WO1998033324A3 - Embedding supplemental data in an encoded signal - Google Patents

Embedding supplemental data in an encoded signal Download PDF

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Publication number
WO1998033324A3
WO1998033324A3 PCT/IB1998/000040 IB9800040W WO9833324A3 WO 1998033324 A3 WO1998033324 A3 WO 1998033324A3 IB 9800040 W IB9800040 W IB 9800040W WO 9833324 A3 WO9833324 A3 WO 9833324A3
Authority
WO
WIPO (PCT)
Prior art keywords
signal
encoded signal
samples
supplemental data
encoder
Prior art date
Application number
PCT/IB1998/000040
Other languages
French (fr)
Other versions
WO1998033324A2 (en
Inventor
Alphons Antonius Mari Bruekers
Geert Florimond Gerar Depovere
Petrus Antonius Cornel Nuijten
Arnoldus Werner Johannes Oomen
Original Assignee
Koninkl Philips Electronics Nv
Philips Norden Ab
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 Koninkl Philips Electronics Nv, Philips Norden Ab filed Critical Koninkl Philips Electronics Nv
Priority to JP52918098A priority Critical patent/JP3929501B2/en
Priority to DE69837131T priority patent/DE69837131T2/en
Priority to UA98105632A priority patent/UA42863C2/en
Priority to EP98900036A priority patent/EP0900500B1/en
Priority to KR1019980707630A priority patent/KR100578952B1/en
Priority to PL98329943A priority patent/PL329943A1/en
Publication of WO1998033324A2 publication Critical patent/WO1998033324A2/en
Publication of WO1998033324A3 publication Critical patent/WO1998033324A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • G06T1/0035—Output size adaptive watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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
    • 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
    • G11B20/00891—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 embedded in audio data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • 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
    • 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
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
    • G11B2020/00065—Sigma-delta audio encoding

Abstract

Method of embedding watermarks in a signal encoded by an encoder having a feedback loop, for example, a sigma-delta modulator (21, 22, 23). A digital watermark pattern (w) is embedded in the signal (z) by modifying selected samples (for example, replacing every 100th bit) of the encoded signal (y) by samples of the watermark pattern. The circuit (24) for modifying the samples is located inside the loop of the encoder. The effect of watermarking is thus compensated in subsequent encoding steps and the signal-to-noise ratio is only slightly affected.
PCT/IB1998/000040 1997-01-27 1998-01-12 Embedding supplemental data in an encoded signal WO1998033324A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP52918098A JP3929501B2 (en) 1997-01-27 1998-01-12 Method and apparatus for embedding additional data in encoded signal
DE69837131T DE69837131T2 (en) 1997-01-27 1998-01-12 EMBEDDING OF ADDITIONAL DATA IN A CODED SIGNAL
UA98105632A UA42863C2 (en) 1997-01-27 1998-01-12 Input of supplementary data into coded signal
EP98900036A EP0900500B1 (en) 1997-01-27 1998-01-12 Embedding supplemental data in an encoded signal
KR1019980707630A KR100578952B1 (en) 1997-01-27 1998-01-12 Method and apparatus for inserting additional data into an encoded signal
PL98329943A PL329943A1 (en) 1997-01-27 1998-01-12 Method of entering additional data into an encoded signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97200197 1997-01-27
EP97200197.8 1997-01-27

Publications (2)

Publication Number Publication Date
WO1998033324A2 WO1998033324A2 (en) 1998-07-30
WO1998033324A3 true WO1998033324A3 (en) 1998-11-12

Family

ID=8227952

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1998/000040 WO1998033324A2 (en) 1997-01-27 1998-01-12 Embedding supplemental data in an encoded signal

Country Status (15)

Country Link
US (1) US6157330A (en)
EP (1) EP0900500B1 (en)
JP (1) JP3929501B2 (en)
KR (1) KR100578952B1 (en)
CN (1) CN1183771C (en)
AT (1) ATE354916T1 (en)
CZ (1) CZ306598A3 (en)
DE (1) DE69837131T2 (en)
HU (1) HUP0000832A3 (en)
ID (1) ID20307A (en)
MY (1) MY120224A (en)
PL (1) PL329943A1 (en)
RU (1) RU2201039C2 (en)
UA (1) UA42863C2 (en)
WO (1) WO1998033324A2 (en)

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Also Published As

Publication number Publication date
KR100578952B1 (en) 2006-10-24
ATE354916T1 (en) 2007-03-15
CZ306598A3 (en) 1999-02-17
CN1234944A (en) 1999-11-10
EP0900500B1 (en) 2007-02-21
PL329943A1 (en) 1999-04-26
WO1998033324A2 (en) 1998-07-30
CN1183771C (en) 2005-01-05
HUP0000832A2 (en) 2000-07-28
RU2201039C2 (en) 2003-03-20
KR20000064790A (en) 2000-11-06
ID20307A (en) 1998-11-26
MY120224A (en) 2005-09-30
DE69837131T2 (en) 2007-11-08
HUP0000832A3 (en) 2002-09-30
UA42863C2 (en) 2001-11-15
DE69837131D1 (en) 2007-04-05
JP3929501B2 (en) 2007-06-13
EP0900500A2 (en) 1999-03-10
US6157330A (en) 2000-12-05
JP2000509587A (en) 2000-07-25

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