BRPI0913388A2 - método e sistema para proteger a confidencialidade de compressão de dados de um fluxo de vídeo em sua transmissão - Google Patents
método e sistema para proteger a confidencialidade de compressão de dados de um fluxo de vídeo em sua transmissãoInfo
- Publication number
- BRPI0913388A2 BRPI0913388A2 BRPI0913388A BRPI0913388A BRPI0913388A2 BR PI0913388 A2 BRPI0913388 A2 BR PI0913388A2 BR PI0913388 A BRPI0913388 A BR PI0913388A BR PI0913388 A BRPI0913388 A BR PI0913388A BR PI0913388 A2 BRPI0913388 A2 BR PI0913388A2
- Authority
- BR
- Brazil
- Prior art keywords
- confidentiality
- protect
- transmission
- video stream
- data compression
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000013144 data compression Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H04N19/10—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
- H04N19/174—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 the region being a slice, e.g. a line of blocks or a group of blocks
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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]
- H04N21/80—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
-
- 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
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/601—Broadcast encryption
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0803061A FR2932045B1 (fr) | 2008-06-03 | 2008-06-03 | Procede et systeme permettant de proteger des la compression la confidentialite des donnees d'un flux video lors de sa transmission |
PCT/EP2009/056831 WO2009147184A1 (fr) | 2008-06-03 | 2009-06-03 | Procede et systeme permettant de proteger des la compression la confidentialite des donnees d'un flux video lors de sa transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0913388A2 true BRPI0913388A2 (pt) | 2015-11-24 |
Family
ID=40193684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0913388A BRPI0913388A2 (pt) | 2008-06-03 | 2009-06-03 | método e sistema para proteger a confidencialidade de compressão de dados de um fluxo de vídeo em sua transmissão |
Country Status (7)
Country | Link |
---|---|
US (1) | US8447034B2 (pt) |
EP (1) | EP2297952A1 (pt) |
BR (1) | BRPI0913388A2 (pt) |
FR (1) | FR2932045B1 (pt) |
MA (1) | MA32378B1 (pt) |
MX (1) | MX2010013318A (pt) |
WO (1) | WO2009147184A1 (pt) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8731190B2 (en) * | 2009-06-09 | 2014-05-20 | Emc Corporation | Segment deduplication system with encryption and compression of segments |
US8762348B2 (en) | 2009-06-09 | 2014-06-24 | Emc Corporation | Segment deduplication system with compression of segments |
US9066117B2 (en) * | 2012-02-08 | 2015-06-23 | Vixs Systems, Inc | Container agnostic encryption device and methods for use therewith |
EP2910026B1 (en) * | 2012-10-19 | 2017-11-29 | Visa International Service Association | Digital broadcast methods using secure meshes and wavelets |
US10356459B2 (en) * | 2013-07-22 | 2019-07-16 | Sony Corporation | Information processing apparatus and method |
DE102013226802A1 (de) * | 2013-12-20 | 2015-06-25 | Siemens Aktiengesellschaft | Schutz von Privatsphäre in einem Videostrom mittels einer redundanten Slice |
KR101564421B1 (ko) * | 2014-05-02 | 2015-10-29 | 삼성전자주식회사 | 동영상 처리 장치 및 방법 |
EP3340623B1 (en) | 2016-12-20 | 2023-04-12 | Axis AB | Method of encoding an image including a privacy mask |
EP3340624B1 (en) * | 2016-12-20 | 2019-07-03 | Axis AB | Encoding a privacy masked image |
CN108965882B (zh) * | 2018-06-12 | 2020-08-14 | 浙江大华技术股份有限公司 | 一种编解码方法及装置 |
CN108848382B (zh) * | 2018-06-12 | 2020-04-03 | 浙江大华技术股份有限公司 | 一种编解码方法及装置 |
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 |
CN111372023B (zh) * | 2018-12-25 | 2023-04-07 | 杭州海康威视数字技术股份有限公司 | 一种码流加密、解密方法及装置 |
CN115643001B (zh) * | 2022-12-25 | 2023-03-14 | 武汉恩为科技有限公司 | 一种基于位平面的图像加密方法、系统及可读存储介质 |
Family Cites Families (5)
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 |
GB0315412D0 (en) * | 2003-07-02 | 2003-08-06 | Queen Mary & Westfield College | Optical flow estimation method |
US20050207569A1 (en) * | 2004-03-16 | 2005-09-22 | Exavio, Inc | Methods and apparatus for preparing data for encrypted transmission |
FR2879878B1 (fr) * | 2004-12-22 | 2007-05-25 | Thales Sa | Procede de chiffrement selectif compatible pour flux video |
WO2007052142A2 (en) * | 2005-11-04 | 2007-05-10 | Emitall Surveillance S.A. | Region-based transform domain video scrambling |
-
2008
- 2008-06-03 FR FR0803061A patent/FR2932045B1/fr active Active
-
2009
- 2009-06-03 BR BRPI0913388A patent/BRPI0913388A2/pt not_active Application Discontinuation
- 2009-06-03 EP EP09757565A patent/EP2297952A1/fr not_active Ceased
- 2009-06-03 US US12/996,347 patent/US8447034B2/en not_active Expired - Fee Related
- 2009-06-03 WO PCT/EP2009/056831 patent/WO2009147184A1/fr active Application Filing
- 2009-06-03 MX MX2010013318A patent/MX2010013318A/es active IP Right Grant
-
2010
- 2010-12-03 MA MA33394A patent/MA32378B1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR2932045A1 (fr) | 2009-12-04 |
FR2932045B1 (fr) | 2010-08-20 |
US20110194688A1 (en) | 2011-08-11 |
MX2010013318A (es) | 2011-02-24 |
MA32378B1 (fr) | 2011-06-01 |
EP2297952A1 (fr) | 2011-03-23 |
WO2009147184A1 (fr) | 2009-12-10 |
US8447034B2 (en) | 2013-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BRPI0913388A2 (pt) | método e sistema para proteger a confidencialidade de compressão de dados de um fluxo de vídeo em sua transmissão | |
EP1834439A4 (en) | METHODS AND APPARATUSES FOR SECURITY IN NETWORKS AND COMPUTER SYSTEMS | |
FR2939593B1 (fr) | Procede et dispositif de codage video | |
BRPI0913390A2 (pt) | processo e sistema que permitem criptografar visualmente os objetos móveis em um fluxo de vídeo comprimido | |
BRPI0810234A2 (pt) | Dispositivo eletrônico, e, método para proteger dados de restrição de uso | |
EP2147396A4 (en) | VIDEO DETECTION SYSTEM AND METHOD | |
BRPI0812547A2 (pt) | Método e dispositivo de segurança de documentos | |
IL223474A0 (en) | Compression device system and method of use | |
EP2054816A4 (en) | CAPTURE AND SHARING OF MULTIMEDIA CONTENT AND MANAGEMENT OF SHARED MULTIMEDIA CONTENT | |
BRPI1012947A2 (pt) | "método e sistema para transmissão de dados de analito e geração de relatório" | |
BRPI0911141A2 (pt) | método, dispositivos e sistemas para codificação e decodificação de vídeo paralelo | |
BRPI0820948A2 (pt) | sistema para recepção e transmissão de dados criptografados | |
BRPI1007130A2 (pt) | sistema multimídia e método de processamento de dados multimídia | |
HK1149826A1 (en) | Tile-based system and method for compressing video | |
BRPI1009610A2 (pt) | sistema de multimidias e metodo de processamento de dados de multimida | |
BRPI0821283A2 (pt) | Método para representar fluxos de imagem de vídeo e sistema de gerenciamento cliente de pontos de extremidade | |
BRPI0914732A2 (pt) | método para recepção de fluxos de dados e método correspondente para transmissão | |
BRPI0916331A2 (pt) | métodos e sistema para promover o conteúdo de video em sítio de hospedagem de vídeos e produto de programa de computador | |
BR112012010381A2 (pt) | método de provisão de uma combinação entre dados de vídeo e metadados, sistema para a de provisão de uma combinação entre dados de vídeo e metadados, sinal, método de processamento de um sinal, sistema para o processamento de um sinal, e, programa de computador | |
GB0717473D0 (en) | Video processing system and method | |
HK1137843A1 (en) | Security system and its method | |
IL202774A0 (en) | System and method for providing multi-protocol access to remote computers | |
BRPI0916119A2 (pt) | "método de gerenciamento de conteúdo digital, primeiro dispositivo para gerenciamento de conteúdo digital, segundo dispositivo para gerenciamento de conteúdo digital e terceiro dispositivo para gerenciamento de conteúdo digital" | |
EP1857036A4 (en) | DEVICE AND SYSTEM TO BE INTRODUCED IN A SUBJECT | |
EP2223477A4 (en) | METHOD AND SYSTEM FOR CONTINUOUS DATA TRANSMISSION |
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 |
|
B07A | Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL |