BRPI0621943A2 - método e sistema para sincronização temporal - Google Patents

método e sistema para sincronização temporal Download PDF

Info

Publication number
BRPI0621943A2
BRPI0621943A2 BRPI0621943-8A BRPI0621943A BRPI0621943A2 BR PI0621943 A2 BRPI0621943 A2 BR PI0621943A2 BR PI0621943 A BRPI0621943 A BR PI0621943A BR PI0621943 A2 BRPI0621943 A2 BR PI0621943A2
Authority
BR
Brazil
Prior art keywords
digital content
marker
payload
symbol
code
Prior art date
Application number
BRPI0621943-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Jun Tian
Jeffrey Adam Bloom
Original Assignee
Thomson Licensing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0621943A2 publication Critical patent/BRPI0621943A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0065—Extraction of an embedded watermark; Reliable detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
BRPI0621943-8A 2006-07-18 2006-12-08 método e sistema para sincronização temporal BRPI0621943A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US83152606P 2006-07-18 2006-07-18
US60/831,526 2006-07-18
PCT/US2006/046815 WO2008010836A1 (en) 2006-07-18 2006-12-08 Method and system for temporal synchronization

Publications (1)

Publication Number Publication Date
BRPI0621943A2 true BRPI0621943A2 (pt) 2011-10-18

Family

ID=37989072

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0621943-8A BRPI0621943A2 (pt) 2006-07-18 2006-12-08 método e sistema para sincronização temporal

Country Status (6)

Country Link
US (1) US8331609B2 (https=)
EP (1) EP2041715A1 (https=)
JP (1) JP5246804B2 (https=)
CN (1) CN101506837B (https=)
BR (1) BRPI0621943A2 (https=)
WO (1) WO2008010836A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007214319A1 (en) * 2007-08-30 2009-03-19 Canon Kabushiki Kaisha Improvements for Spatial Wyner Ziv Coding
US8189623B2 (en) * 2008-10-01 2012-05-29 Infinera Corporation Digital framer architecture with a framing marker
US8725500B2 (en) 2008-11-19 2014-05-13 Motorola Mobility Llc Apparatus and method for encoding at least one parameter associated with a signal source
US9354970B2 (en) * 2014-03-31 2016-05-31 Advanced Micro Devices, Inc. Method and apparatus for encoding erroneous data in an error correction code protected memory
KR20170067546A (ko) * 2015-12-08 2017-06-16 한국전자통신연구원 오디오 신호 및 비디오 신호의 동기화 시스템 및 그 방법
WO2018069550A1 (en) * 2016-10-14 2018-04-19 Auro Technologies Recording and playback devices with avoidance of missynchronisation by scrambling a payload with a modified payload checksum
CN108282871B (zh) * 2017-01-06 2023-11-21 华为技术有限公司 接收节点、发送节点和传输方法
CN113453039B (zh) * 2020-03-24 2023-04-18 阿里巴巴集团控股有限公司 视频文件处理与水印提取的方法和装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7224819B2 (en) 1995-05-08 2007-05-29 Digimarc Corporation Integrating digital watermarks in multimedia content
JP3597647B2 (ja) 1995-09-29 2004-12-08 株式会社東芝 符号化方法及び装置
US6571361B1 (en) 1995-09-29 2003-05-27 Kabushiki Kaisha Toshiba Encoder and decoder
US7107451B2 (en) 1996-07-02 2006-09-12 Wistaria Trading, Inc. Optimization methods for the insertion, protection, and detection of digital watermarks in digital data
US20060028689A1 (en) 1996-11-12 2006-02-09 Perry Burt W Document management with embedded data
JP2001223684A (ja) 2000-02-08 2001-08-17 Sony Corp 同期検出装置、受信装置およびその方法
US6714683B1 (en) 2000-08-24 2004-03-30 Digimarc Corporation Wavelet based feature modulation watermarks and related applications
US6785401B2 (en) 2001-04-09 2004-08-31 Tektronix, Inc. Temporal synchronization of video watermark decoding
US6563937B1 (en) 2001-11-28 2003-05-13 Sony Corporation Method and apparatus to detect watermark that are resistant to arbitrary deformations
US7886151B2 (en) 2002-01-22 2011-02-08 Purdue Research Foundation Temporal synchronization of video and audio signals
EP1516480A1 (en) 2002-06-17 2005-03-23 Koninklijke Philips Electronics N.V. Lossless data embedding
US7242714B2 (en) * 2002-10-30 2007-07-10 Koninklijke Philips Electronics N.V. Cyclic resynchronization marker for error tolerate video coding
FR2846827B1 (fr) 2002-10-30 2005-02-25 Inst Nat Rech Inf Automat Dispositif pour le marquage et la restitution de signaux multimedia
JP3804796B2 (ja) 2003-07-24 2006-08-02 沖電気工業株式会社 動画像符号化方法及び動画像復号方法

Also Published As

Publication number Publication date
WO2008010836A1 (en) 2008-01-24
JP2009544218A (ja) 2009-12-10
US8331609B2 (en) 2012-12-11
JP5246804B2 (ja) 2013-07-24
CN101506837B (zh) 2012-03-14
EP2041715A1 (en) 2009-04-01
US20100303279A1 (en) 2010-12-02
CN101506837A (zh) 2009-08-12

Similar Documents

Publication Publication Date Title
CN110457873B (zh) 一种水印嵌入与检测方法及装置
US20020126872A1 (en) Method, apparatus and programs for generating and utilizing content signatures
CN106709853B (zh) 一种图像检索方法及系统
CN103049682A (zh) 一种基于字符间距编码的双重水印嵌入的文本水印方法
US11398834B2 (en) Encoder, recording device, decoder, playback device with robust data block header
CN105303075B (zh) 基于pdf格式的自适应文本水印方法
CN116385250A (zh) 基于鲁棒水印与脆弱水印的轨迹数据双重水印方法
BRPI0621943A2 (pt) método e sistema para sincronização temporal
CN116362953B (zh) 基于不可见字符的高精地图水印方法
BRPI0613720A2 (pt) método e dispositivo para marcar com marca d'água carimbos horários, método e dispositivo para a decodificação de carimbos horários
JP5974463B2 (ja) 電子透かし埋め込み装置、電子透かし埋め込み方法、電子透かし検出装置及び電子透かし検出方法
Coatrieux et al. Watermarking medical images with anonymous patient identification to verify authenticity
US9239966B2 (en) Method and device for watermarking a sequence of images, method and device for authenticating a sequence of watermarked images and corresponding computer program
CN109101791B (zh) 基于数据特征的水印参数自动获取方法及系统
CN101460974A (zh) 编码和检测设备
CN100550653C (zh) 一种可变长度结构化信息的编码和解码方法
JP2002531977A (ja) 電子透かし入れのための異なる特性を有する複数メッセージの組み合わせ
CN119815138B (zh) 一种视频水印隐写方法
CN107680608B (zh) 一种基于喷泉码的易碎水印自恢复方法
KR20130021633A (ko) 오류정정부호를 이용한 데이터의 은닉과 검출 방법 및 장치
US9208352B2 (en) LFSR watermark system
Schlauweg et al. Correction of insertions and deletions in selective watermarking
Sivanandam et al. NFD technique for efficient and secured information hiding in low resolution images
CN120805112A (zh) 一种基于大模型自适应的不可见水印的添加及提取方法
CN121305319A (zh) 图像检测方法、装置、存储介质、电子设备及程序产品

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]