JP4612787B2 - 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 - Google Patents

画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 Download PDF

Info

Publication number
JP4612787B2
JP4612787B2 JP2003061863A JP2003061863A JP4612787B2 JP 4612787 B2 JP4612787 B2 JP 4612787B2 JP 2003061863 A JP2003061863 A JP 2003061863A JP 2003061863 A JP2003061863 A JP 2003061863A JP 4612787 B2 JP4612787 B2 JP 4612787B2
Authority
JP
Japan
Prior art keywords
data
encryption
image data
encrypted
data block
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.)
Expired - Fee Related
Application number
JP2003061863A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004274358A (ja
JP2004274358A5 (https=
Inventor
淳一 林
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2003061863A priority Critical patent/JP4612787B2/ja
Priority to US10/789,986 priority patent/US7362860B2/en
Publication of JP2004274358A publication Critical patent/JP2004274358A/ja
Publication of JP2004274358A5 publication Critical patent/JP2004274358A5/ja
Application granted granted Critical
Publication of JP4612787B2 publication Critical patent/JP4612787B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
    • 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
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
    • H04N1/00214—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of transmission
    • H04N1/00217—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of transmission only involving computer data transmission protocols, e.g. SMTP, WAP or HTTP
    • 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
    • H04N1/44—Secrecy systems
    • H04N1/4406—Restricting access, e.g. according to user identity
    • H04N1/4426—Restricting access, e.g. according to user identity involving separate means, e.g. a server, a magnetic card
    • 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
    • H04N1/44—Secrecy systems
    • H04N1/4406—Restricting access, e.g. according to user identity
    • H04N1/444—Restricting access, e.g. according to user identity to a particular document or image or part thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2003061863A 2003-03-07 2003-03-07 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 Expired - Fee Related JP4612787B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003061863A JP4612787B2 (ja) 2003-03-07 2003-03-07 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
US10/789,986 US7362860B2 (en) 2003-03-07 2004-03-02 Image data encryption method, image data transform method, apparatus for the methods, computer program, and computer-readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003061863A JP4612787B2 (ja) 2003-03-07 2003-03-07 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体

Publications (3)

Publication Number Publication Date
JP2004274358A JP2004274358A (ja) 2004-09-30
JP2004274358A5 JP2004274358A5 (https=) 2006-04-13
JP4612787B2 true JP4612787B2 (ja) 2011-01-12

Family

ID=32923646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003061863A Expired - Fee Related JP4612787B2 (ja) 2003-03-07 2003-03-07 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体

Country Status (2)

Country Link
US (1) US7362860B2 (https=)
JP (1) JP4612787B2 (https=)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4181802B2 (ja) * 2002-06-28 2008-11-19 キヤノン株式会社 情報処理装置、情報処理方法、プログラム、記憶媒体
JP2005151459A (ja) * 2003-11-19 2005-06-09 Canon Inc 画像処理システムおよびその画像データ処理方法
JP4766888B2 (ja) * 2004-03-30 2011-09-07 三洋電機株式会社 画像処理装置
JP2006085676A (ja) * 2004-08-20 2006-03-30 Matsushita Electric Ind Co Ltd 暗号化命令処理装置
FR2879878B1 (fr) * 2004-12-22 2007-05-25 Thales Sa Procede de chiffrement selectif compatible pour flux video
JP4310285B2 (ja) * 2005-02-09 2009-08-05 キヤノン株式会社 情報処理方法及び装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
US7925097B2 (en) 2005-02-18 2011-04-12 Sanyo Electric Co., Ltd. Image display method, image coding apparatus, and image decoding apparatus
JP4201780B2 (ja) * 2005-03-29 2008-12-24 三洋電機株式会社 画像処理装置、画像表示装置および方法
EP1798974A1 (fr) * 2005-12-15 2007-06-20 Nagra France Sarl Procédé de transmission d'un contenu à accès conditionnel
JP5043421B2 (ja) 2005-12-28 2012-10-10 キヤノン株式会社 情報処理装置およびその方法
EP2082332B1 (en) * 2006-10-10 2012-08-22 Zoran (France) Method and apparatus for spatio-temporal subband video enhancement with small time delay
JP4956179B2 (ja) * 2006-12-22 2012-06-20 キヤノン株式会社 データ処理装置、データ処理方法、データ処理プログラム並びに記憶媒体
US20100295713A1 (en) * 2007-04-18 2010-11-25 Mitsubishi Electric Corporation Coding apparatus, decoding apparatus, code transforming apparatus, and program
US10536670B2 (en) * 2007-04-25 2020-01-14 David Chaum Video copy prevention systems with interaction and compression
US20090019553A1 (en) * 2007-07-10 2009-01-15 International Business Machines Corporation Tagging private sections in text, audio, and video media
US9031241B2 (en) * 2009-02-05 2015-05-12 D.E. Shaw Research, Llc Link and physical coding sub-layer protocols
US8850410B2 (en) * 2010-01-29 2014-09-30 International Business Machines Corporation System using a unique marker with each software code-block
JP5364840B2 (ja) * 2010-02-22 2013-12-11 株式会社東芝 暗号化装置
US8971532B1 (en) * 2011-01-17 2015-03-03 Exaimage Corporation System and methods for protecting video content
US9075493B2 (en) * 2011-03-07 2015-07-07 Sas Institute, Inc. Techniques to present hierarchical information using orthographic projections
JP5921120B2 (ja) 2011-09-07 2016-05-24 キヤノン株式会社 情報処理装置、情報処理方法
KR20140052243A (ko) * 2012-10-23 2014-05-07 한국전자통신연구원 네트워크 데이터 서비스 장치 및 방법, 네트워크 데이터 서비스를 위한 클라이언트 단말 장치
KR101964229B1 (ko) * 2013-07-26 2019-04-01 한화테크윈 주식회사 감시 서버, 감시 서버의 데이터 처리 방법, 및 감시 시스템
US9489711B2 (en) * 2014-08-21 2016-11-08 Facebook, Inc. Systems and methods for recipient-side image processing
JP2017228902A (ja) * 2016-06-21 2017-12-28 富士通株式会社 画像処理装置、画像処理方法および画像処理プログラム
FR3054945B1 (fr) * 2016-08-05 2019-09-06 Viaccess Procede de lecture et de generation d'un flux video contenant des images compressees et chiffrees
CN111031193B (zh) * 2020-01-06 2021-08-06 中国矿业大学 基于立体复合置乱模型和混沌的图像加密方法
JP2023013262A (ja) * 2021-07-15 2023-01-26 株式会社シキノハイテック 画像圧縮装置、画像伸長装置、画像圧縮方法、および画像伸長方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925663A1 (de) * 1989-08-03 1991-02-07 Thomson Brandt Gmbh Digitales signalverarbeitungssystem
US6061451A (en) * 1996-09-03 2000-05-09 Digital Vision Laboratories Corporation Apparatus and method for receiving and decrypting encrypted data and protecting decrypted data from illegal use
US6134269A (en) * 1996-09-25 2000-10-17 At&T Corp Fixed or adaptive deinterleaved transform coding for image coding and intra coding of video
JPH1175178A (ja) * 1997-08-28 1999-03-16 Sanyo Electric Co Ltd 画像符号化装置及び画像符号化方法
JPH11331618A (ja) * 1998-05-19 1999-11-30 Canon Inc 画像処理装置、画像データ配布装置、画像データ配布システム、画像データ配布方法、及び記憶媒体
JPH11341291A (ja) * 1998-05-27 1999-12-10 Nec Eng Ltd 画像ファイルの暗号化、復号化方法及び画像ファイルの暗号化、復号化装置
JP4026933B2 (ja) 1998-06-24 2007-12-26 キヤノン株式会社 情報処理装置及び方法並びに記録媒体
SE513356C2 (sv) * 1998-11-20 2000-08-28 Ericsson Telefon Ab L M Förfarande och anordning för kryptering av bilder
DE19911176A1 (de) * 1999-03-12 2000-09-21 Lok Lombardkasse Ag Anonymisierungsverfahren
US6741758B2 (en) 2000-04-07 2004-05-25 Canon Kabushiki Kaisha Image processor and image processing method
EP1231767B1 (en) 2001-02-09 2011-04-13 Canon Kabushiki Kaisha Information processing apparatus and its control method, computer program, and storage medium
US6677868B2 (en) * 2001-03-16 2004-01-13 Sharp Laboratories Of America, Inc. Entropy coding with adaptive syntax to replace high probability symbols with lower probabilities symbols
JP2002325170A (ja) 2001-04-24 2002-11-08 Canon Inc 画像処理装置及びその方法並びにプログラムコード、記憶媒体
JP3977216B2 (ja) 2001-09-27 2007-09-19 キヤノン株式会社 情報処理装置及び方法及び情報処理プログラム及び記憶媒体
JP3937841B2 (ja) 2002-01-10 2007-06-27 キヤノン株式会社 情報処理装置及びその制御方法
US20030210803A1 (en) 2002-03-29 2003-11-13 Canon Kabushiki Kaisha Image processing apparatus and method
JP4136731B2 (ja) 2002-04-24 2008-08-20 キヤノン株式会社 情報処理方法及び装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
JP4143441B2 (ja) 2002-04-24 2008-09-03 キヤノン株式会社 情報処理方法及び装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
JP2004040246A (ja) 2002-06-28 2004-02-05 Canon Inc 情報処理装置、情報処理方法
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal

Also Published As

Publication number Publication date
US20040177251A1 (en) 2004-09-09
US7362860B2 (en) 2008-04-22
JP2004274358A (ja) 2004-09-30

Similar Documents

Publication Publication Date Title
JP4612787B2 (ja) 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
US7457419B2 (en) Information processing method and apparatus for encrypting encoded data
US7571316B2 (en) Method and device for transforming a digital signal
JP3960597B2 (ja) 符号生成装置、画像処理装置、符号生成プログラム、画像処理プログラムおよび記憶媒体
JP2003324418A (ja) 画像処理装置、データ処理装置及びデータ処理方法
JP2004040246A (ja) 情報処理装置、情報処理方法
JP2004312671A (ja) マルチメディアデータ暗号化圧縮方法及び装置
JP2010004518A (ja) スケーラブルビデオ符号化コンテンツの保護方法及びその装置
Liu Efficient selective encryption for JPEG 2000 images using private initial table
JP4181802B2 (ja) 情報処理装置、情報処理方法、プログラム、記憶媒体
JP2004254133A (ja) 動画再生システム、動画再生装置、動画送信装置、動画再生方法、プログラム、及び、記録媒体
US6643382B1 (en) Image processing method, image processing apparatus, image processing system and memory medium
WO2010042318A1 (en) Method and system for encrypting and decrypting data streams
JP2003153228A (ja) 画像符号化装置及び画像復号化装置
JP4136812B2 (ja) 画像暗号化方法及び画像暗号復号方法及びそれらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
JP2005516560A (ja) 高品質の音響映像作品を処理するための安全化装置
US20070217607A1 (en) Repetition Coded Compression For Encrypting Highly Correlated Data
JP2004032538A (ja) 情報処理装置及び情報処理方法
JP4227425B2 (ja) 情報処理方法及び装置、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
Babel et al. Preserving data integrity of encoded medical images: the LAR compression framework
JPH1118070A (ja) 画像圧縮装置および画像伸長装置および伝送装置
KR20070099408A (ko) 스케일러블 비디오 부호화 콘텐츠의 보호 방법 및 그 장치
JP4036363B2 (ja) 画像処理装置及び画像処理方法
Pappa et al. An optimal approach for watermarking using MRC4 encryption scheme
JP4174254B2 (ja) 動画像符号化装置及び動画像復号装置並びにそれらの方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060221

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090703

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090901

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100413

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20101001

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20101016

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131022

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4612787

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees