DE69324095D1 - Verfahren und Vorrichtung zum Dedektieren von strichkodierten Symbolen mit Unterpixel-Interpolation - Google Patents
Verfahren und Vorrichtung zum Dedektieren von strichkodierten Symbolen mit Unterpixel-InterpolationInfo
- Publication number
- DE69324095D1 DE69324095D1 DE69324095T DE69324095T DE69324095D1 DE 69324095 D1 DE69324095 D1 DE 69324095D1 DE 69324095 T DE69324095 T DE 69324095T DE 69324095 T DE69324095 T DE 69324095T DE 69324095 D1 DE69324095 D1 DE 69324095D1
- Authority
- DE
- Germany
- Prior art keywords
- sub
- characters
- character
- pixel interpolation
- coded symbols
- 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
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
- G06K7/10544—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
- G06K7/10821—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 further details of bar or optical code scanning devices
- G06K7/1092—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 further details of bar or optical code scanning devices sensing by means of TV-scanning
-
- 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
- G06K7/10821—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 further details of bar or optical code scanning devices
- G06K7/1093—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 further details of bar or optical code scanning devices sensing, after transfer of the image of the data-field to an intermediate store, e.g. storage with cathode ray tube
-
- 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
- G06K7/1404—Methods for optical code recognition
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
-
- 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
- G06K7/1404—Methods for optical code recognition
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1456—Methods for optical code recognition including a method step for retrieval of the optical code determining the orientation of the optical code with respect to the reader and correcting therefore
-
- 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
- G06K7/1404—Methods for optical code recognition
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
- G06K7/1465—Methods for optical code recognition the method including quality enhancement steps using several successive scans of the optical code
-
- 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
- G06K7/1404—Methods for optical code recognition
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
- G06K7/1469—Methods for optical code recognition the method including quality enhancement steps using sub-pixel interpolation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/927,905 US5329105A (en) | 1992-08-10 | 1992-08-10 | Method and apparatus for determining the width of elements of bar code symbols |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69324095D1 true DE69324095D1 (de) | 1999-04-29 |
DE69324095T2 DE69324095T2 (de) | 1999-07-15 |
Family
ID=25455434
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69324095T Expired - Lifetime DE69324095T2 (de) | 1992-08-10 | 1993-07-19 | Verfahren und Vorrichtung zum Dedektieren von strichkodierten Symbolen mit Unterpixel-Interpolation |
DE69332771T Expired - Lifetime DE69332771T2 (de) | 1992-08-10 | 1993-07-19 | Verfahren und Vorrichtung zum Dekodieren von strichkodierten Symbolen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69332771T Expired - Lifetime DE69332771T2 (de) | 1992-08-10 | 1993-07-19 | Verfahren und Vorrichtung zum Dekodieren von strichkodierten Symbolen |
Country Status (7)
Country | Link |
---|---|
US (2) | US5329105A (de) |
EP (2) | EP0887760B8 (de) |
AT (1) | ATE178151T1 (de) |
DE (2) | DE69324095T2 (de) |
DK (1) | DK0591635T3 (de) |
ES (2) | ES2195237T3 (de) |
GR (1) | GR3030261T3 (de) |
Families Citing this family (76)
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JP3077616B2 (ja) * | 1997-01-31 | 2000-08-14 | 富士通株式会社 | バーコード読取方法 |
US5979768A (en) * | 1988-01-14 | 1999-11-09 | Intermec I.P. Corp. | Enhanced bar code resolution through relative movement of sensor and object |
US6688523B1 (en) | 1988-08-31 | 2004-02-10 | Intermec Ip Corp. | System for reading optical indicia |
US5633446A (en) * | 1990-04-18 | 1997-05-27 | Plant Genetic Systems, N.V. | Modified Bacillus thuringiensis insecticidal-crystal protein genes and their expression in plant cells |
CA2122261A1 (en) * | 1991-10-30 | 1993-05-13 | Marc Cornelissen | Modified genes and their expression in plant cells |
JP3191999B2 (ja) * | 1992-09-10 | 2001-07-23 | オリンパス光学工業株式会社 | バーコードシンボル読取装置 |
EP0682795A1 (de) * | 1993-02-02 | 1995-11-22 | Label Vision Systems, Inc. | Vorrichtung und verfahren zur dekodierung von strichkodierten daten aus einem videosignal und ihre anwendungen |
JPH075564A (ja) * | 1993-06-18 | 1995-01-10 | Fuji Photo Film Co Ltd | フイルムカートリッジ用バーコード読取り装置 |
US5446271A (en) * | 1993-08-06 | 1995-08-29 | Spectra-Physics Scanning Systems, Inc. | Omnidirectional scanning method and apparatus |
US6129278A (en) * | 1994-05-19 | 2000-10-10 | Metanetics Corporation | Detecting image cell position with subpixel accuracy |
US5515447A (en) * | 1994-06-07 | 1996-05-07 | United Parcel Service Of America, Inc. | Method and apparatus for locating an acquisition target in two-dimensional images by detecting symmetry in two different directions |
DE69515481T2 (de) * | 1994-06-07 | 2000-10-19 | United Parcel Service Inc | Verfahren und Vorrichtung zur Dekodierung eines zweidimensionalen Symboles im Raumbereich |
US5814803A (en) * | 1994-12-23 | 1998-09-29 | Spectra-Physics Scanning Systems, Inc. | Image reader with multi-focus lens |
US5770847A (en) * | 1994-12-23 | 1998-06-23 | Spectra-Physics Scanning Systems, Inc. | Bar code reader with multi-focus lens |
NL9500597A (nl) * | 1995-03-28 | 1996-11-01 | Scantech Bv | Werkwijze en inrichting voor het decoderen van barcodes. |
US5979763A (en) * | 1995-10-13 | 1999-11-09 | Metanetics Corporation | Sub-pixel dataform reader with dynamic noise margins |
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US5966463A (en) * | 1995-11-13 | 1999-10-12 | Meta Holding Corporation | Dataform readers using interactive storage and analysis of image data |
US6039252A (en) * | 1995-12-14 | 2000-03-21 | Intermec Corporation | Bar code reading system for reconstructing irregularly damaged bar codes |
JP3324374B2 (ja) * | 1995-12-25 | 2002-09-17 | 富士通株式会社 | バーコード復調方法並びにバーコード読取装置 |
US5764798A (en) * | 1996-03-18 | 1998-06-09 | Intermec Corporation | Prioritized searching methods for finding a coded symbol in a digitized image |
US5811779A (en) * | 1996-08-22 | 1998-09-22 | General Electric Company | Laser bar code reader system for a fuel rod in a boiling water nuclear reactor |
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US5767497A (en) * | 1996-12-04 | 1998-06-16 | United Parcel Service Of America, Inc. | Method and apparatus for decoding bar code symbols using ratio analysis of module size |
DE19716886C2 (de) * | 1997-04-22 | 2001-02-01 | Sick Ag | Verfahren und Vorrichtung zum Lesen eines Strichcodes |
CA2288758C (en) * | 1997-05-05 | 2007-07-17 | Alexander R. Roustaei | Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field |
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US6102295A (en) * | 1998-01-14 | 2000-08-15 | Intermec Ip Corp. | Method and apparatus for decoding symbols by declaring erasures of element characteristics |
US5969326A (en) * | 1998-01-14 | 1999-10-19 | Intermec Ip Corp. | Method and apparatus of autodiscriminating in symbol reader employing prioritized and updated table of symbologies |
US7147161B2 (en) * | 1998-06-12 | 2006-12-12 | Symbol Technologies, Inc. | Digitizing bar code symbol data |
US6328213B1 (en) | 1998-06-12 | 2001-12-11 | Symbol Technologies, Inc. | Method of processing an analog electrical signal containing information representative of reflected light from coded indicia, wherein the electrical signal contains edge transitions |
US6688522B1 (en) * | 1998-09-11 | 2004-02-10 | L. V. Partners, L.P. | Unique bar code |
US6585157B2 (en) | 1998-09-14 | 2003-07-01 | Psc Scanning, Inc. | Symbology determination to aid decoding in a bar code scanning system |
US6494376B1 (en) * | 1998-09-14 | 2002-12-17 | Psc Scanning, Inc. | Compensation for scan line variations in a bar code scanner system |
US6513714B1 (en) * | 1998-09-14 | 2003-02-04 | Psc Scanning, Inc. | Character reconstruction and element level processing in bar code scanning system |
US6454168B1 (en) | 1998-09-14 | 2002-09-24 | Psc Scanning, Inc. | Correlation and stitching techniques in a bar code scanning system |
US6330972B1 (en) | 1998-10-22 | 2001-12-18 | Intermec Ip Corporation | Error correction enhancement for code 93i and other machine-readable symbologies |
JP3994595B2 (ja) * | 1998-11-16 | 2007-10-24 | 株式会社デンソー | バーコード読取方法及び記録媒体 |
US6688525B1 (en) * | 1999-09-22 | 2004-02-10 | Eastman Kodak Company | Apparatus and method for reading a coded pattern |
CA2388010A1 (en) * | 1999-12-13 | 2001-06-14 | Pioneer Hi-Bred International, Inc. | Rad3 orthologue-1 and uses thereof |
US20060082557A1 (en) * | 2000-04-05 | 2006-04-20 | Anoto Ip Lic Hb | Combined detection of position-coding pattern and bar codes |
CA2408454C (en) * | 2000-05-09 | 2007-12-04 | Colorzip Media, Inc. | Machine readable code and method and device of encoding and decoding the same |
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US6751352B1 (en) | 2000-05-25 | 2004-06-15 | Hewlett-Packard Development Company, L.P. | Method and apparatus for generating and decoding a visually significant barcode |
US20020021835A1 (en) * | 2000-06-02 | 2002-02-21 | Markus Andreasson | Method and device for recording of information |
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DE10040614A1 (de) * | 2000-08-16 | 2002-02-28 | Gavitec Gmbh | Verfahren zur automatischen Erkennung einer gerichteten Struktur |
US8682077B1 (en) | 2000-11-28 | 2014-03-25 | Hand Held Products, Inc. | Method for omnidirectional processing of 2D images including recognizable characters |
US6938017B2 (en) * | 2000-12-01 | 2005-08-30 | Hewlett-Packard Development Company, L.P. | Scalable, fraud resistant graphical payment indicia |
US6895116B2 (en) * | 2001-06-07 | 2005-05-17 | Hewlett-Packard Development Company, L.P. | Automatically extracting graphical bar codes |
US7028911B2 (en) * | 2002-08-07 | 2006-04-18 | Shenzhen Syscan Technology Co. Limited | Methods and systems for encoding and decoding data in 2D symbology |
US7050631B2 (en) | 2002-10-30 | 2006-05-23 | Sick Auto Ident, Inc. | Barcode detection system |
US20040108386A1 (en) * | 2002-12-09 | 2004-06-10 | Rasti Mehran Randall | Personalized postage and methodology to stop and trace a suspicious mail piece |
US7137558B2 (en) * | 2003-02-20 | 2006-11-21 | R.R. Donnelley & Sons Company | Methods and apparatus for forming barcode characters |
JP4070631B2 (ja) * | 2003-02-21 | 2008-04-02 | 富士通株式会社 | バーコード読取装置およびバーコード読取方法 |
US7463770B2 (en) * | 2003-07-21 | 2008-12-09 | Lockheed Martin Corporation | Methods and systems for detection of repeating patterns of features |
US7364081B2 (en) * | 2003-12-02 | 2008-04-29 | Hand Held Products, Inc. | Method and apparatus for reading under sampled bar code symbols |
US7506816B2 (en) * | 2004-10-04 | 2009-03-24 | Datalogic Scanning, Inc. | System and method for determining a threshold for edge detection based on an undifferentiated equalized scan line signal |
US8314290B2 (en) | 2004-12-21 | 2012-11-20 | Monsanto Technology Llc | Temporal regulation of gene expression by MicroRNAs |
US7775428B2 (en) * | 2005-05-06 | 2010-08-17 | Berkun Kenneth A | Systems and methods for generating, reading and transferring identifiers |
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EP1938483B1 (de) | 2005-09-21 | 2015-07-08 | Intermec IP Corp. | Verfahren und system eines stochastischen kommunikationsprotokolls für etiketten der hochfrequenzidentifikation (rfid) auf der basis einer koalitionsbildung wie etwa für die kommunikation von etikett zu etikett |
US8120461B2 (en) | 2006-04-03 | 2012-02-21 | Intermec Ip Corp. | Automatic data collection device, method and article |
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US8662396B2 (en) * | 2007-03-23 | 2014-03-04 | Labels That Talk, Ltd | Method for reproducing and using a bar code symbol |
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CN102034084B (zh) * | 2009-09-25 | 2013-03-06 | 神基科技股份有限公司 | 多类型条形码的辨识方法及条形码辨识装置 |
EP2393036B1 (de) * | 2010-06-01 | 2016-03-02 | Fujian Newland Computer Co., Ltd. | Strichcode-Decodierchip |
US20130021393A1 (en) * | 2011-07-22 | 2013-01-24 | Combs Gregg A | Static elecronic display |
US10599902B2 (en) | 2014-10-09 | 2020-03-24 | Cognex Corporation | Methods and apparatus for decoding under-resolved symbols |
US9607200B2 (en) | 2014-10-09 | 2017-03-28 | Cognex Corporation | Decoding barcodes |
CN109190434B (zh) * | 2018-06-25 | 2021-08-24 | 广东工业大学 | 一种基于亚像素级角点检测的条码识别算法 |
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-
1992
- 1992-08-10 US US07/927,905 patent/US5329105A/en not_active Expired - Lifetime
-
1993
- 1993-07-19 DE DE69324095T patent/DE69324095T2/de not_active Expired - Lifetime
- 1993-07-19 DE DE69332771T patent/DE69332771T2/de not_active Expired - Lifetime
- 1993-07-19 EP EP98113801A patent/EP0887760B8/de not_active Expired - Lifetime
- 1993-07-19 AT AT93111535T patent/ATE178151T1/de not_active IP Right Cessation
- 1993-07-19 ES ES98113801T patent/ES2195237T3/es not_active Expired - Lifetime
- 1993-07-19 EP EP93111535A patent/EP0591635B1/de not_active Expired - Lifetime
- 1993-07-19 ES ES93111535T patent/ES2132154T3/es not_active Expired - Lifetime
- 1993-07-19 DK DK93111535T patent/DK0591635T3/da active
-
1994
- 1994-03-22 US US08/215,900 patent/US5550365A/en not_active Expired - Lifetime
-
1999
- 1999-05-19 GR GR990401354T patent/GR3030261T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0887760A2 (de) | 1998-12-30 |
DE69332771D1 (de) | 2003-04-17 |
US5550365A (en) | 1996-08-27 |
EP0591635A3 (en) | 1994-06-22 |
DE69332771T2 (de) | 2004-02-12 |
GR3030261T3 (en) | 1999-08-31 |
ES2132154T3 (es) | 1999-08-16 |
ATE178151T1 (de) | 1999-04-15 |
ES2195237T3 (es) | 2003-12-01 |
EP0591635A2 (de) | 1994-04-13 |
US5329105A (en) | 1994-07-12 |
EP0887760B8 (de) | 2003-05-07 |
DE69324095T2 (de) | 1999-07-15 |
EP0887760B1 (de) | 2003-03-12 |
EP0887760A3 (de) | 2001-02-07 |
DK0591635T3 (da) | 1999-10-11 |
EP0591635B1 (de) | 1999-03-24 |
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