WO2009044720A1 - Optical recognition code reading method, device, and program, and printed object marked with optical recognition code - Google Patents

Optical recognition code reading method, device, and program, and printed object marked with optical recognition code Download PDF

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Publication number
WO2009044720A1
WO2009044720A1 PCT/JP2008/067717 JP2008067717W WO2009044720A1 WO 2009044720 A1 WO2009044720 A1 WO 2009044720A1 JP 2008067717 W JP2008067717 W JP 2008067717W WO 2009044720 A1 WO2009044720 A1 WO 2009044720A1
Authority
WO
WIPO (PCT)
Prior art keywords
recognition code
optical recognition
program
printed objects
reading method
Prior art date
Application number
PCT/JP2008/067717
Other languages
French (fr)
Japanese (ja)
Inventor
Akiteru Kimura
Original Assignee
B-Core 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
Priority claimed from JP2007258723A external-priority patent/JP2009087215A/en
Priority claimed from JP2007258430A external-priority patent/JP2009087194A/en
Application filed by B-Core Inc. filed Critical B-Core Inc.
Publication of WO2009044720A1 publication Critical patent/WO2009044720A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Character Input (AREA)

Abstract

A stack of printed objects (8) are placed on a flat surface (in a containing case (16)) inclinedly. Consequently, as shown in Fig. 2(2), the objects (8) are arranged out of alignment, and the front surfaces (12) (or the back surfaces (14)) of the printed objects (8) are partially exposed between the edges of the printed objects (8). The colors of the front and back surfaces (12, 14) of the printed objects (8) of an example of the invention are other than the mark color, and the front and back surfaces (12, 14) constitute quiet zones. Therefore, when the thus arranged printed objects are imaged with a CCD camera, the symbols can be separated accurately thanks to the presence of the quiet zones, and decoding can be accurately conducted.
PCT/JP2008/067717 2007-10-02 2008-09-30 Optical recognition code reading method, device, and program, and printed object marked with optical recognition code WO2009044720A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-258723 2007-10-02
JP2007258723A JP2009087215A (en) 2007-10-02 2007-10-02 Optical recognition code reading method, device and program
JP2007-258430 2007-10-02
JP2007258430A JP2009087194A (en) 2007-10-02 2007-10-02 Optical recognition code reading method, and printed matter with optical recognition code printed thereon

Publications (1)

Publication Number Publication Date
WO2009044720A1 true WO2009044720A1 (en) 2009-04-09

Family

ID=40526148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067717 WO2009044720A1 (en) 2007-10-02 2008-09-30 Optical recognition code reading method, device, and program, and printed object marked with optical recognition code

Country Status (2)

Country Link
TW (1) TW200921523A (en)
WO (1) WO2009044720A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62209683A (en) * 1986-02-18 1987-09-14 Fujitsu Ltd Substrate core reading system
JPH05298472A (en) * 1992-04-17 1993-11-12 Tokyo Electric Co Ltd Bar code reader
JPH06162250A (en) * 1992-11-27 1994-06-10 Ricoh Co Ltd Business form reader
JP2002178679A (en) * 2000-08-21 2002-06-26 Xerox Corp Sheet member with code and processing system
JP2005128626A (en) * 2003-10-21 2005-05-19 Denso Wave Inc Barcode reader and barcode discriminating method
JP2006023130A (en) * 2004-07-06 2006-01-26 Daido Steel Co Ltd End face position detector for semifinished product of steel
JP2006079615A (en) * 2004-09-07 2006-03-23 Canon Inc Method for confirming position of qr code (r), device and storage medium
JP2007143791A (en) * 2005-11-28 2007-06-14 Taito Corp Game card reading system, game card reading device and game card

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62209683A (en) * 1986-02-18 1987-09-14 Fujitsu Ltd Substrate core reading system
JPH05298472A (en) * 1992-04-17 1993-11-12 Tokyo Electric Co Ltd Bar code reader
JPH06162250A (en) * 1992-11-27 1994-06-10 Ricoh Co Ltd Business form reader
JP2002178679A (en) * 2000-08-21 2002-06-26 Xerox Corp Sheet member with code and processing system
JP2005128626A (en) * 2003-10-21 2005-05-19 Denso Wave Inc Barcode reader and barcode discriminating method
JP2006023130A (en) * 2004-07-06 2006-01-26 Daido Steel Co Ltd End face position detector for semifinished product of steel
JP2006079615A (en) * 2004-09-07 2006-03-23 Canon Inc Method for confirming position of qr code (r), device and storage medium
JP2007143791A (en) * 2005-11-28 2007-06-14 Taito Corp Game card reading system, game card reading device and game card

Also Published As

Publication number Publication date
TW200921523A (en) 2009-05-16

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