JP2000353208A - ２次元コード・パターン生成方法及び装置、並びに、その復号方法及び装置 - Google Patents

２次元コード・パターン生成方法及び装置、並びに、その復号方法及び装置

Info

Publication number
JP2000353208A
JP2000353208A JP2000121270A JP2000121270A JP2000353208A JP 2000353208 A JP2000353208 A JP 2000353208A JP 2000121270 A JP2000121270 A JP 2000121270A JP 2000121270 A JP2000121270 A JP 2000121270A JP 2000353208 A JP2000353208 A JP 2000353208A
Authority
JP
Japan
Prior art keywords
pattern
dimensional code
code pattern
phase
dimensional
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.)
Pending
Application number
JP2000121270A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000353208A5 (enExample
Inventor
Gerard Ralkin Kieran
ジェラード ラルキン キエラン
Alexander Oldfield Michael
アレキサンダー オールドフィールド マイケル
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of JP2000353208A publication Critical patent/JP2000353208A/ja
Publication of JP2000353208A5 publication Critical patent/JP2000353208A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP2000121270A 1999-04-21 2000-04-21 ２次元コード・パターン生成方法及び装置、並びに、その復号方法及び装置 Pending JP2000353208A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU9920 1999-04-21
AUPP9920A AUPP992099A0 (en) 1999-04-21 1999-04-21 Creation and decoding of two-dimensional code patterns

Publications (2)

Publication Number Publication Date
JP2000353208A true JP2000353208A (ja) 2000-12-19
JP2000353208A5 JP2000353208A5 (enExample) 2007-06-14

Family

ID=3814119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000121270A Pending JP2000353208A (ja) 1999-04-21 2000-04-21 ２次元コード・パターン生成方法及び装置、並びに、その復号方法及び装置

Country Status (3)

Country Link
US (1) US7131588B1 (enExample)
JP (1) JP2000353208A (enExample)
AU (1) AUPP992099A0 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9450953B2 (en) * 2013-11-06 2016-09-20 Blackberry Limited Blacklisting of frequently used gesture passwords
CN113642346B (zh) * 2020-05-11 2023-12-08 北京君正集成电路股份有限公司 一种提升处理器采集图像数据速率的方法
CN116725674B (zh) * 2023-08-14 2023-12-15 成都寻创信息技术有限公司 三维实时图像的追踪方法、装置及存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542989A (en) * 1981-03-02 1985-09-24 Randwal Instrument Co., Inc. Apparatus for position encoding
US5003600A (en) * 1989-08-03 1991-03-26 The United States Of America As Represented By The Department Of Energy Diffraction gratings used as identifying markers
US5477383A (en) * 1993-02-05 1995-12-19 Apa Optics, Inc. Optical array method and apparatus
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US6043870A (en) * 1996-07-01 2000-03-28 Cybernet Systems Corporation Compact fiber optic electronic laser speckle pattern interferometer
US5841813A (en) 1996-09-04 1998-11-24 Lucent Technologies Inc. Digital communications system using complementary codes and amplitude modulation
US6211919B1 (en) 1997-03-28 2001-04-03 Tektronix, Inc. Transparent embedment of data in a video signal
US6066949A (en) * 1997-11-19 2000-05-23 The Board Of Trustees Of The Leland Stanford Junior University Gradient characterization using fourier-transform
JP2913475B1 (ja) * 1998-02-17 1999-06-28 一男 佐藤 二次元コードの形成方法
AUPP340698A0 (en) * 1998-05-07 1998-05-28 Canon Kabushiki Kaisha Method and apparatus for highly efficient representation and compression of images

Also Published As

Publication number Publication date
US7131588B1 (en) 2006-11-07
AUPP992099A0 (en) 1999-05-20

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