CA2304041A1 - Procede de traitement d'image facilitant la protection contre la copie - Google Patents

Procede de traitement d'image facilitant la protection contre la copie Download PDF

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Publication number
CA2304041A1
CA2304041A1 CA002304041A CA2304041A CA2304041A1 CA 2304041 A1 CA2304041 A1 CA 2304041A1 CA 002304041 A CA002304041 A CA 002304041A CA 2304041 A CA2304041 A CA 2304041A CA 2304041 A1 CA2304041 A1 CA 2304041A1
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CA
Canada
Prior art keywords
work
copy protection
string
image processing
algorithm
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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.)
Granted
Application number
CA002304041A
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English (en)
Other versions
CA2304041C (fr
Inventor
F. Thomson Leighton
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Publication of CA2304041A1 publication Critical patent/CA2304041A1/fr
Application granted granted Critical
Publication of CA2304041C publication Critical patent/CA2304041C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0078—Robust watermarking, e.g. average attack or collusion attack resistant using multiple thresholds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Editing Of Facsimile Originals (AREA)
CA002304041A 1998-07-17 1999-07-19 Procede de traitement d'image facilitant la protection contre la copie Expired - Lifetime CA2304041C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12002398A 1998-07-17 1998-07-17
US09/120,023 1998-07-17
PCT/US1999/016515 WO2000004422A2 (fr) 1998-07-17 1999-07-19 Procede de traitement d'image facilitant la protection contre la copie

Publications (2)

Publication Number Publication Date
CA2304041A1 true CA2304041A1 (fr) 2000-01-27
CA2304041C CA2304041C (fr) 2004-06-01

Family

ID=22387830

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002304041A Expired - Lifetime CA2304041C (fr) 1998-07-17 1999-07-19 Procede de traitement d'image facilitant la protection contre la copie

Country Status (3)

Country Link
AU (1) AU5318999A (fr)
CA (1) CA2304041C (fr)
WO (1) WO2000004422A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108205810A (zh) * 2016-12-16 2018-06-26 富士通株式会社 图像比较装置及方法、电子设备

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US7146354B1 (en) 1999-06-18 2006-12-05 F5 Networks, Inc. Method and system for network load balancing with a compound data structure
US6405219B2 (en) 1999-06-22 2002-06-11 F5 Networks, Inc. Method and system for automatically updating the version of a set of files stored on content servers
US6374300B2 (en) 1999-07-15 2002-04-16 F5 Networks, Inc. Method and system for storing load balancing information with an HTTP cookie
US7441045B2 (en) 1999-12-13 2008-10-21 F5 Networks, Inc. Method and system for balancing load distribution on a wide area network
US7047301B2 (en) 2000-01-31 2006-05-16 F5 Networks, Inc. Method and system for enabling persistent access to virtual servers by an LDNS server
US7343413B2 (en) 2000-03-21 2008-03-11 F5 Networks, Inc. Method and system for optimizing a network by independently scaling control segments and data flow
US8380854B2 (en) 2000-03-21 2013-02-19 F5 Networks, Inc. Simplified method for processing multiple connections from the same client
US7430755B1 (en) 2002-09-03 2008-09-30 Fs Networks, Inc. Method and system for providing persistence in a secure network access
JP2006025129A (ja) * 2004-07-07 2006-01-26 Canon Inc 画像処理システム及び画像処理方法
EP1884059A2 (fr) * 2005-05-13 2008-02-06 Temple University of the Commonwealth System of Higher Education Technique de partage de secrets avec faible contenu d'information de service
US7975025B1 (en) 2008-07-08 2011-07-05 F5 Networks, Inc. Smart prefetching of data over a network
US10157280B2 (en) 2009-09-23 2018-12-18 F5 Networks, Inc. System and method for identifying security breach attempts of a website
US10721269B1 (en) 2009-11-06 2020-07-21 F5 Networks, Inc. Methods and system for returning requests with javascript for clients before passing a request to a server
US9313047B2 (en) 2009-11-06 2016-04-12 F5 Networks, Inc. Handling high throughput and low latency network data packets in a traffic management device
US8868961B1 (en) 2009-11-06 2014-10-21 F5 Networks, Inc. Methods for acquiring hyper transport timing and devices thereof
US9141625B1 (en) 2010-06-22 2015-09-22 F5 Networks, Inc. Methods for preserving flow state during virtual machine migration and devices thereof
US10015286B1 (en) 2010-06-23 2018-07-03 F5 Networks, Inc. System and method for proxying HTTP single sign on across network domains
US8908545B1 (en) 2010-07-08 2014-12-09 F5 Networks, Inc. System and method for handling TCP performance in network access with driver initiated application tunnel
US8347100B1 (en) 2010-07-14 2013-01-01 F5 Networks, Inc. Methods for DNSSEC proxying and deployment amelioration and systems thereof
US9083760B1 (en) 2010-08-09 2015-07-14 F5 Networks, Inc. Dynamic cloning and reservation of detached idle connections
US8886981B1 (en) 2010-09-15 2014-11-11 F5 Networks, Inc. Systems and methods for idle driven scheduling
US9554276B2 (en) 2010-10-29 2017-01-24 F5 Networks, Inc. System and method for on the fly protocol conversion in obtaining policy enforcement information
US8959571B2 (en) 2010-10-29 2015-02-17 F5 Networks, Inc. Automated policy builder
US10135831B2 (en) 2011-01-28 2018-11-20 F5 Networks, Inc. System and method for combining an access control system with a traffic management system
US9246819B1 (en) 2011-06-20 2016-01-26 F5 Networks, Inc. System and method for performing message-based load balancing
US9270766B2 (en) 2011-12-30 2016-02-23 F5 Networks, Inc. Methods for identifying network traffic characteristics to correlate and manage one or more subsequent flows and devices thereof
US10230566B1 (en) 2012-02-17 2019-03-12 F5 Networks, Inc. Methods for dynamically constructing a service principal name and devices thereof
US9172753B1 (en) 2012-02-20 2015-10-27 F5 Networks, Inc. Methods for optimizing HTTP header based authentication and devices thereof
US9231879B1 (en) 2012-02-20 2016-01-05 F5 Networks, Inc. Methods for policy-based network traffic queue management and devices thereof
EP2853074B1 (fr) 2012-04-27 2021-03-24 F5 Networks, Inc Procédés destinés à optimiser un service de demandes de contenu, et dispositifs associés
US9525632B1 (en) 2012-05-01 2016-12-20 F5 Networks, Inc. Minimize recycle SYN issues for split TCP hot flows to improve system reliability and performance
US9338095B2 (en) 2012-05-01 2016-05-10 F5 Networks, Inc. Data flow segment optimized for hot flows
US9154423B1 (en) 2012-05-01 2015-10-06 F5 Networks, Inc. Minimize SYN-flood issues with flow cache while maintaining performance
US9203771B1 (en) 2012-07-23 2015-12-01 F5 Networks, Inc. Hot service flow hardware offloads based on service priority and resource usage
US10375155B1 (en) 2013-02-19 2019-08-06 F5 Networks, Inc. System and method for achieving hardware acceleration for asymmetric flow connections
US10187317B1 (en) 2013-11-15 2019-01-22 F5 Networks, Inc. Methods for traffic rate control and devices thereof
US10015143B1 (en) 2014-06-05 2018-07-03 F5 Networks, Inc. Methods for securing one or more license entitlement grants and devices thereof
US11838851B1 (en) 2014-07-15 2023-12-05 F5, Inc. Methods for managing L7 traffic classification and devices thereof
US10122630B1 (en) 2014-08-15 2018-11-06 F5 Networks, Inc. Methods for network traffic presteering and devices thereof
US10182013B1 (en) 2014-12-01 2019-01-15 F5 Networks, Inc. Methods for managing progressive image delivery and devices thereof
US11895138B1 (en) 2015-02-02 2024-02-06 F5, Inc. Methods for improving web scanner accuracy and devices thereof
US10834065B1 (en) 2015-03-31 2020-11-10 F5 Networks, Inc. Methods for SSL protected NTLM re-authentication and devices thereof
US10505818B1 (en) 2015-05-05 2019-12-10 F5 Networks. Inc. Methods for analyzing and load balancing based on server health and devices thereof
US11757946B1 (en) 2015-12-22 2023-09-12 F5, Inc. Methods for analyzing network traffic and enforcing network policies and devices thereof
US10404698B1 (en) 2016-01-15 2019-09-03 F5 Networks, Inc. Methods for adaptive organization of web application access points in webtops and devices thereof
US10797888B1 (en) 2016-01-20 2020-10-06 F5 Networks, Inc. Methods for secured SCEP enrollment for client devices and devices thereof
US10791088B1 (en) 2016-06-17 2020-09-29 F5 Networks, Inc. Methods for disaggregating subscribers via DHCP address translation and devices thereof
US11063758B1 (en) 2016-11-01 2021-07-13 F5 Networks, Inc. Methods for facilitating cipher selection and devices thereof
US10505792B1 (en) 2016-11-02 2019-12-10 F5 Networks, Inc. Methods for facilitating network traffic analytics and devices thereof
US11496438B1 (en) 2017-02-07 2022-11-08 F5, Inc. Methods for improved network security using asymmetric traffic delivery and devices thereof
US10791119B1 (en) 2017-03-14 2020-09-29 F5 Networks, Inc. Methods for temporal password injection and devices thereof
US10812266B1 (en) 2017-03-17 2020-10-20 F5 Networks, Inc. Methods for managing security tokens based on security violations and devices thereof
US10931662B1 (en) 2017-04-10 2021-02-23 F5 Networks, Inc. Methods for ephemeral authentication screening and devices thereof
US10972453B1 (en) 2017-05-03 2021-04-06 F5 Networks, Inc. Methods for token refreshment based on single sign-on (SSO) for federated identity environments and devices thereof
US11122042B1 (en) 2017-05-12 2021-09-14 F5 Networks, Inc. Methods for dynamically managing user access control and devices thereof
US11122083B1 (en) 2017-09-08 2021-09-14 F5 Networks, Inc. Methods for managing network connections based on DNS data and network policies and devices thereof
US11658995B1 (en) 2018-03-20 2023-05-23 F5, Inc. Methods for dynamically mitigating network attacks and devices thereof
US11044200B1 (en) 2018-07-06 2021-06-22 F5 Networks, Inc. Methods for service stitching using a packet header and devices thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3469650B2 (ja) * 1994-09-13 2003-11-25 ソニー株式会社 光学記録媒体及び信号記録方法
US5915027A (en) * 1996-11-05 1999-06-22 Nec Research Institute Digital watermarking
US5875249A (en) * 1997-01-08 1999-02-23 International Business Machines Corporation Invisible image watermark for image verification

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108205810A (zh) * 2016-12-16 2018-06-26 富士通株式会社 图像比较装置及方法、电子设备

Also Published As

Publication number Publication date
AU5318999A (en) 2000-02-07
WO2000004422A2 (fr) 2000-01-27
WO2000004422A3 (fr) 2000-04-20
CA2304041C (fr) 2004-06-01

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