ATE289437T1 - Optisches wasserzeichen - Google Patents

Optisches wasserzeichen

Info

Publication number
ATE289437T1
ATE289437T1 AT00964869T AT00964869T ATE289437T1 AT E289437 T1 ATE289437 T1 AT E289437T1 AT 00964869 T AT00964869 T AT 00964869T AT 00964869 T AT00964869 T AT 00964869T AT E289437 T1 ATE289437 T1 AT E289437T1
Authority
AT
Austria
Prior art keywords
watermark
optical watermark
layered
decoder
optical
Prior art date
Application number
AT00964869T
Other languages
German (de)
English (en)
Inventor
Sheng Huang
Jian Kang Wu
Original Assignee
Trustcopy Pte Ltd
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 Trustcopy Pte Ltd filed Critical Trustcopy Pte Ltd
Application granted granted Critical
Publication of ATE289437T1 publication Critical patent/ATE289437T1/de

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
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • 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
    • G06T2201/0051—Embedding of the watermark in the spatial domain

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Holo Graphy (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Credit Cards Or The Like (AREA)
AT00964869T 2000-09-15 2000-09-15 Optisches wasserzeichen ATE289437T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2000/000147 WO2002023481A1 (en) 2000-09-15 2000-09-15 Optical watermark

Publications (1)

Publication Number Publication Date
ATE289437T1 true ATE289437T1 (de) 2005-03-15

Family

ID=20428862

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00964869T ATE289437T1 (de) 2000-09-15 2000-09-15 Optisches wasserzeichen

Country Status (8)

Country Link
US (1) US7366301B2 (enExample)
EP (1) EP1317734B1 (enExample)
JP (1) JP4373045B2 (enExample)
CN (1) CN1170254C (enExample)
AT (1) ATE289437T1 (enExample)
AU (1) AU785178B2 (enExample)
DE (1) DE60018222T2 (enExample)
WO (1) WO2002023481A1 (enExample)

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CN111476703B (zh) * 2020-04-09 2024-04-26 北京印实科技有限公司 一种光学水印的制作方法
CN113630606B (zh) * 2020-05-07 2024-04-19 百度在线网络技术（北京）有限公司 视频水印处理方法、装置、电子设备及存储介质
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Also Published As

Publication number Publication date
US20020054680A1 (en) 2002-05-09
EP1317734A1 (en) 2003-06-11
AU785178B2 (en) 2006-10-12
US7366301B2 (en) 2008-04-29
DE60018222D1 (de) 2005-03-24
CN1372677A (zh) 2002-10-02
AU7569000A (en) 2002-03-26
WO2002023481A1 (en) 2002-03-21
JP2003530737A (ja) 2003-10-14
DE60018222T2 (de) 2006-01-12
EP1317734B1 (en) 2005-02-16
JP4373045B2 (ja) 2009-11-25
CN1170254C (zh) 2004-10-06

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