DE60225329D1 - Vorrichtung und verfahren zur erkennung von code - Google Patents

Vorrichtung und verfahren zur erkennung von code

Info

Publication number
DE60225329D1
DE60225329D1 DE60225329T DE60225329T DE60225329D1 DE 60225329 D1 DE60225329 D1 DE 60225329D1 DE 60225329 T DE60225329 T DE 60225329T DE 60225329 T DE60225329 T DE 60225329T DE 60225329 D1 DE60225329 D1 DE 60225329D1
Authority
DE
Germany
Prior art keywords
image
code
code image
represented
shades
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60225329T
Other languages
English (en)
Other versions
DE60225329T2 (de
Inventor
Cheol-Ho Cheong
Nam-Kyu Lee
Tack-Don Han
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colorzip Media Inc
Original Assignee
Colorzip Media Inc
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 Colorzip Media Inc filed Critical Colorzip Media Inc
Publication of DE60225329D1 publication Critical patent/DE60225329D1/de
Application granted granted Critical
Publication of DE60225329T2 publication Critical patent/DE60225329T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Communication Control (AREA)
  • Character Input (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE60225329T 2001-11-03 2002-05-13 Vorrichtung und verfahren zur erkennung von code Expired - Lifetime DE60225329T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020010068378A KR100339691B1 (ko) 2001-11-03 2001-11-03 코드인식을 위한 장치 및 그 방법
KR2001068378 2001-11-03
PCT/KR2002/000886 WO2003041014A1 (en) 2001-11-03 2002-05-13 Apparatus and method for recognizing code

Publications (2)

Publication Number Publication Date
DE60225329D1 true DE60225329D1 (de) 2008-04-10
DE60225329T2 DE60225329T2 (de) 2009-02-19

Family

ID=19715674

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60225329T Expired - Lifetime DE60225329T2 (de) 2001-11-03 2002-05-13 Vorrichtung und verfahren zur erkennung von code

Country Status (10)

Country Link
US (1) US6981644B2 (de)
EP (1) EP1456816B1 (de)
JP (1) JP4016342B2 (de)
KR (1) KR100339691B1 (de)
CN (1) CN1310187C (de)
AT (1) ATE387676T1 (de)
DE (1) DE60225329T2 (de)
ES (1) ES2303566T3 (de)
HK (1) HK1072826A1 (de)
WO (1) WO2003041014A1 (de)

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Also Published As

Publication number Publication date
JP2005509223A (ja) 2005-04-07
EP1456816A1 (de) 2004-09-15
KR20010113578A (ko) 2001-12-28
ATE387676T1 (de) 2008-03-15
CN1578969A (zh) 2005-02-09
EP1456816A4 (de) 2005-02-02
KR100339691B1 (ko) 2002-06-07
CN1310187C (zh) 2007-04-11
ES2303566T3 (es) 2008-08-16
US6981644B2 (en) 2006-01-03
WO2003041014A1 (en) 2003-05-15
US20050001033A1 (en) 2005-01-06
DE60225329T2 (de) 2009-02-19
EP1456816B1 (de) 2008-02-27
JP4016342B2 (ja) 2007-12-05
HK1072826A1 (en) 2005-09-09

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