JP2003324418A - 画像処理装置、データ処理装置及びデータ処理方法 - Google Patents

画像処理装置、データ処理装置及びデータ処理方法

Info

Publication number
JP2003324418A
JP2003324418A JP2002157553A JP2002157553A JP2003324418A JP 2003324418 A JP2003324418 A JP 2003324418A JP 2002157553 A JP2002157553 A JP 2002157553A JP 2002157553 A JP2002157553 A JP 2002157553A JP 2003324418 A JP2003324418 A JP 2003324418A
Authority
JP
Japan
Prior art keywords
key
layer
image data
data
encryption
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
JP2002157553A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003324418A5 (enExample
Inventor
Nobuhiro Tagashira
信博 田頭
Yuji Suga
祐治 須賀
Junichi Hayashi
淳一 林
Keiichi Iwamura
恵市 岩村
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 JP2002157553A priority Critical patent/JP2003324418A/ja
Priority to AU2003211584A priority patent/AU2003211584A1/en
Priority to EP03705354A priority patent/EP1487148A4/en
Priority to PCT/JP2003/001863 priority patent/WO2003073691A1/ja
Priority to US10/434,161 priority patent/US7463736B2/en
Publication of JP2003324418A publication Critical patent/JP2003324418A/ja
Publication of JP2003324418A5 publication Critical patent/JP2003324418A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26613—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing keys in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Facsimile Transmission Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2002157553A 2002-02-27 2002-05-30 画像処理装置、データ処理装置及びデータ処理方法 Pending JP2003324418A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2002157553A JP2003324418A (ja) 2002-02-27 2002-05-30 画像処理装置、データ処理装置及びデータ処理方法
AU2003211584A AU2003211584A1 (en) 2002-02-27 2003-02-20 Data processing apparatus and method thereof
EP03705354A EP1487148A4 (en) 2002-02-27 2003-02-20 DATA PROCESSING MACHINE AND METHOD RELATING THERETO
PCT/JP2003/001863 WO2003073691A1 (en) 2002-02-27 2003-02-20 Data processing apparatus and method thereof
US10/434,161 US7463736B2 (en) 2002-02-27 2003-05-09 Data process apparatus and method therefor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002051823 2002-02-27
JP2002-51823 2002-02-27
JP2002157553A JP2003324418A (ja) 2002-02-27 2002-05-30 画像処理装置、データ処理装置及びデータ処理方法

Publications (2)

Publication Number Publication Date
JP2003324418A true JP2003324418A (ja) 2003-11-14
JP2003324418A5 JP2003324418A5 (enExample) 2005-10-06

Family

ID=27767190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002157553A Pending JP2003324418A (ja) 2002-02-27 2002-05-30 画像処理装置、データ処理装置及びデータ処理方法

Country Status (5)

Country Link
US (1) US7463736B2 (enExample)
EP (1) EP1487148A4 (enExample)
JP (1) JP2003324418A (enExample)
AU (1) AU2003211584A1 (enExample)
WO (1) WO2003073691A1 (enExample)

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WO2005104552A1 (ja) * 2004-04-23 2005-11-03 Sumitomo Electric Industries, Ltd. 動画像データの符号化方法、復号化方法、これらを実行する端末装置、及び双方向対話型システム
WO2006028103A1 (en) * 2004-09-07 2006-03-16 Canon Kabushiki Kaisha Information processing method, information processing device, computer program for achieving the information processing method, and computer-readable storage medium of storing the computer program
JP2007088614A (ja) * 2005-09-20 2007-04-05 Mitsubishi Electric Corp コンテンツ暗号化装置およびコンテンツ復号化装置
US7391864B2 (en) 2002-08-29 2008-06-24 Samsung Electronics Co., Ltd. Apparatus and method for hierarchical encryption
WO2008081886A1 (ja) * 2006-12-27 2008-07-10 Panasonic Corporation 印刷媒体、画像形成装置、画像情報入力装置及びデジタル複合機
JP2009303211A (ja) * 2008-06-16 2009-12-24 Hitachi Ltd スライスベースの優先度付きセキュアビデオストリーミング
JP2010041112A (ja) * 2008-07-31 2010-02-18 Nippon Telegr & Teleph Corp <Ntt> 階層型マルチキャスト配信のためのコンテンツ暗号化方法及び復号化方法並びにコンテンツ暗号化装置及び復号装置
US7925097B2 (en) 2005-02-18 2011-04-12 Sanyo Electric Co., Ltd. Image display method, image coding apparatus, and image decoding apparatus
US8532287B2 (en) 2004-05-27 2013-09-10 Sony Corporation Information processing system and information processing method for use therewith, information processing apparatus and information processing method for use therewith, and program
CN114026876A (zh) * 2019-10-08 2022-02-08 索尼集团公司 多分辨率点云的安全分发

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US7818444B2 (en) 2004-04-30 2010-10-19 Move Networks, Inc. Apparatus, system, and method for multi-bitrate content streaming
JP2006020292A (ja) 2004-06-03 2006-01-19 Canon Inc 情報処理方法、情報処理装置
JP2006025409A (ja) * 2004-06-11 2006-01-26 Canon Inc 画像処理装置及び画像処理方法
WO2008053545A1 (fr) * 2006-10-31 2008-05-08 Fujitsu Limited Dispositif de chiffrage/déchiffrage d'images, procédé et programme
CN101321053B (zh) * 2007-06-08 2011-09-14 华为技术有限公司 一种生成组密钥的方法、系统和设备
FR2923669B1 (fr) * 2007-11-09 2010-01-08 Viaccess Sa Procede de conditionnement et de controle d'acces a des contenus en codage hierarchique, processeur et emetteur pour ce procede
US7940280B2 (en) * 2007-12-06 2011-05-10 Seiko Epson Corporation System and method for color format conversion in a graphics environment
WO2009147788A1 (ja) * 2008-06-04 2009-12-10 パナソニック株式会社 暗号化装置及び暗号化システム
US20110075537A1 (en) * 2009-09-25 2011-03-31 General Electric Company Holographic disc with improved features and method for the same
IT1403450B1 (it) * 2011-01-19 2013-10-17 Sisvel S P A Flusso video costituito da frame video combinati, e procedimento e dispositivi per la sua generazione, trasmissione, ricezione e riproduzione
US9357232B2 (en) * 2014-10-28 2016-05-31 Sony Corporation Image processing system with binary decomposition and method of operation thereof
US9591330B2 (en) 2014-10-28 2017-03-07 Sony Corporation Image processing system with binary adaptive Golomb coding and method of operation thereof
US10063889B2 (en) 2014-10-28 2018-08-28 Sony Corporation Image processing system with conditional coding and method of operation thereof
US10356410B2 (en) 2014-10-28 2019-07-16 Sony Corporation Image processing system with joint encoding and method of operation thereof
US9674554B2 (en) 2014-10-28 2017-06-06 Sony Corporation Image processing system with coding mode and method of operation thereof
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US20230252173A1 (en) * 2022-02-10 2023-08-10 Fractal Analytics Private Limited System and method for object recognition and privacy preservation

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Cited By (17)

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US7391864B2 (en) 2002-08-29 2008-06-24 Samsung Electronics Co., Ltd. Apparatus and method for hierarchical encryption
WO2005104552A1 (ja) * 2004-04-23 2005-11-03 Sumitomo Electric Industries, Ltd. 動画像データの符号化方法、復号化方法、これらを実行する端末装置、及び双方向対話型システム
US7983497B2 (en) 2004-04-23 2011-07-19 Sumitomo Electric Industries, Ltd. Coding method for motion-image data, decoding method, terminal equipment executing these, and two-way interactive system
US8532287B2 (en) 2004-05-27 2013-09-10 Sony Corporation Information processing system and information processing method for use therewith, information processing apparatus and information processing method for use therewith, and program
US7970139B2 (en) 2004-09-07 2011-06-28 Canon Kabushiki Kaisha Decrypting overlapping selected and encrypted image areas
WO2006028103A1 (en) * 2004-09-07 2006-03-16 Canon Kabushiki Kaisha Information processing method, information processing device, computer program for achieving the information processing method, and computer-readable storage medium of storing the computer program
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US7925097B2 (en) 2005-02-18 2011-04-12 Sanyo Electric Co., Ltd. Image display method, image coding apparatus, and image decoding apparatus
JP2007088614A (ja) * 2005-09-20 2007-04-05 Mitsubishi Electric Corp コンテンツ暗号化装置およびコンテンツ復号化装置
WO2008081886A1 (ja) * 2006-12-27 2008-07-10 Panasonic Corporation 印刷媒体、画像形成装置、画像情報入力装置及びデジタル複合機
JP2009303211A (ja) * 2008-06-16 2009-12-24 Hitachi Ltd スライスベースの優先度付きセキュアビデオストリーミング
JP2010041112A (ja) * 2008-07-31 2010-02-18 Nippon Telegr & Teleph Corp <Ntt> 階層型マルチキャスト配信のためのコンテンツ暗号化方法及び復号化方法並びにコンテンツ暗号化装置及び復号装置
CN114026876A (zh) * 2019-10-08 2022-02-08 索尼集团公司 多分辨率点云的安全分发
JP2022551515A (ja) * 2019-10-08 2022-12-09 ソニーグループ株式会社 マルチ解像度ポイントクラウドのセキュアな配信
US11756218B2 (en) 2019-10-08 2023-09-12 Sony Group Corporation Secure distribution of multi-resolution point cloud
JP2024096726A (ja) * 2019-10-08 2024-07-17 ソニーグループ株式会社 マルチ解像度ポイントクラウドのセキュアな配信
CN114026876B (zh) * 2019-10-08 2024-09-03 索尼集团公司 多分辨率点云的安全分发

Also Published As

Publication number Publication date
WO2003073691A1 (en) 2003-09-04
US7463736B2 (en) 2008-12-09
US20030190042A1 (en) 2003-10-09
EP1487148A1 (en) 2004-12-15
EP1487148A4 (en) 2007-06-20
AU2003211584A1 (en) 2003-09-09

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