AU2001285291A1 - Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks - Google Patents
Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarksInfo
- Publication number
- AU2001285291A1 AU2001285291A1 AU2001285291A AU8529101A AU2001285291A1 AU 2001285291 A1 AU2001285291 A1 AU 2001285291A1 AU 2001285291 A AU2001285291 A AU 2001285291A AU 8529101 A AU8529101 A AU 8529101A AU 2001285291 A1 AU2001285291 A1 AU 2001285291A1
- Authority
- AU
- Australia
- Prior art keywords
- watermarking
- hashes
- recursive
- frequency domain
- based feature
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
- H04N1/3217—Transform domain methods using wavelet transforms
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
- H04N1/32187—Transform domain methods with selective or adaptive application of the additional information, e.g. in selected frequency coefficients
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32267—Methods relating to embedding, encoding, decoding, detection or retrieval operations combined with processing of the image
- H04N1/32283—Hashing
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/3232—Robust embedding or watermarking
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32331—Fragile embedding or watermarking
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32352—Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2201/00—General purpose image data processing
- G06T2201/005—Image watermarking
- G06T2201/0052—Embedding of the watermark in the frequency domain
-
- 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
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
-
- 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
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
- H04N2201/3236—Details of authentication information generation
-
- 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
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
- H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
-
- 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
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/328—Processing of the additional information
-
- 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
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/328—Processing of the additional information
- H04N2201/3284—Processing of the additional information for error correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/645,779 US6714683B1 (en) | 2000-08-24 | 2000-08-24 | Wavelet based feature modulation watermarks and related applications |
US09645779 | 2000-08-24 | ||
US09689293 | 2000-10-11 | ||
US09/689,293 US6683966B1 (en) | 2000-08-24 | 2000-10-11 | Watermarking recursive hashes into frequency domain regions |
PCT/US2001/026617 WO2002017214A2 (en) | 2000-08-24 | 2001-08-23 | Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001285291A1 true AU2001285291A1 (en) | 2002-03-04 |
Family
ID=27094776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001285291A Abandoned AU2001285291A1 (en) | 2000-08-24 | 2001-08-23 | Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks |
Country Status (3)
Country | Link |
---|---|
US (2) | US7181042B2 (en) |
AU (1) | AU2001285291A1 (en) |
WO (1) | WO2002017214A2 (en) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7313251B2 (en) | 1993-11-18 | 2007-12-25 | Digimarc Corporation | Method and system for managing and controlling electronic media |
US6546112B1 (en) * | 1993-11-18 | 2003-04-08 | Digimarc Corporation | Security document with steganographically-encoded authentication data |
US7724920B2 (en) | 1995-05-08 | 2010-05-25 | Digimarc Corporation | Digital authentication with analog documents |
US7555139B2 (en) * | 1995-05-08 | 2009-06-30 | Digimarc Corporation | Secure documents with hidden signals, and related methods and systems |
US6590996B1 (en) * | 2000-02-14 | 2003-07-08 | Digimarc Corporation | Color adaptive watermarking |
WO2002017214A2 (en) * | 2000-08-24 | 2002-02-28 | Digimarc Corporation | Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks |
EP1215880A3 (en) * | 2000-12-07 | 2003-08-13 | Sony United Kingdom Limited | Embedding data in material |
FR2819331B1 (en) * | 2001-01-10 | 2003-03-28 | Canon Kk | PROCESS AND DEVICE FOR PROCESSING AND MARKING A SET OF COEFFICIENTS REPRESENTATIVE OF A DIGITAL IMAGE |
KR100400582B1 (en) * | 2001-01-12 | 2003-10-08 | 주식회사 마크애니 | Apparatus and method for issuing, authenticating securities et al. using digital watermarking |
US8543823B2 (en) * | 2001-04-30 | 2013-09-24 | Digimarc Corporation | Digital watermarking for identification documents |
US7958359B2 (en) * | 2001-04-30 | 2011-06-07 | Digimarc Corporation | Access control systems |
US7502937B2 (en) * | 2001-04-30 | 2009-03-10 | Digimarc Corporation | Digital watermarking security systems |
ATE509326T1 (en) | 2001-12-18 | 2011-05-15 | L 1 Secure Credentialing Inc | MULTIPLE IMAGE SECURITY FEATURES FOR IDENTIFYING DOCUMENTS AND METHOD FOR PRODUCING THEM |
US7728048B2 (en) | 2002-12-20 | 2010-06-01 | L-1 Secure Credentialing, Inc. | Increasing thermal conductivity of host polymer used with laser engraving methods and compositions |
AU2003203489B2 (en) * | 2002-03-28 | 2005-11-17 | Canon Kabushiki Kaisha | Local Phase Filter to Assist Correlation |
AUPS139902A0 (en) | 2002-03-28 | 2002-05-09 | Canon Kabushiki Kaisha | Local phase filter to assist correlation |
US7824029B2 (en) | 2002-05-10 | 2010-11-02 | L-1 Secure Credentialing, Inc. | Identification card printer-assembler for over the counter card issuing |
EP1388813A2 (en) * | 2002-08-09 | 2004-02-11 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for image watermarking |
MXPA05003984A (en) * | 2002-10-15 | 2005-06-22 | Digimarc Corp | Identification document and related methods. |
AU2003234420A1 (en) * | 2002-12-27 | 2004-07-29 | Nielsen Media Research, Inc. | Methods and apparatus for transcoding metadata |
JP2006522498A (en) * | 2003-04-04 | 2006-09-28 | データマーク テクノロジーズ プライベート リミテッド | Watering method and equipment |
CA2522551C (en) | 2003-04-16 | 2009-12-22 | Digimarc Corporation | Three dimensional data storage |
US7460684B2 (en) | 2003-06-13 | 2008-12-02 | Nielsen Media Research, Inc. | Method and apparatus for embedding watermarks |
AU2003279935A1 (en) | 2003-08-29 | 2005-04-14 | Nielsen Media Research, Inc. | Methods and apparatus for embedding and recovering an image for use with video content |
US8438395B2 (en) * | 2003-09-18 | 2013-05-07 | Digimarc Corporation | Digitally watermarking documents associated with vehicles |
EP1700266A4 (en) * | 2003-12-19 | 2010-01-20 | Creative Tech Ltd | Method and system to process a digital image |
ATE485672T1 (en) | 2003-12-19 | 2010-11-15 | Creative Tech Ltd | DIGITAL STILL CAMERA WITH AUDIO DECODING AND ENCODING, A PRINTABLE AUDIO FORMAT AND METHOD |
TWI228376B (en) * | 2003-12-23 | 2005-02-21 | Ind Tech Res Inst | Watermark encoding method and recording medium thereof |
CA2572622A1 (en) | 2004-07-02 | 2006-02-09 | Nielsen Media Research, Inc. | Methods and apparatus for mixing compressed digital bit streams |
JP2006121655A (en) * | 2004-09-24 | 2006-05-11 | Ricoh Co Ltd | Apparatus and method for detecting alteration, and program for computer to implement the method |
CN101310301A (en) * | 2005-11-17 | 2008-11-19 | 皇家飞利浦电子股份有限公司 | Perpetual masking for secure watermark embedding |
FR2896938A1 (en) * | 2006-01-27 | 2007-08-03 | Nextamp Sa | METHOD FOR TATOOTING DIGITAL DATA |
US20070282750A1 (en) * | 2006-05-31 | 2007-12-06 | Homiller Daniel P | Distributing quasi-unique codes through a broadcast medium |
WO2008045950A2 (en) | 2006-10-11 | 2008-04-17 | Nielsen Media Research, Inc. | Methods and apparatus for embedding codes in compressed audio data streams |
CA2627672A1 (en) * | 2007-10-25 | 2009-04-25 | Her Majesty The Queen In Right Of Canada As Represented By The Solicitor Or General Of Canada, Royal Canadian Mounted Police | Method and device for verifying integrity of data acquisition pathways |
WO2009101491A2 (en) * | 2007-12-28 | 2009-08-20 | France Telecom | Scalable encoding method and system |
DE102008014409A1 (en) * | 2008-03-14 | 2009-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Embedder for embedding a watermark in an information representation, detector for detecting a watermark in an information representation, method and computer program |
DE102008014311A1 (en) | 2008-03-14 | 2009-09-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An embedder for embedding a watermark in an information representation, a detector for detecting a watermark in an information representation, method, computer program and information signal |
US9117268B2 (en) * | 2008-12-17 | 2015-08-25 | Digimarc Corporation | Out of phase digital watermarking in two chrominance directions |
US8199969B2 (en) | 2008-12-17 | 2012-06-12 | Digimarc Corporation | Out of phase digital watermarking in two chrominance directions |
US8953848B2 (en) | 2009-07-17 | 2015-02-10 | University Of Maryland, College Park | Method and apparatus for authenticating biometric scanners |
US8577091B2 (en) * | 2009-07-17 | 2013-11-05 | The University Of Maryland | Method and apparatus for authenticating biometric scanners |
MX2012001852A (en) | 2009-08-11 | 2012-03-07 | Kba Notasys Sa | Authentication of security documents, in particular of banknotes. |
CN101699508B (en) * | 2009-09-03 | 2012-01-11 | 中兴通讯股份有限公司 | Image digital watermark embedding and extracting method and system |
US10664940B2 (en) | 2010-03-05 | 2020-05-26 | Digimarc Corporation | Signal encoding to reduce perceptibility of changes over time |
US8971567B2 (en) | 2010-03-05 | 2015-03-03 | Digimarc Corporation | Reducing watermark perceptibility and extending detection distortion tolerances |
US8477990B2 (en) | 2010-03-05 | 2013-07-02 | Digimarc Corporation | Reducing watermark perceptibility and extending detection distortion tolerances |
US8942430B2 (en) | 2010-07-19 | 2015-01-27 | The University Of Maryland, College Park | Method and apparatus for authenticating area biometric scanners |
CN102129657A (en) * | 2011-02-28 | 2011-07-20 | 海南大学 | Method for embedding multiple watermarks in volume data based on three-dimensional DFT (Delayed-First-Transmission) |
US9380356B2 (en) | 2011-04-12 | 2016-06-28 | The Nielsen Company (Us), Llc | Methods and apparatus to generate a tag for media content |
US9210208B2 (en) | 2011-06-21 | 2015-12-08 | The Nielsen Company (Us), Llc | Monitoring streaming media content |
US9209978B2 (en) | 2012-05-15 | 2015-12-08 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
CN102510521A (en) * | 2011-09-13 | 2012-06-20 | 海南大学 | Method for embedding multiple robust watermarks in video based on three-dimensional Discrete Fourier Transformation (DFT) |
US9269362B2 (en) * | 2012-06-27 | 2016-02-23 | Tata Consultancy Services Ltd. | Method and system for blind audio watermarking |
KR20140081505A (en) * | 2012-12-21 | 2014-07-01 | 삼성전자주식회사 | Method for embedding message into image and apparatus thereof |
US9313544B2 (en) | 2013-02-14 | 2016-04-12 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
CN105745597B (en) | 2013-09-20 | 2019-07-16 | 惠普发展公司,有限责任合伙企业 | Data-carrying medium |
US9762965B2 (en) | 2015-05-29 | 2017-09-12 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
US9858495B2 (en) * | 2015-06-23 | 2018-01-02 | Hong Kong Applied Science And Technology Research | Wavelet-based image decolorization and enhancement |
US10469486B2 (en) | 2016-04-08 | 2019-11-05 | University Of Maryland | Method and apparatus for authenticating device and for sending/receiving encrypted information |
US9934434B2 (en) * | 2016-06-30 | 2018-04-03 | Honeywell International Inc. | Determining image forensics using an estimated camera response function |
KR102099600B1 (en) * | 2018-09-07 | 2020-05-15 | 동명대학교산학협력단 | Inserting watermark Method of medical image |
US10824917B2 (en) | 2018-12-03 | 2020-11-03 | Bank Of America Corporation | Transformation of electronic documents by low-resolution intelligent up-sampling |
CN113574837A (en) * | 2019-03-12 | 2021-10-29 | 思杰系统有限公司 | Tracking image senders on client devices |
WO2019141292A2 (en) | 2019-05-20 | 2019-07-25 | Alibaba Group Holding Limited | Identifying copyrighted material using embedded copyright information |
SG11202002700PA (en) | 2019-05-20 | 2020-04-29 | Alibaba Group Holding Ltd | Copyright protection based on hidden copyright information |
WO2019141293A2 (en) | 2019-05-20 | 2019-07-25 | Alibaba Group Holding Limited | Identifying copyrighted material using embedded copyright information |
SG11202002748XA (en) | 2019-05-20 | 2020-04-29 | Alibaba Group Holding Ltd | Identifying copyrighted material using embedded copyright information |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5721788A (en) * | 1992-07-31 | 1998-02-24 | Corbis Corporation | Method and system for digital image signatures |
US6292092B1 (en) | 1993-02-19 | 2001-09-18 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communication | Secure personal identification instrument and method for creating same |
US5652626A (en) | 1993-09-03 | 1997-07-29 | Kabushiki Kaisha Toshiba | Image processing apparatus using pattern generating circuits to process a color image |
US5505494B1 (en) | 1993-09-17 | 1998-09-29 | Bell Data Software Corp | System for producing a personal id card |
US5862260A (en) | 1993-11-18 | 1999-01-19 | Digimarc Corporation | Methods for surveying dissemination of proprietary empirical data |
US6122403A (en) | 1995-07-27 | 2000-09-19 | Digimarc Corporation | Computer system linked by using information in data objects |
US5636292C1 (en) | 1995-05-08 | 2002-06-18 | Digimarc Corp | Steganography methods employing embedded calibration data |
US6546112B1 (en) * | 1993-11-18 | 2003-04-08 | Digimarc Corporation | Security document with steganographically-encoded authentication data |
ES2105936B1 (en) | 1994-03-21 | 1998-06-01 | I D Tec S L | IMPROVEMENTS INTRODUCED IN INVENTION PATENT N. P-9400595/8 BY: BIOMETRIC PROCEDURE FOR SECURITY AND IDENTIFICATION AND CREDIT CARDS, VISAS, PASSPORTS AND FACIAL RECOGNITION. |
US5493677A (en) | 1994-06-08 | 1996-02-20 | Systems Research & Applications Corporation | Generation, archiving, and retrieval of digital images with evoked suggestion-set captions and natural language interface |
US5646997A (en) * | 1994-12-14 | 1997-07-08 | Barton; James M. | Method and apparatus for embedding authentication information within digital data |
US5943422A (en) | 1996-08-12 | 1999-08-24 | Intertrust Technologies Corp. | Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
US5799092A (en) | 1995-02-28 | 1998-08-25 | Lucent Technologies Inc. | Self-verifying identification card |
KR100449354B1 (en) | 1996-07-16 | 2005-08-17 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Method and apparatus for detecting watermark embedded in information signal |
US6226387B1 (en) | 1996-08-30 | 2001-05-01 | Regents Of The University Of Minnesota | Method and apparatus for scene-based video watermarking |
US5825892A (en) | 1996-10-28 | 1998-10-20 | International Business Machines Corporation | Protecting images with an image watermark |
EP0851397B1 (en) | 1996-11-28 | 2008-10-01 | Nec Corporation | Card type recording medium, certifying method and apparatus for the recording medium, forming system for recording medium, enciphering system, decoder therefor, and recording medium |
JP3154325B2 (en) | 1996-11-28 | 2001-04-09 | 日本アイ・ビー・エム株式会社 | System for hiding authentication information in images and image authentication system |
US5835639A (en) | 1996-12-18 | 1998-11-10 | Eastman Kodak Company | Method for detecting rotation and magnification in images |
JPH1132200A (en) * | 1997-07-09 | 1999-02-02 | Matsushita Electric Ind Co Ltd | Watermark data insertion method and watermark data detection method |
US6101602A (en) | 1997-12-08 | 2000-08-08 | The United States Of America As Represented By The Secretary Of The Air Force | Digital watermarking by adding random, smooth patterns |
US6332030B1 (en) | 1998-01-15 | 2001-12-18 | The Regents Of The University Of California | Method for embedding and extracting digital data in images and video |
BR9907105A (en) | 1998-01-20 | 2002-04-30 | Digimarc Corp | Multiple watermark techniques |
US6064764A (en) | 1998-03-30 | 2000-05-16 | Seiko Epson Corporation | Fragile watermarks for detecting tampering in images |
US6243480B1 (en) | 1998-04-30 | 2001-06-05 | Jian Zhao | Digital authentication with analog documents |
US6487301B1 (en) * | 1998-04-30 | 2002-11-26 | Mediasec Technologies Llc | Digital authentication with digital and analog documents |
US6504941B2 (en) | 1998-04-30 | 2003-01-07 | Hewlett-Packard Company | Method and apparatus for digital watermarking of images |
US6275599B1 (en) | 1998-08-28 | 2001-08-14 | International Business Machines Corporation | Compressed image authentication and verification |
US6285775B1 (en) | 1998-10-01 | 2001-09-04 | The Trustees Of The University Of Princeton | Watermarking scheme for image authentication |
WO2000033282A1 (en) | 1998-11-30 | 2000-06-08 | Signafy, Inc. | Combining multiple messages with different characteristics for watermarking |
US6321981B1 (en) | 1998-12-22 | 2001-11-27 | Eastman Kodak Company | Method and apparatus for transaction card security utilizing embedded image data |
WO2000039953A1 (en) | 1998-12-23 | 2000-07-06 | Kent Ridge Digital Labs | Method and apparatus for protecting the legitimacy of an article |
US6785815B1 (en) | 1999-06-08 | 2004-08-31 | Intertrust Technologies Corp. | Methods and systems for encoding and protecting data using digital signature and watermarking techniques |
US6385329B1 (en) | 2000-02-14 | 2002-05-07 | Digimarc Corporation | Wavelet domain watermarks |
WO2002017214A2 (en) * | 2000-08-24 | 2002-02-28 | Digimarc Corporation | Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks |
US6714683B1 (en) * | 2000-08-24 | 2004-03-30 | Digimarc Corporation | Wavelet based feature modulation watermarks and related applications |
US7127615B2 (en) | 2000-09-20 | 2006-10-24 | Blue Spike, Inc. | Security based on subliminal and supraliminal channels for data objects |
-
2001
- 2001-08-23 WO PCT/US2001/026617 patent/WO2002017214A2/en active Application Filing
- 2001-08-23 AU AU2001285291A patent/AU2001285291A1/en not_active Abandoned
-
2003
- 2003-10-09 US US10/683,560 patent/US7181042B2/en not_active Expired - Lifetime
-
2007
- 2007-02-15 US US11/675,505 patent/US20070196024A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20040264732A1 (en) | 2004-12-30 |
US7181042B2 (en) | 2007-02-20 |
WO2002017214A2 (en) | 2002-02-28 |
WO2002017214A3 (en) | 2002-05-30 |
US20070196024A1 (en) | 2007-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2001285291A1 (en) | Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks | |
AU2002222973A1 (en) | Wavelet domain watermarks | |
AU2001255445A1 (en) | Authentication of physical and electronic media objects using digital watermarks | |
AU2001240105A1 (en) | Digital watermark screening and detection strategies | |
AU2001292659A1 (en) | Time and object based masking for video watermarking | |
AU2001277229A1 (en) | Systems and methods for etching digital watermarks | |
AU2000260104A1 (en) | Method for adaptive digital watermarking robust against geometric transforms | |
AU2002230484A1 (en) | System and method of managing documents | |
GB2353168B (en) | Digital watermarking and banknotes | |
EP1349148A4 (en) | Noise removing method and device | |
EP1136946A3 (en) | Electronic watermark data insertion apparatus and electronic watermark data detection apparatus | |
AU2001251207A1 (en) | Eggshell waste processing method and device | |
AU2001264617A1 (en) | Real time electronic registration of scanned documents | |
AU2001262748A1 (en) | Frequency interpolating device and frequency interpolating method | |
AU2001232647A1 (en) | Methods and devices for treating stuttering problems | |
HUP0402123A1 (en) | Paper including watermarks and/or embossings | |
AU7454200A (en) | Internet phone switching method and internet phone switching system | |
AU2001279197A1 (en) | Expandable graphite and method | |
AU2001236601A1 (en) | Methods and devices for remediation and fermentation | |
AU2001231155A1 (en) | Microbes and methods for remediation | |
AU2001298093A1 (en) | Fuel additive and method therefor | |
IL140916A0 (en) | EFFICIENT METHOD FOR COMPUTATION AND TRANSMISSION OF BiGi | |
AU2001289830A1 (en) | Method for artwork and digital information management | |
GB2372166B (en) | Edge achromatization circuit and method | |
AU2002322856A1 (en) | Power backoff method and system for g.shdsl modem using frequency domain geometric signal to noise ratio |