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AU2001274892A1 - Focus and illumination analysis algorithm for imaging device - Google Patents

Focus and illumination analysis algorithm for imaging device

Info

Publication number
AU2001274892A1
AU2001274892A1 AU2001274892A AU7489201A AU2001274892A1 AU 2001274892 A1 AU2001274892 A1 AU 2001274892A1 AU 2001274892 A AU2001274892 A AU 2001274892A AU 7489201 A AU7489201 A AU 7489201A AU 2001274892 A1 AU2001274892 A1 AU 2001274892A1
Authority
AU
Australia
Prior art keywords
focus
imaging device
analysis algorithm
illumination analysis
illumination
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.)
Abandoned
Application number
AU2001274892A
Inventor
Jason J. Lee
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.)
Acuity CiMatrix Inc
Original Assignee
Robotic Vision Systems 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 Robotic Vision Systems Inc filed Critical Robotic Vision Systems Inc
Publication of AU2001274892A1 publication Critical patent/AU2001274892A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10742—Photodetector array or CCD scanning including a diffuser for diffusing the light from the light source to create substantially uniform illumination of the target record carrier
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10732—Light sources
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10792—Special measures in relation to the object to be scanned
    • G06K7/10801—Multidistance reading
    • G06K7/10811—Focalisation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10881—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 constructional details of hand-held scanners
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1013—Multi-focal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (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)
  • Automatic Focus Adjustment (AREA)
AU2001274892A 2000-06-06 2001-06-06 Focus and illumination analysis algorithm for imaging device Abandoned AU2001274892A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US20959100P 2000-06-06 2000-06-06
US60209591 2000-06-06
US09873279 2001-06-05
US09/873,279 US6598797B2 (en) 1998-09-11 2001-06-05 Focus and illumination analysis algorithm for imaging device
PCT/US2001/016482 WO2001095012A1 (en) 2000-06-06 2001-06-06 Focus and illumination analysis algorithm for imaging device

Publications (1)

Publication Number Publication Date
AU2001274892A1 true AU2001274892A1 (en) 2001-12-17

Family

ID=26904304

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001274892A Abandoned AU2001274892A1 (en) 2000-06-06 2001-06-06 Focus and illumination analysis algorithm for imaging device

Country Status (3)

Country Link
US (1) US6598797B2 (en)
AU (1) AU2001274892A1 (en)
WO (1) WO2001095012A1 (en)

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US6695510B1 (en) * 2000-05-31 2004-02-24 Wyeth Multi-composition stick product and a process and system for manufacturing the same
US7464877B2 (en) * 2003-11-13 2008-12-16 Metrologic Instruments, Inc. Digital imaging-based bar code symbol reading system employing image cropping pattern generator and automatic cropped image processor
US7140543B2 (en) * 2000-11-24 2006-11-28 Metrologic Instruments, Inc. Planar light illumination and imaging device with modulated coherent illumination that reduces speckle noise induced by coherent illumination
US7268924B2 (en) 2001-01-22 2007-09-11 Hand Held Products, Inc. Optical reader having reduced parameter determination delay
US7270273B2 (en) 2001-01-22 2007-09-18 Hand Held Products, Inc. Optical reader having partial frame operating mode
DE60237553D1 (en) 2001-01-22 2010-10-14 Hand Held Prod Inc Optical reader with partial frame operating mode
US7331523B2 (en) 2001-07-13 2008-02-19 Hand Held Products, Inc. Adaptive optical image reader
US7513428B2 (en) * 2001-11-21 2009-04-07 Metrologic Instruments, Inc. Planar laser illumination and imaging device employing laser current modulation to generate spectral components and reduce temporal coherence of laser beam, so as to achieve a reduction in speckle-pattern noise during time-averaged detection of images of objects illuminated thereby during imaging operations
JP3548783B2 (en) * 2002-12-10 2004-07-28 オムロン株式会社 Optical code reading method and device
US7152797B1 (en) * 2003-09-23 2006-12-26 Intermec Ip Corp. Apparatus and method for reading embedded indicia
US7823789B2 (en) 2004-12-21 2010-11-02 Cognex Technology And Investment Corporation Low profile illumination for direct part mark readers
US9536124B1 (en) 2003-10-24 2017-01-03 Cognex Corporation Integrated illumination assembly for symbology reader
US7874487B2 (en) 2005-10-24 2011-01-25 Cognex Technology And Investment Corporation Integrated illumination assembly for symbology reader
US7604174B2 (en) * 2003-10-24 2009-10-20 Cognex Technology And Investment Corporation Method and apparatus for providing omnidirectional lighting in a scanning device
US7823783B2 (en) 2003-10-24 2010-11-02 Cognex Technology And Investment Corporation Light pipe illumination system and method
US9070031B2 (en) 2003-10-24 2015-06-30 Cognex Technology And Investment Llc Integrated illumination assembly for symbology reader
US7201321B2 (en) * 2004-08-27 2007-04-10 Symbol Technologies, Inc. Electro-optically reading direct part markings on workpieces by image capture
US9292724B1 (en) 2004-12-16 2016-03-22 Cognex Corporation Hand held symbology reader illumination diffuser with aimer optics
US7617984B2 (en) 2004-12-16 2009-11-17 Cognex Technology And Investment Corporation Hand held symbology reader illumination diffuser
US7780089B2 (en) 2005-06-03 2010-08-24 Hand Held Products, Inc. Digital picture taking optical reader having hybrid monochrome and color image sensor array
US7611060B2 (en) 2005-03-11 2009-11-03 Hand Held Products, Inc. System and method to automatically focus an image reader
US7568628B2 (en) 2005-03-11 2009-08-04 Hand Held Products, Inc. Bar code reading device with global electronic shutter control
US7331524B2 (en) * 2005-05-31 2008-02-19 Symbol Technologies, Inc. Feedback mechanism for scanner devices
US7770799B2 (en) 2005-06-03 2010-08-10 Hand Held Products, Inc. Optical reader having reduced specular reflection read failures
US20070125863A1 (en) * 2005-12-05 2007-06-07 Jakoboski Timothy A System and method for employing infrared illumination for machine vision
US20070152064A1 (en) * 2005-12-30 2007-07-05 Laurens Nunnink Diffuse light ring for reading encoded symbols
US20070164115A1 (en) * 2006-01-17 2007-07-19 Symboltechnologies, Inc. Automatic exposure system for imaging-based bar code reader
US8016199B2 (en) * 2006-12-14 2011-09-13 Cognex Corporation Illumination devices for image acquisition systems
US7852519B2 (en) 2007-02-05 2010-12-14 Hand Held Products, Inc. Dual-tasking decoder for improved symbol reading
JP5194566B2 (en) 2007-05-30 2013-05-08 富士ゼロックス株式会社 Image processing apparatus, image processing system, and control program
US7918398B2 (en) 2007-06-04 2011-04-05 Hand Held Products, Inc. Indicia reading terminal having multiple setting imaging lens
US8628015B2 (en) 2008-10-31 2014-01-14 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing
US20100127081A1 (en) * 2008-11-25 2010-05-27 Metrologic Instruments, Inc. Targeting scheme for dataform readers
US8083148B2 (en) 2008-12-16 2011-12-27 Hand Held Products, Inc. Indicia reading terminal including frame processing
US8587595B2 (en) 2009-10-01 2013-11-19 Hand Held Products, Inc. Low power multi-core decoder system and method
US9298963B2 (en) * 2010-12-23 2016-03-29 Cognex Corporation Mark reader with reduced trigger-to-decode response time
US10210369B2 (en) * 2010-12-23 2019-02-19 Cognex Corporation Mark reader with reduced trigger-to-decode response time
US8629926B2 (en) 2011-11-04 2014-01-14 Honeywell International, Inc. Imaging apparatus comprising image sensor array having shared global shutter circuitry
DE102013014510A1 (en) * 2013-08-22 2015-02-26 J.G. WEISSER SöHNE GMBH & CO. KG Method for operating, maintaining and / or assembling a machine and a machine
US9521331B2 (en) * 2015-04-21 2016-12-13 Hand Held Products, Inc. Capturing a graphic information presentation
US9881194B1 (en) 2016-09-19 2018-01-30 Hand Held Products, Inc. Dot peen mark image acquisition
MA49243B1 (en) * 2017-06-06 2021-07-29 Sicpa Holding Sa Lighting device for an optical system of a reading device
TWI689868B (en) * 2018-01-03 2020-04-01 虹光精密工業股份有限公司 Portable image capture electronic device and image capture system therewith

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JPH0519161A (en) * 1991-07-15 1993-01-29 Nikon Corp Automatic focus adjustment controller
US5815200A (en) * 1994-07-26 1998-09-29 Metanetics Corporation Extended working range dataform reader with reduced power consumption
US5563658A (en) * 1994-12-16 1996-10-08 Eastman Kodak Company Electronic camera with rapid automatic focus of an image upon an image sensor
JPH096891A (en) * 1995-06-21 1997-01-10 Asahi Optical Co Ltd Data symbol reading device and data symbol reading system
US6036091A (en) * 1995-12-19 2000-03-14 Webscan, Inc. Method and apparatus supporting high speed evaluation of bar code indicia
US5818023A (en) * 1996-03-05 1998-10-06 Metanetics Corporation Portable ID card verification apparatus
US6179208B1 (en) * 1997-01-31 2001-01-30 Metanetics Corporation Portable data collection device with variable focusing module for optic assembly
US6053408A (en) * 1997-12-02 2000-04-25 Telxon Corporation Multi-focal length imaging based portable dataform reader

Also Published As

Publication number Publication date
US6598797B2 (en) 2003-07-29
US20010027999A1 (en) 2001-10-11
WO2001095012A1 (en) 2001-12-13

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