WO2010033886A3 - System and method for scene change triggering - Google Patents

System and method for scene change triggering Download PDF

Info

Publication number
WO2010033886A3
WO2010033886A3 PCT/US2009/057610 US2009057610W WO2010033886A3 WO 2010033886 A3 WO2010033886 A3 WO 2010033886A3 US 2009057610 W US2009057610 W US 2009057610W WO 2010033886 A3 WO2010033886 A3 WO 2010033886A3
Authority
WO
WIPO (PCT)
Prior art keywords
light intensity
content
intensity level
levels
platen
Prior art date
Application number
PCT/US2009/057610
Other languages
French (fr)
Other versions
WO2010033886A2 (en
Inventor
Alexis J. Cournoyer
Original Assignee
Gtech Corporation
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 Gtech Corporation filed Critical Gtech Corporation
Priority to EP09740774A priority Critical patent/EP2340643A2/en
Priority to AU2009293027A priority patent/AU2009293027A1/en
Priority to CN2009801462397A priority patent/CN102217296A/en
Priority to GB1106463A priority patent/GB2476221A/en
Priority to CA2738009A priority patent/CA2738009A1/en
Priority to JP2011528027A priority patent/JP2012503258A/en
Publication of WO2010033886A2 publication Critical patent/WO2010033886A2/en
Publication of WO2010033886A3 publication Critical patent/WO2010033886A3/en
Priority to IL211833A priority patent/IL211833A0/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
    • G06K7/10544—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • H04N1/00689—Presence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • H04N1/00692—Absence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • H04N1/00694—Presence or absence in an input tray
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00729—Detection means
    • H04N1/00734—Optical detectors
    • H04N1/00737—Optical detectors using the scanning elements as detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/0075—Detecting a change in reflectivity
    • H04N1/00753—Detecting a change in reflectivity of a sheet relative to a particular backgroud
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00763—Action taken as a result of detection
    • H04N1/00769—Comparing, e.g. with threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19594—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays using a television camera or a still video camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0436—Scanning a picture-bearing surface lying face up on a support

Abstract

A triggering system and process for a form reader is shown using a histogram of the optical scene. The form reader is open on three sides with a camera facing a platen on to which a form is placed. The camera converts the light rays reflected from the platen into a video stream that is sent to a processor. A change in content of a first light intensity level contrasted to the content of a second light intensity level is used to determine when the form enters the scene. Illustratively, the first light intensity level represents black levels and the second light intensity levels represent white levels. A threshold is pre-determined that isolates the first light intensity content, and when the first light intensity content remains constant (after the presence of a form) the form is deemed to be still wherein the system may then read the information on the form.
PCT/US2009/057610 2008-09-22 2009-09-21 System and method for scene change triggering WO2010033886A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP09740774A EP2340643A2 (en) 2008-09-22 2009-09-21 System and method for scene change triggering
AU2009293027A AU2009293027A1 (en) 2008-09-22 2009-09-21 System and method for scene change triggering
CN2009801462397A CN102217296A (en) 2008-09-22 2009-09-21 System and method for scene change triggering
GB1106463A GB2476221A (en) 2008-09-22 2009-09-21 System and method for scene change triggering
CA2738009A CA2738009A1 (en) 2008-09-22 2009-09-21 System and method for scene change triggering
JP2011528027A JP2012503258A (en) 2008-09-22 2009-09-21 System and method for scene change trigger
IL211833A IL211833A0 (en) 2008-09-22 2011-03-21 System and method for scene change triggering

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/234,992 2008-09-22
US12/234,992 US8059168B2 (en) 2005-03-14 2008-09-22 System and method for scene change triggering

Publications (2)

Publication Number Publication Date
WO2010033886A2 WO2010033886A2 (en) 2010-03-25
WO2010033886A3 true WO2010033886A3 (en) 2010-07-01

Family

ID=42040177

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/057610 WO2010033886A2 (en) 2008-09-22 2009-09-21 System and method for scene change triggering

Country Status (10)

Country Link
US (1) US8059168B2 (en)
EP (1) EP2340643A2 (en)
JP (1) JP2012503258A (en)
KR (1) KR20110090898A (en)
CN (1) CN102217296A (en)
AU (1) AU2009293027A1 (en)
CA (1) CA2738009A1 (en)
GB (1) GB2476221A (en)
IL (1) IL211833A0 (en)
WO (1) WO2010033886A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI424606B (en) * 2010-03-04 2014-01-21 Jx Nippon Mining & Metals Corp A positive electrode active material for a lithium ion battery, a positive electrode for a lithium ion battery, and a lithium ion battery

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Also Published As

Publication number Publication date
GB2476221A (en) 2011-06-15
KR20110090898A (en) 2011-08-10
AU2009293027A1 (en) 2010-03-25
GB201106463D0 (en) 2011-06-01
US20090015697A1 (en) 2009-01-15
EP2340643A2 (en) 2011-07-06
US8059168B2 (en) 2011-11-15
IL211833A0 (en) 2011-06-30
CA2738009A1 (en) 2010-03-25
WO2010033886A2 (en) 2010-03-25
JP2012503258A (en) 2012-02-02
CN102217296A (en) 2011-10-12

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