CN121963170A - 增加设置在光学活性制品上的字符的相异性 - Google Patents

增加设置在光学活性制品上的字符的相异性

Info

Publication number
CN121963170A
CN121963170A CN202511945161.2A CN202511945161A CN121963170A CN 121963170 A CN121963170 A CN 121963170A CN 202511945161 A CN202511945161 A CN 202511945161A CN 121963170 A CN121963170 A CN 121963170A
Authority
CN
China
Prior art keywords
symbol
image
coding regions
examples
readable information
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.)
Pending
Application number
CN202511945161.2A
Other languages
English (en)
Chinese (zh)
Inventor
贾斯廷·M·约翰逊
詹姆斯·W·霍华德
托马斯·J·达林
詹姆斯·B·斯尼德尔
詹姆斯·L·C·小韦尔内斯
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN121963170A publication Critical patent/CN121963170A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/14—Image acquisition
    • G06V30/1429—Identifying or ignoring parts by sensing at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)
CN202511945161.2A 2015-08-21 2016-08-19 增加设置在光学活性制品上的字符的相异性 Pending CN121963170A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562207986P 2015-08-21 2015-08-21
US62/207,986 2015-08-21
US201662316827P 2016-04-01 2016-04-01
US62/316,827 2016-04-01
PCT/US2016/047745 WO2017034968A1 (en) 2015-08-21 2016-08-19 Increasing dissimilarity of characters disposed on an optically active article
CN201680048623.3A CN107924470A (zh) 2015-08-21 2016-08-19 增加设置在光学活性制品上的字符的相异性

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201680048623.3A Division CN107924470A (zh) 2015-08-21 2016-08-19 增加设置在光学活性制品上的字符的相异性

Publications (1)

Publication Number Publication Date
CN121963170A true CN121963170A (zh) 2026-05-01

Family

ID=56843043

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202511945161.2A Pending CN121963170A (zh) 2015-08-21 2016-08-19 增加设置在光学活性制品上的字符的相异性
CN201680048623.3A Pending CN107924470A (zh) 2015-08-21 2016-08-19 增加设置在光学活性制品上的字符的相异性

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201680048623.3A Pending CN107924470A (zh) 2015-08-21 2016-08-19 增加设置在光学活性制品上的字符的相异性

Country Status (5)

Country Link
US (1) US10706311B2 (https=)
EP (1) EP3338219A1 (https=)
JP (1) JP7018878B2 (https=)
CN (2) CN121963170A (https=)
WO (1) WO2017034968A1 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7140453B2 (ja) 2015-08-21 2022-09-21 スリーエム イノベイティブ プロパティズ カンパニー 光学活性物品上に配置された記号内へのデータのエンコード
US10706311B2 (en) * 2015-08-21 2020-07-07 3M Innovative Properties Company Increasing dissimilarity of characters disposed on an optically active article
KR102378907B1 (ko) 2016-05-13 2022-03-25 쓰리엠 이노베이티브 프로퍼티즈 캄파니 보안 요소를 이용한 광학 활성 물품의 위조 검출
EP3583450A1 (en) 2017-02-20 2019-12-25 3M Innovative Properties Company Optical articles and systems interacting with the same
US10878186B1 (en) * 2017-09-18 2020-12-29 University Of South Florida Content masking attacks against information-based services and defenses thereto
KR20200061370A (ko) 2017-09-27 2020-06-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 장비 및 안전 모니터링을 위하여 광학 패턴들을 이용하는 개인 보호 장비 관리 시스템
EP3732512A4 (en) 2017-12-29 2021-09-08 3M Innovative Properties Company STRUCTURED RECTRO-REFLECTIVE OBJECT WITH ALIGNED SYMBOLS
WO2019147673A1 (en) * 2018-01-25 2019-08-01 Quantronix, Inc. Illuminated markers for vehicle identification and monitoring and related systems and methods
WO2020071286A1 (ja) * 2018-10-03 2020-04-09 パナソニックＩｐマネジメント株式会社 入力装置、入力方法および入力システム
WO2020217220A1 (en) 2019-04-25 2020-10-29 3M Innovative Properties Company Retroreflective article comprising multiple locally-laminated layers
DE102020124060A1 (de) * 2020-09-15 2022-03-17 Erich Utsch Ag Verfahren zur Feststellung einer Manipulation oder Fälschung eines Gegenstands sowie System hierzu
CN113076943A (zh) * 2021-02-23 2021-07-06 海南快停科技有限公司 一种基于车牌特征识别的摄像功能
CN115830606B (zh) * 2021-09-17 2026-03-20 鸿海精密工业股份有限公司 文字瑕疵检测方法、计算机装置及存储介质
CN114743197B (zh) * 2022-03-29 2025-07-11 宜宾五粮液股份有限公司 复合材料的表面字符识别方法
WO2025133422A1 (es) * 2023-12-21 2025-06-26 Universidad De Alicante Dispositivo y método de reconocimiento de matrículas persas en movimiento

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57204096A (en) * 1981-06-09 1982-12-14 Nippon Electric Co Work recognizer
IE902400A1 (en) * 1989-08-03 1991-02-13 Minnesota Mining & Mfg Retroreflective vehicle identififcation articles having¹improved machine legibility
US6832728B2 (en) 2001-03-26 2004-12-21 Pips Technology, Inc. Remote indicia reading system
US7387393B2 (en) 2005-12-19 2008-06-17 Palo Alto Research Center Incorporated Methods for producing low-visibility retroreflective visual tags
US8194914B1 (en) 2006-10-19 2012-06-05 Spyder Lynk, Llc Encoding and decoding data into an image using identifiable marks and encoded elements
GB0714141D0 (en) 2007-07-19 2007-08-29 Rue De Int Ltd security device
PT103960B (pt) * 2008-02-07 2010-05-10 Brisa Auto Estradas De Portuga Sistema reconhecimento automático de matrículas integrado num sistema de cobranças electrónica de portagens
US8865293B2 (en) 2008-12-15 2014-10-21 3M Innovative Properties Company Optically active materials and articles and systems in which they may be used
US20110084126A1 (en) 2009-10-08 2011-04-14 3M Innovative Properties Company Methods and systems for enhancing read accuracy in automated license plate reader systems
CN102686407B (zh) 2009-10-08 2015-07-08 3M创新有限公司 高对比度逆向反射片材和车牌
US8704889B2 (en) * 2010-03-16 2014-04-22 Hi-Tech Solutions Ltd. Method and apparatus for acquiring images of car license plates
EP2558290B1 (en) * 2010-04-15 2019-01-23 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US9483677B2 (en) * 2010-09-20 2016-11-01 Hid Global Corporation Machine-readable symbols
CN102156862B (zh) * 2011-05-06 2014-01-01 杨星 一种反遮改车牌识别系统及识别方法
DE102011053052B3 (de) * 2011-08-26 2013-02-28 Jenoptik Robot Gmbh Verfahren und Vorrichtung zur Identifikation von Kraftfahrzeugen zur Verkehrsüberwachung
CA2868831A1 (en) 2012-03-30 2013-10-03 3M Innovative Properties Company Retroreflective articles having a machine-readable code
JP2014024537A (ja) * 2012-06-19 2014-02-06 3M Innovative Properties Co ナンバープレート用シート、ナンバープレート用積層体、ナンバープレートおよびナンバープレート用装飾部材
US9002066B2 (en) 2013-05-06 2015-04-07 Xerox Corporation Methods, systems and processor-readable media for designing a license plate overlay decal having infrared annotation marks
US9384423B2 (en) * 2013-05-28 2016-07-05 Xerox Corporation System and method for OCR output verification
TW201541371A (zh) 2014-03-25 2015-11-01 3M Innovative Properties Co 能夠在alpr系統中使用之物件
EP3317624B1 (en) * 2015-07-05 2019-08-07 The Whollysee Ltd. Optical identification and characterization system and tags
US10706311B2 (en) * 2015-08-21 2020-07-07 3M Innovative Properties Company Increasing dissimilarity of characters disposed on an optically active article
CN107011760B (zh) 2016-01-28 2021-07-23 3M中国有限公司 用于减反射涂层的涂料组合物及制法和由其制得的减反射膜
US10019640B2 (en) * 2016-06-24 2018-07-10 Accenture Global Solutions Limited Intelligent automatic license plate recognition for electronic tolling environments
US10296794B2 (en) * 2016-12-20 2019-05-21 Jayant Rtti On-demand artificial intelligence and roadway stewardship system

Also Published As

Publication number Publication date
CN107924470A (zh) 2018-04-17
JP7018878B2 (ja) 2022-02-14
EP3338219A1 (en) 2018-06-27
US10706311B2 (en) 2020-07-07
WO2017034968A1 (en) 2017-03-02
JP2018530086A (ja) 2018-10-11
US20180239981A1 (en) 2018-08-23

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