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 PDFInfo
- 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
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.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007258723A JP2009087215A (en) | 2007-10-02 | 2007-10-02 | Optical recognition code reading method, device and program |
JP2007258430A JP2009087194A (en) | 2007-10-02 | 2007-10-02 | Optical recognition code reading method, and printed matter with optical recognition code printed thereon |
JP2007-258430 | 2007-10-02 | ||
JP2007-258723 | 2007-10-02 |
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)
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 |
-
2008
- 2008-09-30 WO PCT/JP2008/067717 patent/WO2009044720A1/en active Application Filing
- 2008-10-01 TW TW97137728A patent/TW200921523A/en unknown
Patent Citations (8)
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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