BRPI0902941A2 - método e aparelho para determinar e utilizar a freqüência de amostragem para decodificar informações de marca d'água incorporadas em um sinal recebido amostrado com uma frequência de amostragem original no lado de codificador - Google Patents

método e aparelho para determinar e utilizar a freqüência de amostragem para decodificar informações de marca d'água incorporadas em um sinal recebido amostrado com uma frequência de amostragem original no lado de codificador Download PDF

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Publication number
BRPI0902941A2
BRPI0902941A2 BRPI0902941-9A BRPI0902941A BRPI0902941A2 BR PI0902941 A2 BRPI0902941 A2 BR PI0902941A2 BR PI0902941 A BRPI0902941 A BR PI0902941A BR PI0902941 A2 BRPI0902941 A2 BR PI0902941A2
Authority
BR
Brazil
Prior art keywords
sampling frequency
watermark
candidate
value
confidence
Prior art date
Application number
BRPI0902941-9A
Other languages
English (en)
Portuguese (pt)
Inventor
Ulrich Gries
Peter Georg Baum
Walter Voessing
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 BRPI0902941A2 publication Critical patent/BRPI0902941A2/pt

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • 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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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
    • G06T2201/0052—Embedding of the watermark in the frequency domain
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
BRPI0902941-9A 2008-01-24 2009-01-15 método e aparelho para determinar e utilizar a freqüência de amostragem para decodificar informações de marca d'água incorporadas em um sinal recebido amostrado com uma frequência de amostragem original no lado de codificador BRPI0902941A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08100898A EP2083418A1 (en) 2008-01-24 2008-01-24 Method and Apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side

Publications (1)

Publication Number Publication Date
BRPI0902941A2 true BRPI0902941A2 (pt) 2010-06-01

Family

ID=39580125

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0902941-9A BRPI0902941A2 (pt) 2008-01-24 2009-01-15 método e aparelho para determinar e utilizar a freqüência de amostragem para decodificar informações de marca d'água incorporadas em um sinal recebido amostrado com uma frequência de amostragem original no lado de codificador

Country Status (7)

Country Link
US (1) US8688993B2 (enExample)
EP (2) EP2083418A1 (enExample)
JP (1) JP5139338B2 (enExample)
CN (1) CN101494052B (enExample)
AT (1) ATE519196T1 (enExample)
BR (1) BRPI0902941A2 (enExample)
RU (1) RU2481649C2 (enExample)

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US8676570B2 (en) * 2010-04-26 2014-03-18 The Nielsen Company (Us), Llc Methods, apparatus and articles of manufacture to perform audio watermark decoding
EP2393060A1 (en) * 2010-06-02 2011-12-07 Thomson Licensing Providing a watermarked decoded audio or video signal derived from a watermarked audio or video signal that was low bit rate encoded and decoded
US8937537B2 (en) * 2011-04-29 2015-01-20 Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America Method and system for utilizing spread spectrum techniques for in car applications
CN103794217A (zh) * 2014-01-16 2014-05-14 江苏科技大学 一种基于数字水印的主动声呐身份识别方法
CN104391177B (zh) * 2014-11-17 2017-10-31 中车青岛四方机车车辆股份有限公司 动车组网侧谐波测试系统及方法
US20170334234A1 (en) * 2016-05-19 2017-11-23 Atlanta DTH, Inc. System and Method for Identifying the Source of Counterfeit Copies of Multimedia Works Using Layered Simple Digital Watermarks
CN107068157B (zh) * 2017-02-21 2020-04-10 中国科学院信息工程研究所 一种基于音频载体的信息隐藏方法及系统
CN109922066B (zh) * 2019-03-11 2020-11-20 江苏大学 一种通信网络中基于时隙特征的动态水印嵌入及检测方法
GB2619679B (en) * 2019-07-01 2024-04-24 Spectrum Brands Inc Electric grooming appliance
CN114333859A (zh) * 2020-09-30 2022-04-12 华为技术有限公司 一种音频水印添加、解析方法、设备及介质

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Also Published As

Publication number Publication date
RU2481649C2 (ru) 2013-05-10
JP2009188998A (ja) 2009-08-20
ATE519196T1 (de) 2011-08-15
EP2083419B1 (en) 2011-08-03
EP2083418A1 (en) 2009-07-29
JP5139338B2 (ja) 2013-02-06
RU2009102228A (ru) 2010-07-27
US20090193255A1 (en) 2009-07-30
CN101494052A (zh) 2009-07-29
CN101494052B (zh) 2012-07-04
US8688993B2 (en) 2014-04-01
EP2083419A1 (en) 2009-07-29

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
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]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2497 DE 13-11-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.