BG103366A - Метод и устройство за маркиране с невидим знак наинформационен сигнал - Google Patents

Метод и устройство за маркиране с невидим знак наинформационен сигнал

Info

Publication number
BG103366A
BG103366A BG103366A BG10336699A BG103366A BG 103366 A BG103366 A BG 103366A BG 103366 A BG103366 A BG 103366A BG 10336699 A BG10336699 A BG 10336699A BG 103366 A BG103366 A BG 103366A
Authority
BG
Bulgaria
Prior art keywords
detection
invisible sign
invisible
sign
information signal
Prior art date
Application number
BG103366A
Other languages
English (en)
Other versions
BG63063B1 (bg
Inventor
Johan Linnartz
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of BG103366A publication Critical patent/BG103366A/bg
Publication of BG63063B1 publication Critical patent/BG63063B1/bg

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00005—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to image data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00037—Detecting, i.e. determining the occurrence of a predetermined state
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0061—Embedding of the watermark in each block of the image, e.g. segmented watermarking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0083—Image watermarking whereby only watermarked image required at decoder, e.g. source-based, blind, oblivious

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Analysis (AREA)

Abstract

Изобретението се отнася до метод и устройство за детектиране на многобитов невидим знак в сигнал, например видеообраз, при повишена достоверност. Всеки бит на многобитовата стойност е представен чрезвъведена част от невидимия знак в сигнала. Вместо детектиране по конвенционалния метод наличието на всяка индивидуална част от невидимия знак, т.е. детектиране на всеки индивидуален бит, детектиранетосе свежда до детектиране (24, 23) наличието на пълния невидим знак в сигнала, независимо от неговата многобитова стойност, и последващо детектиране (25) до каква степен наличието на частите на невидимия знак кореспондира с многобитовата стойност, която се проверява.
BG103366A 1997-09-02 1999-04-28 Метод и устройство за маркиране с невидим знак наинформационен сигнал BG63063B1 (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97202700 1997-09-02
PCT/IB1998/001253 WO1999012331A2 (en) 1997-09-02 1998-08-17 Watermarking an information signal

Publications (2)

Publication Number Publication Date
BG103366A true BG103366A (bg) 2000-02-29
BG63063B1 BG63063B1 (bg) 2001-02-28

Family

ID=8228696

Family Applications (1)

Application Number Title Priority Date Filing Date
BG103366A BG63063B1 (bg) 1997-09-02 1999-04-28 Метод и устройство за маркиране с невидим знак наинформационен сигнал

Country Status (23)

Country Link
US (3) US6570996B1 (bg)
EP (1) EP0935872B1 (bg)
JP (1) JP3897825B2 (bg)
KR (1) KR100594955B1 (bg)
CN (1) CN1160935C (bg)
AR (2) AR013948A1 (bg)
AT (1) ATE209418T1 (bg)
AU (1) AU8556298A (bg)
BG (1) BG63063B1 (bg)
BR (1) BR9806152A (bg)
CA (1) CA2271042A1 (bg)
CZ (1) CZ153299A3 (bg)
DE (1) DE69803268T2 (bg)
ES (1) ES2168778T3 (bg)
HU (1) HUP0001275A3 (bg)
ID (1) ID21561A (bg)
IL (1) IL129712A0 (bg)
SK (1) SK59899A3 (bg)
TR (1) TR199900953T1 (bg)
TW (1) TW401700B (bg)
WO (1) WO1999012331A2 (bg)
YU (1) YU23799A (bg)
ZA (1) ZA987922B (bg)

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Also Published As

Publication number Publication date
IL129712A0 (en) 2000-02-29
US6714659B2 (en) 2004-03-30
CZ153299A3 (cs) 1999-09-15
US6570996B1 (en) 2003-05-27
CN1237305A (zh) 1999-12-01
TW401700B (en) 2000-08-11
WO1999012331A3 (en) 1999-05-27
ID21561A (id) 1999-06-24
ATE209418T1 (de) 2001-12-15
YU23799A (sh) 1999-12-27
EP0935872B1 (en) 2001-11-21
SK59899A3 (en) 1999-11-08
KR20000068877A (ko) 2000-11-25
US20030194108A1 (en) 2003-10-16
JP3897825B2 (ja) 2007-03-28
CN1160935C (zh) 2004-08-04
AU8556298A (en) 1999-03-22
BG63063B1 (bg) 2001-02-28
WO1999012331A2 (en) 1999-03-11
US6947573B2 (en) 2005-09-20
JP2001505390A (ja) 2001-04-17
AR013948A1 (es) 2001-01-31
DE69803268D1 (de) 2002-02-21
AR020483A1 (es) 2002-05-15
TR199900953T1 (xx) 1999-12-21
HUP0001275A3 (en) 2002-09-30
DE69803268T2 (de) 2002-08-08
ES2168778T3 (es) 2002-06-16
CA2271042A1 (en) 1999-03-11
HUP0001275A2 (hu) 2000-08-28
ZA987922B (en) 2000-02-29
EP0935872A2 (en) 1999-08-18
BR9806152A (pt) 2000-01-11
KR100594955B1 (ko) 2006-07-03
US20040131228A1 (en) 2004-07-08

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