BRPI0913390A2 - processo e sistema que permitem criptografar visualmente os objetos móveis em um fluxo de vídeo comprimido - Google Patents

processo e sistema que permitem criptografar visualmente os objetos móveis em um fluxo de vídeo comprimido

Info

Publication number
BRPI0913390A2
BRPI0913390A2 BRPI0913390A BRPI0913390A BRPI0913390A2 BR PI0913390 A2 BRPI0913390 A2 BR PI0913390A2 BR PI0913390 A BRPI0913390 A BR PI0913390A BR PI0913390 A BRPI0913390 A BR PI0913390A BR PI0913390 A2 BRPI0913390 A2 BR PI0913390A2
Authority
BR
Brazil
Prior art keywords
lets
video stream
compressed video
moving objects
visually encrypt
Prior art date
Application number
BRPI0913390A
Other languages
English (en)
Inventor
Cédric Le Barz
Erwann Renan
Marc Leny
Original Assignee
Thales Sa
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 Thales Sa filed Critical Thales Sa
Publication of BRPI0913390A2 publication Critical patent/BRPI0913390A2/pt

Links

Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting 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]
    • H04N21/40—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
    • H04N21/4728—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 selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8451—Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/30—Compression, e.g. Merkle-Damgard construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0913390A 2008-06-03 2009-06-03 processo e sistema que permitem criptografar visualmente os objetos móveis em um fluxo de vídeo comprimido BRPI0913390A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0803063A FR2932046B1 (fr) 2008-06-03 2008-06-03 Procede et systeme permettant de crypter visuellement les objets mobiles au sein d'un flux video compresse
PCT/EP2009/056830 WO2009147183A1 (fr) 2008-06-03 2009-06-03 Procede et systeme permettant de crypter visuellement les objets mobiles au sein d'un flux video compresse

Publications (1)

Publication Number Publication Date
BRPI0913390A2 true BRPI0913390A2 (pt) 2015-11-24

Family

ID=40227830

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0913390A BRPI0913390A2 (pt) 2008-06-03 2009-06-03 processo e sistema que permitem criptografar visualmente os objetos móveis em um fluxo de vídeo comprimido

Country Status (7)

Country Link
US (1) US20110075842A1 (pt)
EP (1) EP2297951A1 (pt)
BR (1) BRPI0913390A2 (pt)
FR (1) FR2932046B1 (pt)
MA (1) MA32377B1 (pt)
MX (1) MX2010013317A (pt)
WO (1) WO2009147183A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7627897B2 (en) * 2001-01-03 2009-12-01 Portauthority Technologies Inc. Method and apparatus for a reactive defense against illegal distribution of multimedia content in file sharing networks
FR2972886B1 (fr) * 2011-03-17 2013-03-15 Thales Sa Procede de compression/decompression de flux video partiellement masques, codeur et decodeur mettant en oeuvre le procede
RU2018135747A (ru) * 2013-07-22 2018-11-19 Сони Корпорейшн Устройство и способ обработки информации
US10182038B2 (en) * 2013-07-29 2019-01-15 Mobitv, Inc. Efficient common storage of partially encrypted content
EP2874396A1 (en) * 2013-11-15 2015-05-20 Everseen Ltd. Method and system for securing a stream of data
AU2015373961A1 (en) * 2014-12-30 2017-07-20 Morphotrust Usa, Llc Video triggered analyses
CN106210612A (zh) * 2015-04-30 2016-12-07 杭州海康威视数字技术股份有限公司 视频编码方法、解码方法及其装置
KR102077239B1 (ko) 2015-07-02 2020-02-13 삼성전자주식회사 멀티미디어 데이터를 암호화하는 방법 및 장치, 복호화하는 방법 및 장치
KR102410539B1 (ko) * 2016-01-12 2022-06-16 한화테크윈 주식회사 압축된 비디오로부터 프라이버시 영역을 암호화하는 장치 및 방법
CN109214971B (zh) * 2018-08-08 2019-05-28 山东科技大学 一种灰度图像可视加密方法
US11159798B2 (en) * 2018-08-21 2021-10-26 International Business Machines Corporation Video compression using cognitive semantics object analysis
CN110446105B (zh) * 2019-09-20 2021-11-16 网易（杭州）网络有限公司 视频加密、解密的方法及装置
CN114143410B (zh) * 2021-11-16 2023-09-01 国网江苏省电力有限公司信息通信分公司 一种基于物联网的电力监控图像加密传输方法
CN115866299B (zh) * 2022-11-22 2024-09-24 航天信息股份有限公司 视频防篡改方法、装置、电子设备及存储介质
DE102023131053A1 (de) * 2023-11-09 2025-05-15 Valeo Schalter Und Sensoren Gmbh Anonymisieren von Bildbereichen von Einzelbildern in einem kodierten Videodatenstrom

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6505299B1 (en) * 1999-03-01 2003-01-07 Sharp Laboratories Of America, Inc. Digital image scrambling for image coding systems
US7295673B2 (en) * 2002-10-23 2007-11-13 Divx, Inc. Method and system for securing compressed digital video
GB0315412D0 (en) * 2003-07-02 2003-08-06 Queen Mary & Westfield College Optical flow estimation method
FR2879878B1 (fr) * 2004-12-22 2007-05-25 Thales Sa Procede de chiffrement selectif compatible pour flux video
EP2164056A2 (en) * 2004-12-27 2010-03-17 Emitall Surveillance S.A. Efficient scrambling of regions of interests in an image or video to preserve privacy
CA2628203A1 (en) * 2005-11-04 2007-05-10 Emitall Surveillance S.A. Region-based transform domain video scrambling

Also Published As

Publication number Publication date
EP2297951A1 (fr) 2011-03-23
MX2010013317A (es) 2011-02-24
US20110075842A1 (en) 2011-03-31
WO2009147183A1 (fr) 2009-12-10
FR2932046A1 (fr) 2009-12-04
FR2932046B1 (fr) 2010-08-20
MA32377B1 (fr) 2011-06-01

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: G06T 7/20 , H04N 7/167

Ipc: H04L 9/06 (1990.01), H04N 7/167 (1985.01), H04N 21

B11E Dismissal acc. art. 34 of ipl - requirements for examination incomplete
B11T Dismissal of application maintained [chapter 11.20 patent gazette]