PL2724331T3 - Kodowanie ukrytej informacji w częstotliwościach przestrzennych linii - Google Patents

Kodowanie ukrytej informacji w częstotliwościach przestrzennych linii

Info

Publication number
PL2724331T3
PL2724331T3 PL11868845T PL11868845T PL2724331T3 PL 2724331 T3 PL2724331 T3 PL 2724331T3 PL 11868845 T PL11868845 T PL 11868845T PL 11868845 T PL11868845 T PL 11868845T PL 2724331 T3 PL2724331 T3 PL 2724331T3
Authority
PL
Poland
Prior art keywords
hidden information
line frequencies
spatial line
encoding hidden
encoding
Prior art date
Application number
PL11868845T
Other languages
English (en)
Inventor
Silviu Crisan
Marc Gaudreau
Tadeusz Piotr Rygas
Original Assignee
Canadian Bank Note Company, Limited
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 Canadian Bank Note Company, Limited filed Critical Canadian Bank Note Company, Limited
Publication of PL2724331T3 publication Critical patent/PL2724331T3/pl

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
PL11868845T 2011-06-27 2011-06-27 Kodowanie ukrytej informacji w częstotliwościach przestrzennych linii PL2724331T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11868845.6A EP2724331B1 (en) 2011-06-27 2011-06-27 Encoding hidden information in spatial line frequencies
PCT/CA2011/050390 WO2013000057A1 (en) 2011-06-27 2011-06-27 Encoding hidden information in spatial line frequencies

Publications (1)

Publication Number Publication Date
PL2724331T3 true PL2724331T3 (pl) 2021-06-28

Family

ID=47423319

Family Applications (1)

Application Number Title Priority Date Filing Date
PL11868845T PL2724331T3 (pl) 2011-06-27 2011-06-27 Kodowanie ukrytej informacji w częstotliwościach przestrzennych linii

Country Status (5)

Country Link
US (1) US9530172B2 (pl)
EP (1) EP2724331B1 (pl)
CA (1) CA2841146C (pl)
PL (1) PL2724331T3 (pl)
WO (1) WO2013000057A1 (pl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10115264B2 (en) 2014-05-26 2018-10-30 Lazlo 326, Llc Encrypted electronic gaming ticket
US10360395B2 (en) * 2014-11-28 2019-07-23 Fiske Software, Llc Hiding information in noise
US10620540B2 (en) 2016-11-07 2020-04-14 Mohammad Reza Mollazadeh Sardroudi Encoded illustrations
CN107609448B (zh) * 2017-08-28 2020-10-20 苏州佳世达电通有限公司 条码解码方法以及条码解码装置
EP4007888A4 (en) * 2019-08-04 2023-06-21 Neurophos LLC CALCULATION WITH OPTICAL METAMATERIALS
CN111028308B (zh) * 2019-11-19 2022-11-04 珠海涵辰科技有限公司 一种图像中信息的隐写及读取方法
TWI747210B (zh) * 2020-03-24 2021-11-21 中央印製廠 以漸變融合異質網點於同一階調組成防偽網點結構之方法
CN112132747B (zh) * 2020-09-21 2022-04-29 中国科学院大学 一种基于结构光超分辨图像重建的光学隐藏方法和系统
CN113704710B (zh) * 2021-08-27 2024-06-07 上海钧正网络科技有限公司 信息隐藏方法、装置及计算机存储介质
PL441418A1 (pl) * 2022-06-08 2023-12-11 Polska Wytwórnia Papierów Wartościowych Spółka Akcyjna Sposób zabezpieczania nośnika danych, sposób automatycznego progowania, element zabezpieczający oraz nośnik danych
CN116229928B (zh) * 2023-01-18 2025-07-15 上海圳呈微电子技术有限公司 掩盖噪音的方法和系统
CN116403098B (zh) * 2023-05-26 2023-08-08 四川金投科技股份有限公司 一种票据篡改检测方法及系统
LT7164B (lt) 2024-03-30 2025-11-10 Satoris, UAB Saugi duomenų laikmena ir saugios duomenų laikmenos gamybos būdas

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL192610C (nl) 1990-12-13 1997-11-04 Enschede & Zonen Grafisch Beelddrager en werkwijze voor het op een beelddrager drukken van een beeld.
US7113615B2 (en) * 1993-11-18 2006-09-26 Digimarc Corporation Watermark embedder and reader
US8144368B2 (en) * 1998-01-20 2012-03-27 Digimarc Coporation Automated methods for distinguishing copies from original printed objects
US6718046B2 (en) * 1995-05-08 2004-04-06 Digimarc Corporation Low visibility watermark using time decay fluorescence
US7654580B2 (en) * 1995-11-29 2010-02-02 Graphic Security Systems Corporation Self-authenticating documents with printed or embossed hidden images
US6226387B1 (en) * 1996-08-30 2001-05-01 Regents Of The University Of Minnesota Method and apparatus for scene-based video watermarking
US6104812A (en) 1998-01-12 2000-08-15 Juratrade, Limited Anti-counterfeiting method and apparatus using digital screening
US6212285B1 (en) * 1998-04-15 2001-04-03 Massachusetts Institute Of Technology Method and apparatus for multi-bit zoned data hiding in printed images
GB2345602A (en) 1999-01-07 2000-07-12 Hewlett Packard Co Applying digital watermarks to selected sections of data files
US7058199B1 (en) * 2000-08-14 2006-06-06 The Hong Kong University Of Science And Technology Methods and apparatus for hiding data in halftone images
JP2002232685A (ja) * 2001-01-31 2002-08-16 Canon Inc 電子透かし処理装置、情報処理装置、ディジタルコンテンツ配布システム、電子透かし挿入方法、及び記憶媒体
US8050452B2 (en) * 2001-03-22 2011-11-01 Digimarc Corporation Quantization-based data embedding in mapped data
AU2003285891A1 (en) * 2002-10-15 2004-05-04 Digimarc Corporation Identification document and related methods
US7421581B2 (en) * 2003-09-30 2008-09-02 Graphic Security Systems Corporation Method and system for controlling encoded image production
US7551752B2 (en) * 2004-04-26 2009-06-23 Graphic Security Systems Corporation Systems and methods for authenticating objects using multiple-level image encoding and decoding
US7512249B2 (en) * 2004-04-26 2009-03-31 Graphic Security Systems Corporation System and method for decoding digital encoded images
US7668334B2 (en) * 2004-07-02 2010-02-23 Digimarc Corp Conditioning imagery to better receive steganographic encoding
US20060140442A1 (en) * 2004-12-29 2006-06-29 Elrayess Asham Steganographic method
US7742619B2 (en) * 2005-12-21 2010-06-22 Texas Instruments Incorporated Image watermarking based on sequency and wavelet transforms
US20070217612A1 (en) * 2006-03-17 2007-09-20 Vincent So Method and system of key-coding a video
US7965861B2 (en) * 2006-04-26 2011-06-21 The Board Of Regents Of The University Of Texas System Methods and systems for digital image security
JP4777278B2 (ja) * 2007-02-28 2011-09-21 キヤノン株式会社 画像処理装置およびその方法
US8240797B2 (en) * 2009-12-18 2012-08-14 Pitney Bowes Inc. System and method for providing graphic security to a document at the time of printing
MX2013004043A (es) * 2010-10-11 2013-10-03 Graphic Security Systems Corp Metodo para construir una imagen compuesta incorporando una imagen de autenticacion oculta.
US8774451B2 (en) * 2011-04-28 2014-07-08 King Abdul Aziz City for Science and Technology (KACST) Method and apparatus for embedding a watermark image in a host image
WO2013067092A1 (en) * 2011-11-04 2013-05-10 Document Security Systems, Inc. System and method for dynamic generation of embedded security features in a document

Also Published As

Publication number Publication date
US9530172B2 (en) 2016-12-27
EP2724331A4 (en) 2015-07-15
EP2724331B1 (en) 2020-11-11
EP2724331A1 (en) 2014-04-30
US20140126766A1 (en) 2014-05-08
WO2013000057A1 (en) 2013-01-03
CA2841146A1 (en) 2013-01-03
CA2841146C (en) 2018-06-05

Similar Documents

Publication Publication Date Title
PL2724331T3 (pl) Kodowanie ukrytej informacji w częstotliwościach przestrzennych linii
GB2487644B (en) Improvements in magnetic couplings
EP2761409A4 (en) MAGNETIC PEN
GB201113556D0 (en) Data centre
GB201112665D0 (en) Data anonymisation
EP2693916A4 (en) CUSHION
EP2721531A4 (en) RECOMMENDATION OF DATA ENHANCEMENTS
GB201119687D0 (en) Data encoding and decoding
EP2786251A4 (en) ROLLING ACCESSIBILITY IN DATA CENTERS
ZA201402364B (en) Iron-based fischer-tropsch catalyst
ZA201400057B (en) Meter reading
EP2712348A4 (en) DISTRIBUTOR AND METHODS
GB201118169D0 (en) Beverage
EP2685340A4 (en) DATA LINE
PL2684181T3 (pl) Plakietka
EP2781088A4 (en) REDUCING THE DATA VOLUME IN A VIDEO CODING
GB201101938D0 (en) Beverage
GB201120363D0 (en) Data centre unit
GB201102647D0 (en) Pillow
GB2496423B (en) Data compression
GB2489696B (en) Improvements in tags
GB201310729D0 (en) Data Security
PL2538804T3 (pl) Napój
EP2786565A4 (en) PERCEPTUAL MULTIMEDIA CODING
GB201111026D0 (en) Box magnetic structure