CN1452840A - 随机存取加密视频流中的单个图像的方法和装置 - Google Patents

随机存取加密视频流中的单个图像的方法和装置 Download PDF

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Publication number
CN1452840A
CN1452840A CN00819492A CN00819492A CN1452840A CN 1452840 A CN1452840 A CN 1452840A CN 00819492 A CN00819492 A CN 00819492A CN 00819492 A CN00819492 A CN 00819492A CN 1452840 A CN1452840 A CN 1452840A
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CN
China
Prior art keywords
bag
data
transmission bag
transmission
video
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
CN00819492A
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English (en)
Chinese (zh)
Inventor
N·C·P·苏
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.)
Arris Technology Inc
Original Assignee
General Instrument Corp
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 General Instrument Corp filed Critical General Instrument Corp
Publication of CN1452840A publication Critical patent/CN1452840A/zh
Pending legal-status Critical Current

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    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • H04N21/23897—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption by partially encrypting, e.g. encrypting only the ending portion of a movie
    • 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
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17336—Handling of requests in head-ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN00819492A 2000-05-02 2000-05-02 随机存取加密视频流中的单个图像的方法和装置 Pending CN1452840A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/011891 WO2002015579A1 (fr) 2000-05-02 2000-05-02 Procede et appareil permettant l'acces aleatoire a des images individuelles dans un flot de video chiffre

Publications (1)

Publication Number Publication Date
CN1452840A true CN1452840A (zh) 2003-10-29

Family

ID=21741343

Family Applications (1)

Application Number Title Priority Date Filing Date
CN00819492A Pending CN1452840A (zh) 2000-05-02 2000-05-02 随机存取加密视频流中的单个图像的方法和装置

Country Status (6)

Country Link
EP (1) EP1275250A1 (fr)
KR (1) KR20020091254A (fr)
CN (1) CN1452840A (fr)
AU (1) AU2000248144A1 (fr)
CA (1) CA2408232C (fr)
WO (1) WO2002015579A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100449525C (zh) * 2003-12-08 2009-01-07 学校法人大洋学园 运动画面文件加密方法及其数字权限管理方法
CN100505866C (zh) * 2004-10-28 2009-06-24 武汉大学 一种视频信息的加解密方法
CN1977534B (zh) * 2003-12-16 2010-05-26 索尼电子有限公司 视频点播内容的基于复合会话的加密
CN101079871B (zh) * 2006-09-29 2011-05-11 腾讯科技（深圳）有限公司 多媒体信息流的透传方法和系统
CN102112958A (zh) * 2008-05-29 2011-06-29 惠普开发有限公司 包括存储标签加密掩码的存储器的可更换打印机部件
CN102326403A (zh) * 2008-11-25 2012-01-18 思科技术公司 利用外部图片属性标记来加快频道改变时间
CN101253768B (zh) * 2005-06-23 2012-07-04 松下航空电子公司 用于提供可搜索数据传送流加密的系统和方法
CN101783789B (zh) * 2009-01-16 2013-01-02 深圳市维信联合科技有限公司 网络数据包传输处理方法、设备及系统
CN102867153A (zh) * 2012-08-30 2013-01-09 腾讯科技（深圳）有限公司 一种加密、解密视频文件的方法、装置及移动终端
CN103886106A (zh) * 2014-04-14 2014-06-25 北京工业大学 一种基于光谱特征保护的遥感图像安全检索方法
CN104581201A (zh) * 2014-12-31 2015-04-29 乐视网信息技术（北京）股份有限公司 一种视频加密方法及装置
CN104639943A (zh) * 2015-01-30 2015-05-20 中国科学院信息工程研究所 一种基于h.264编码标准的通用视频加密方法及系统
CN109561345A (zh) * 2018-12-14 2019-04-02 上海文广科技（集团）有限公司 基于avs+编码格式的数字电影打包方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7111169B2 (en) * 2001-03-29 2006-09-19 Intel Corporation Method and apparatus for content protection across a source-to-destination interface
AU2003208588A1 (en) 2002-02-22 2003-09-09 Colin Davies Scrambled packet stream processing
CA2487319C (fr) * 2002-06-07 2009-01-06 General Instrument Corporation Commutation sans interruption entre plusieurs fichiers video pre-chiffers
JP2005533416A (ja) 2002-07-09 2005-11-04 カレイドスケイプ・インコーポレイテッド 暗号化されたデジタルコンテンツの安全な提示方法
CN1260642C (zh) * 2002-11-18 2006-06-21 深圳市朗科科技有限公司 一种向移动存储装置发送命令和数据的方法
FR2848372B1 (fr) * 2002-12-09 2005-04-01 Medialive Synchronisation de flux audiovisuels securises
EP1579655A1 (fr) * 2002-12-20 2005-09-28 Koninklijke Philips Electronics N.V. Appareil et procede de traitement de trains de donnees continus
CA2523343A1 (fr) * 2003-04-21 2004-11-04 Rgb Networks, Inc. Systeme de chiffrement de programmes multiples multiplexes dans le temps
GB2404467A (en) * 2003-07-31 2005-02-02 Sony Uk Ltd Access control for digital content
JP2005149029A (ja) * 2003-11-13 2005-06-09 Matsushita Electric Ind Co Ltd コンテンツ配信システム、コンテンツサーバ、コンテンツ受信装置、コンテンツ配信方法、プログラム及び記録媒体
CN100364332C (zh) * 2004-09-01 2008-01-23 华为技术有限公司 一种保护宽带视音频广播内容的方法
BRPI0517365B1 (pt) 2004-09-23 2019-12-17 Interdigital Madison Patent Holdings inserção de metadados para controle de reprodução em fluxo de transporte de vídeo
US7646867B2 (en) * 2005-09-09 2010-01-12 Netapp, Inc. System and/or method for encrypting data
US7929698B2 (en) 2007-06-15 2011-04-19 Sony Corporation Selective encryption to enable trick play with enhanced security
CN101453653B (zh) * 2007-12-07 2011-01-05 中兴通讯股份有限公司 一种传播数字音视频参数集的方法
US8630412B2 (en) 2010-08-25 2014-01-14 Motorola Mobility Llc Transport of partially encrypted media
KR101362429B1 (ko) * 2011-07-25 2014-02-13 주식회사 케이티 영상 콘텐츠 품질 측정 시스템 및 방법
EP3013059A4 (fr) * 2013-06-21 2017-03-22 Sony Corporation Appareil et procédé de transmission, appareil et procédé de reproduction et appareil de réception

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97928C (fi) * 1994-03-21 1997-03-10 Nokia Technology Gmbh Menetelmä digitaalisessa muodossa siirrettävän televisiolähetyksen salaamiseksi
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
US5659539A (en) * 1995-07-14 1997-08-19 Oracle Corporation Method and apparatus for frame accurate access of digital audio-visual information
US6453355B1 (en) * 1998-01-15 2002-09-17 Apple Computer, Inc. Method and apparatus for media data transmission

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100449525C (zh) * 2003-12-08 2009-01-07 学校法人大洋学园 运动画面文件加密方法及其数字权限管理方法
CN1977534B (zh) * 2003-12-16 2010-05-26 索尼电子有限公司 视频点播内容的基于复合会话的加密
CN100505866C (zh) * 2004-10-28 2009-06-24 武汉大学 一种视频信息的加解密方法
CN101253768B (zh) * 2005-06-23 2012-07-04 松下航空电子公司 用于提供可搜索数据传送流加密的系统和方法
CN101079871B (zh) * 2006-09-29 2011-05-11 腾讯科技（深圳）有限公司 多媒体信息流的透传方法和系统
US9707783B2 (en) 2008-05-29 2017-07-18 Hewlett-Packard Development Company, L.P. Replaceable printer component including a memory storing a tag encryption mask
CN102112958A (zh) * 2008-05-29 2011-06-29 惠普开发有限公司 包括存储标签加密掩码的存储器的可更换打印机部件
US9707784B2 (en) 2008-05-29 2017-07-18 Hewlett-Packard Development Company, L.P. Replaceable printer component
CN102326403A (zh) * 2008-11-25 2012-01-18 思科技术公司 利用外部图片属性标记来加快频道改变时间
CN101783789B (zh) * 2009-01-16 2013-01-02 深圳市维信联合科技有限公司 网络数据包传输处理方法、设备及系统
CN102867153B (zh) * 2012-08-30 2014-04-09 腾讯科技（深圳）有限公司 一种加密、解密视频文件的方法、装置及移动终端
US9014372B2 (en) 2012-08-30 2015-04-21 Tencent Technology (Shenzhen) Company Limited Video file encryption and decryption method, device, and mobile terminal
CN102867153A (zh) * 2012-08-30 2013-01-09 腾讯科技（深圳）有限公司 一种加密、解密视频文件的方法、装置及移动终端
CN103886106A (zh) * 2014-04-14 2014-06-25 北京工业大学 一种基于光谱特征保护的遥感图像安全检索方法
CN103886106B (zh) * 2014-04-14 2017-02-22 北京工业大学 一种基于光谱特征保护的遥感图像安全检索方法
CN104581201A (zh) * 2014-12-31 2015-04-29 乐视网信息技术（北京）股份有限公司 一种视频加密方法及装置
CN104639943A (zh) * 2015-01-30 2015-05-20 中国科学院信息工程研究所 一种基于h.264编码标准的通用视频加密方法及系统
CN104639943B (zh) * 2015-01-30 2018-02-13 中国科学院信息工程研究所 一种基于h.264编码标准的通用视频加密方法及系统
CN109561345A (zh) * 2018-12-14 2019-04-02 上海文广科技（集团）有限公司 基于avs+编码格式的数字电影打包方法
CN109561345B (zh) * 2018-12-14 2021-08-03 上海文广科技（集团）有限公司 基于avs+编码格式的数字电影打包方法

Also Published As

Publication number Publication date
WO2002015579A1 (fr) 2002-02-21
CA2408232A1 (fr) 2002-02-21
AU2000248144A1 (en) 2002-02-25
EP1275250A1 (fr) 2003-01-15
CA2408232C (fr) 2008-01-15
KR20020091254A (ko) 2002-12-05

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