HK1122887A1 - Means for using microstructure of materials surface as a unique identifier - Google Patents

Means for using microstructure of materials surface as a unique identifier

Info

Publication number
HK1122887A1
HK1122887A1 HK09102325.3A HK09102325A HK1122887A1 HK 1122887 A1 HK1122887 A1 HK 1122887A1 HK 09102325 A HK09102325 A HK 09102325A HK 1122887 A1 HK1122887 A1 HK 1122887A1
Authority
HK
Hong Kong
Prior art keywords
microstructure
unique identifier
materials surface
materials
identifier
Prior art date
Application number
HK09102325.3A
Other languages
English (en)
Chinese (zh)
Inventor
Frederic Jordan
Martin Kutter
Venuto Celine Di
Original Assignee
Alpvision S A
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 Alpvision S A filed Critical Alpvision S A
Publication of HK1122887A1 publication Critical patent/HK1122887A1/xx

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/121—Apparatus characterised by sensor details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/242—Aligning, centring, orientation detection or correction of the image by image rotation, e.g. by 90 degrees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/80—Recognising image objects characterised by unique random patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/24—Character recognition characterised by the processing or recognition method
    • G06V30/248—Character recognition characterised by the processing or recognition method involving plural approaches, e.g. verification by template match; Resolving confusion among similar patterns, e.g. "O" versus "Q"
    • G06V30/2504—Coarse or fine approaches, e.g. resolution of ambiguities or multiscale approaches
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Collating Specific Patterns (AREA)
HK09102325.3A 2005-09-05 2009-03-11 Means for using microstructure of materials surface as a unique identifier HK1122887A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05108123 2005-09-05
PCT/EP2006/066043 WO2007028799A1 (en) 2005-09-05 2006-09-05 Means for using microstructure of materials surface as a unique identifier

Publications (1)

Publication Number Publication Date
HK1122887A1 true HK1122887A1 (en) 2009-05-29

Family

ID=37533241

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09102325.3A HK1122887A1 (en) 2005-09-05 2009-03-11 Means for using microstructure of materials surface as a unique identifier

Country Status (6)

Country Link
US (1) US8180174B2 (xx)
EP (3) EP2024899B1 (xx)
DK (1) DK2024899T3 (xx)
ES (1) ES2561058T3 (xx)
HK (1) HK1122887A1 (xx)
WO (1) WO2007028799A1 (xx)

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Also Published As

Publication number Publication date
EP2024899B1 (en) 2015-11-04
EP2960830B1 (en) 2018-07-04
EP2024899A1 (en) 2009-02-18
WO2007028799A1 (en) 2007-03-15
ES2561058T3 (es) 2016-02-24
DK2024899T3 (en) 2016-02-15
US8180174B2 (en) 2012-05-15
EP2960830A1 (en) 2015-12-30
EP3399462A1 (en) 2018-11-07
US20080219503A1 (en) 2008-09-11

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