명의목적은클라이언트장치에의해수신된콘텐츠, 특히비압축비디오콘텐츠상에워터마킹을시행하기위한것이다. 본발명은압축형태로클라이언트장치에서수신하고적어도하나의콘텐츠키(CW)에의해암호화된비압축콘텐츠를워터마크하는방법에관한것으로, 상기콘텐츠키(CW) 뿐만아니라워터마크명령은 CAS 데이터를구성하고, 상기 CAS 데이터는전송키에의해암호화되고 CAS 데이터를인증하기위한적어도하나의서명을포함하고, 상기클라이언트장치는 CAS 데이터를담당하는조건부액세스모듈(CAS), 암호화되고압축된콘테츠를수신하기위한입력부및 복호화되고압축된콘텐츠를출력하기위한출력부를갖는디스크램블러, 암호화되고압축된콘텐츠를비압축콘텐츠로변환하기위한디코더, 디코더의출력부에연결된워터마크삽입기(201), 워터마크삽입기(201)에연결된보안활성화모듈(202), 워터마크삽입기(201) 및보안활성화모듈(202)과연결된보안소자(SE(200))를포함하고, 상기방법은 : - CAS 데이터를수신하는단계, - 조건부액세스모듈(CAS)에의해전송키를사용하여 CAS 데이터를복호화하는단계, - CAS 데이터의서명을검증하는단계, 및서명이유효한경우, - 워터마크명령을보안활성화모듈(202)로전송하는단계, - 워터마크명령의전송이성공하는경우에만콘텐츠키(CW)를디스크램블러(103)로전송하는단계, - 워터마크삽입기(201)로워터마크명령을전송하는단계, - 디코더로부터수신한비압축콘텐츠의워터마킹을워터마크삽입기(201)가허용(enabling) 또는억제(disabling)하는단계를포함한다.

公开(公告)号：KR1020080038106A

公开(公告)日：2008-05-02

申请号：KR1020080029621

申请日：2008-03-31

Applicant: 소니 주식회사

Inventor： 사코요이치로 ,  이노쿠치타쯔야 ,  후루카와션수케

IPC: G11B20/10 ,  H04N5/913 ,  G09C5/00 ,  G06T1/00

CPC classification number: G11B20/10527 ,  G06T1/0021 ,  G06T2201/0064 ,  G11B20/00086 ,  G11B20/00188 ,  G11B20/00753 ,  G11B20/00768 ,  G11B20/00884 ,  G11B2020/00014 ,  H04N5/85 ,  H04N5/913 ,  H04N2005/91328 ,  H04N2005/91335

Abstract: A data output method and an apparatus thereof, a data playback method and an apparatus thereof, a data recording method and an apparatus thereof, and a data recording and playback method and an apparatus thereof are provided to insert the proper electronic watermark information by inserting different kinds of electronic watermark information according to whether playback output data is original data or duplicated data. It is judged that electronic watermark information is detected from data. When the electronic watermark information is detected, data recording operation is carried out according to the detected electronic watermark information(S13). When the electronic watermark information is not detected, the data recording operation is canceled(S17). When the electronic watermark information is detected, the detected electronic watermark information is read(S14), and data recording operation is controlled according to the read result(S15,S16).

Abstract translation: 提供了一种数据输出方法及其装置，数据重放方法及其装置，数据记录方法及其装置，以及数据记录和再现方法及其装置，通过插入不同的电子水印信息来插入适当的电子水印信息 根据播放输出数据是原始数据还是复制数据，可以进行电子水印信息的种类。 判定从数据检测电子水印信息。 当检测到电子水印信息时，根据检测到的电子水印信息进行数据记录操作（S13）。 当未检测到电子水印信息时，数据记录操作被取消（S17）。 当检测到电子水印信息时，读取​​检测到的电子水印信息（S14），根据读取结果控制数据记录操作（S15，S16）。

公开(公告)号：KR100472335B1

公开(公告)日：2005-02-21

申请号：KR1019997005563

申请日：1997-12-17

Applicant: 파나소닉 주식회사

Inventor： 오시마미츠아키 ,  고이시겐지 ,  모리야미츠로우 ,  고토요시호 ,  다케무라요시나리 ,  미야타케노리오 ,  무라카미모토요시 ,  고니시시니치 ,  다나카신이치

IPC: G11B11/10

CPC classification number: G11B23/281 ,  G06T1/0021 ,  G06T2201/0064 ,  G11B7/0037 ,  G11B7/0045 ,  G11B7/00736 ,  G11B7/24 ,  G11B11/10506 ,  G11B11/10515 ,  G11B11/10584 ,  G11B11/10595 ,  G11B20/00086 ,  G11B20/00123 ,  G11B20/00166 ,  G11B20/00181 ,  G11B20/0021 ,  G11B20/00231 ,  G11B20/0026 ,  G11B20/00268 ,  G11B20/00347 ,  G11B20/00876 ,  G11B20/00884 ,  G11B20/10 ,  G11B20/1217 ,  G11B20/1258 ,  G11B23/288 ,  G11B23/40 ,  G11B2020/122 ,  G11B2020/1244 ,  G11B2020/1245

Abstract: 본 발명은 복제방지나 소프트웨어의 부정 사용 방지 등의 저작권 보호에 이용 가능한 추기정보를 가지는 광 디스크이다. 디스크 기판(211)상에 유전체층(212)을 통하여 기록층(213)을 형성한다. 기록층(213)상에 중간 유전체층(214), 반사층(215)을 순차 적층시키고, 다시 그 위에 오버 코팅층(216)을 형성한다. 기록층(213)의 디스크 원주방향으로 BCA(추기형 식별정보의 1개의 방식)부(220a), (220b)를 다수개 기록한다. 이 BCA부(220a), (220b)는 수직 자기 이방성을 저하시켜 기록한다. 재생시에는 차동신호에 의해 추기형 정보를 검출한다.

公开(公告)号：TW510114B

公开(公告)日：2002-11-11

申请号：TW089123987

申请日：2000-11-13

Applicant: 佳能股份有限公司

Inventor： 鈴木隆史

IPC: H04N ,  G06F

CPC classification number: H04N1/32144 ,  G06T1/0021 ,  G06T2201/0052 ,  G06T2201/0061 ,  G06T2201/0064 ,  H04N1/00838

Abstract: 一種具有作業系統(102)及掃描器驅動器(103)的影像處理裝置，連接有用以讀取原稿並將其轉換成影像的掃描器(104)，並儲存掃描器(104)所讀取的影像，掃描器驅動器(103)的辨偽處理模組(103-2)比較讀取的數位水印資料及指定的影像資料以判斷符合程度，且防偽控制模組(106)依據掃描器驅動器(103)所讀取之影像的判斷結果，控制預定的影像處理。

Abstract in simplified Chinese: 一种具有操作系统(102)及扫描仪驱动器(103)的影像处理设备，连接有用以读取原稿并将其转换成影像的扫描仪(104)，并存储扫描仪(104)所读取的影像，扫描仪驱动器(103)的辨伪处理模块(103-2)比较读取的数码水印数据及指定的影像数据以判断符合程度，且防伪控制模块(106)依据扫描仪驱动器(103)所读取之影像的判断结果，控制预定的影像处理。

公开(公告)号：EP3234904A1

公开(公告)日：2017-10-25

申请号：EP14908204.2

申请日：2014-12-18

Applicant: Nokia Technologies Oy

Inventor： LI, Desheng

IPC: G06T1/00

CPC classification number: G06T1/0085 ,  G06F21/16 ,  G06F2221/2111 ,  G06T1/0028 ,  G06T2201/0051 ,  G06T2201/0052 ,  G06T2201/0064 ,  G06T2201/0065 ,  G06T2201/0083 ,  H04L63/061 ,  H04N5/913 ,  H04N19/467 ,  H04N2005/91335

Abstract: Method and apparatus are disclosed for publishing locational copyrighted watermarking video. According to some embodiments, a method for embedding location information into a video comprises: separating the video into at least one key frame and at least one in-between frame set corresponding to the at least one key frame; receiving location data for the at least one key frame; encrypting the location data for the at least one key frame based on a location private key; and embedding the encrypted location data into the at least one key frame.

Abstract translation: 公开了用于发布位置版权加水印视频的方法和设备。 根据一些实施例，一种用于将位置信息嵌入到视频中的方法包括：将视频分成至少一个关键帧和对应于至少一个关键帧的至少一个中间帧集; 接收所述至少一个关键帧的位置数据; 基于位置私钥对至少一个关键帧的位置数据进行加密; 以及将加密的位置数据嵌入到至少一个关键帧中。

公开(公告)号：EP2745234B1

公开(公告)日：2016-06-01

申请号：EP12751707.6

申请日：2012-08-17

Applicant: Apple Inc.

Inventor： HENDRY, Ian, C.

IPC: G11B20/00 ,  G06F21/84

CPC classification number: G11B20/00463 ,  G06F21/10 ,  G06F21/84 ,  G06T1/0021 ,  G06T2201/0053 ,  G06T2201/0064 ,  H04L9/32 ,  H04N7/16

公开(公告)号：EP2870561A1

公开(公告)日：2015-05-13

申请号：EP13733283.9

申请日：2013-07-01

Applicant: Viaccess

Inventor： CLISSON, Laurent

IPC: G06F21/10 ,  G06F17/22

CPC classification number: H04N1/32144 ,  G06F17/2217 ,  G06F21/10 ,  G06F2221/0737 ,  G06F2221/074 ,  G06F2221/0746 ,  G06F2221/0748 ,  G06T1/0071 ,  G06T11/60 ,  G06T2201/0062 ,  G06T2201/0063 ,  G06T2201/0064 ,  H04N1/32272 ,  H04N1/32304 ,  H04N2201/3239 ,  H04N2201/327

Abstract: This method of water-marking digital books with parameters comprises: - the formulation (56) for each parameter of a new character font on the basis of a pre-existing font, by creating at least one new code‑glyph pair, - the formulation (58) of a new text coded on the basis of a pre-existing coded text by replacing in the pre-existing coded text at least one code or group of codes of the pre-existing font making it possible to display a character or a combination of characters of the digital book by the code or the group of codes of the new font making it possible to display the graphically identical character or the combination of characters on any screen, this code or this group of codes of the new font comprising at least the code of the new code‑glyph pair, - the provision (64) in the guise of a watermarked digital book of the new coded text and of the new font.

公开(公告)号：EP2360915A2

公开(公告)日：2011-08-24

申请号：EP11003804.9

申请日：2000-04-02

Applicant: NDS Limited

Inventor： Tsuria, Yossef

IPC: H04N5/913 ,  G11B20/00 ,  H04N7/16

CPC classification number: G11B20/00884 ,  G06F21/10 ,  G06F2221/0737 ,  G06T1/0021 ,  G06T1/0071 ,  G06T2201/0064 ,  G11B20/00086 ,  G11B20/00913 ,  H04N1/32288 ,  H04N1/32304 ,  H04N5/913 ,  H04N7/162 ,  H04N21/4325 ,  H04N21/8358 ,  H04N2005/91335

Abstract: A method for altering an electronic representation of an item having a watermark comprises: receiving an electronic representation of an item (200), the electronic representation comprising a first watermark, the first watermark corresponding to a first watermark definition; receiving a signal (210) indicating that a second watermark definition is to be used; and altering (220) the electronic representation to comprise a second watermark corresponding to the second watermark definition.

Abstract translation: 一种用于改变具有水印的项目的电子表示的方法，包括：接收项目（200）的电子表示，所述电子表示包括第一水印，所述第一水印对应于第一水印定义; 接收指示要使用第二水印定义的信号（210）; 以及改变（220）所述电子表示以包括对应于所述第二水印定义的第二水印。

公开(公告)号：EP1288948B1

公开(公告)日：2008-05-14

申请号：EP01932107.4

申请日：2001-05-17

Applicant: Sony Corporation

Inventor： SAKO, Yoichiro, SONY CORPORATION ,  INOKUCHI, Tatsuya, SONY CORPORATION ,  FURUKAWA, Shunsuke, SONY CORPORATION

IPC: G11B27/00 ,  G11B20/10 ,  G11B19/12

CPC classification number: G11B19/122 ,  G06T1/0021 ,  G06T2201/0064 ,  G11B19/04 ,  G11B20/00086 ,  G11B20/00768 ,  G11B20/00884 ,  G11B20/10 ,  G11B20/1217 ,  G11B23/284 ,  G11B23/36 ,  G11B27/034 ,  G11B27/329 ,  G11B2220/20 ,  G11B2220/213 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2529 ,  G11B2220/2545

Abstract: A recording medium recording method for recording information on a recording medium, wherein management information prepared for a plurality of types of recording medium is buried as data additional information on a content to be recorded, the data on the content where the additional information is buried is subjected to a first encoding, the management information is subjected to a second encoding, the encoded content data and the encoded management information are modulated, and they are recorded on a recording medium. A recording medium thereof is also disclosed.

公开(公告)号：EP1102466B1

公开(公告)日：2006-06-14

申请号：EP00310140.9

申请日：2000-11-15

Applicant: CANON KABUSHIKI KAISHA

Inventor： Suzuki, Takashi

IPC: H04N1/00 ,  H04N1/32

CPC classification number: H04N1/32144 ,  G06T1/0021 ,  G06T2201/0052 ,  G06T2201/0061 ,  G06T2201/0064 ,  H04N1/00838