BRPI0721178A2 - Método e sistema escolonável para extração de fluxo de bits - Google Patents
Método e sistema escolonável para extração de fluxo de bits Download PDFInfo
- Publication number
- BRPI0721178A2 BRPI0721178A2 BRPI0721178-3A BRPI0721178A BRPI0721178A2 BR PI0721178 A2 BRPI0721178 A2 BR PI0721178A2 BR PI0721178 A BRPI0721178 A BR PI0721178A BR PI0721178 A2 BRPI0721178 A2 BR PI0721178A2
- Authority
- BR
- Brazil
- Prior art keywords
- layer
- bit
- spatial
- refinement
- bits
- Prior art date
Links
- 238000000605 extraction Methods 0.000 title claims description 60
- 238000000034 method Methods 0.000 title claims description 37
- 230000002123 temporal effect Effects 0.000 claims description 36
- 239000000284 extract Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000006872 improvement Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000012913 prioritisation Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64784—Data processing by the network
- H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
-
- 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
- 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
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Description
Claims (10)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86806706P | 2006-11-30 | 2006-11-30 | |
US60/868,067 | 2006-11-30 | ||
US11/752,567 US8170094B2 (en) | 2006-11-30 | 2007-05-23 | Method and system for scalable bitstream extraction |
US11/752,567 | 2007-05-23 | ||
PCT/US2007/082182 WO2008067081A2 (en) | 2006-11-30 | 2007-10-23 | Method and system for scalable bitstream extraction |
Publications (3)
Publication Number | Publication Date |
---|---|
BRPI0721178A2 true BRPI0721178A2 (pt) | 2014-03-18 |
BRPI0721178A8 BRPI0721178A8 (pt) | 2019-01-22 |
BRPI0721178B1 BRPI0721178B1 (pt) | 2020-02-04 |
Family
ID=39431237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0721178A BRPI0721178B1 (pt) | 2006-11-30 | 2007-10-23 | método para a extração de fluxo de bits escalonável e sistema de compressão de vídeo escalonável |
Country Status (7)
Country | Link |
---|---|
US (1) | US8170094B2 (pt) |
EP (1) | EP2084907B1 (pt) |
KR (1) | KR101032243B1 (pt) |
CN (1) | CN101569195B (pt) |
BR (1) | BRPI0721178B1 (pt) |
MX (1) | MX2009005590A (pt) |
WO (1) | WO2008067081A2 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101322392B1 (ko) * | 2006-06-16 | 2013-10-29 | 삼성전자주식회사 | 스케일러블 코덱의 부호화 및 복호화 방법 및 장치 |
KR100937590B1 (ko) * | 2007-10-23 | 2010-01-20 | 한국전자통신연구원 | 다중 품질 서비스 영상 콘텐츠 제공 시스템 및 그것의업그레이드 방법 |
CN101686383B (zh) * | 2008-09-23 | 2013-05-01 | Utc消防和保安美国有限公司 | 通过网络传输媒体的方法及系统 |
KR100970388B1 (ko) * | 2008-10-31 | 2010-07-15 | 한국전자통신연구원 | 네트워크 흐름기반 스케일러블 비디오 코딩 적응 장치 및 그 방법 |
US20100135395A1 (en) * | 2008-12-03 | 2010-06-03 | Marc Paul Servais | Efficient spatio-temporal video up-scaling |
US8878855B2 (en) * | 2009-08-13 | 2014-11-04 | Liveclicker, Inc. | Video in e-mail |
US20150138300A1 (en) * | 2011-09-02 | 2015-05-21 | Microsoft Technology Licensing, Llc | Mobile Video Calls |
KR20140092198A (ko) | 2013-01-07 | 2014-07-23 | 한국전자통신연구원 | 계층적 비디오 부호화에서의 스케일러빌리티 정보 표현방식 |
US10284858B2 (en) * | 2013-10-15 | 2019-05-07 | Qualcomm Incorporated | Support of multi-mode extraction for multi-layer video codecs |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6961383B1 (en) * | 2000-11-22 | 2005-11-01 | At&T Corp. | Scalable video encoder/decoder with drift control |
US6925501B2 (en) * | 2001-04-17 | 2005-08-02 | General Instrument Corporation | Multi-rate transcoder for digital streams |
US6925120B2 (en) * | 2001-09-24 | 2005-08-02 | Mitsubishi Electric Research Labs, Inc. | Transcoder for scalable multi-layer constant quality video bitstreams |
US7042942B2 (en) | 2001-12-21 | 2006-05-09 | Intel Corporation | Zigzag in-order for image/video encoder and decoder |
CN1843035A (zh) * | 2003-08-26 | 2006-10-04 | 三星电子株式会社 | 使用预解码器的可伸缩视频编码方法和设备 |
US20050097168A1 (en) | 2003-10-31 | 2005-05-05 | Debargha Mukherjee | Communications methods, communications session organizers, communications session participants, articles of manufacture, and communications systems |
KR100834749B1 (ko) * | 2004-01-28 | 2008-06-05 | 삼성전자주식회사 | 스케일러블 비디오 스트림 재생장치 및 그 방법 |
KR100736086B1 (ko) * | 2005-09-06 | 2007-07-06 | 삼성전자주식회사 | 엔트로피 코딩의 성능 향상 방법 및 장치, 상기 방법을이용한 비디오 코딩 방법 및 장치 |
-
2007
- 2007-05-23 US US11/752,567 patent/US8170094B2/en active Active
- 2007-10-23 BR BRPI0721178A patent/BRPI0721178B1/pt active IP Right Grant
- 2007-10-23 KR KR1020097010837A patent/KR101032243B1/ko active IP Right Grant
- 2007-10-23 WO PCT/US2007/082182 patent/WO2008067081A2/en active Application Filing
- 2007-10-23 EP EP07854312.1A patent/EP2084907B1/en active Active
- 2007-10-23 MX MX2009005590A patent/MX2009005590A/es active IP Right Grant
- 2007-10-23 CN CN2007800441962A patent/CN101569195B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2084907A2 (en) | 2009-08-05 |
KR101032243B1 (ko) | 2011-05-02 |
BRPI0721178B1 (pt) | 2020-02-04 |
EP2084907B1 (en) | 2020-12-02 |
WO2008067081A3 (en) | 2008-08-14 |
MX2009005590A (es) | 2009-06-08 |
WO2008067081A2 (en) | 2008-06-05 |
CN101569195B (zh) | 2011-06-22 |
CN101569195A (zh) | 2009-10-28 |
US8170094B2 (en) | 2012-05-01 |
KR20090085636A (ko) | 2009-08-07 |
BRPI0721178A8 (pt) | 2019-01-22 |
US20080130757A1 (en) | 2008-06-05 |
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Owner name: MOTOROLA MOBILITY, INC. (US) Free format text: INDEFERIDO O PEDIDO DE ALTERACAO DE NOME CONTIDO NA PETICAO 20130041733 DE 16/05/2013, DEVIDO A AUSENCIA DE GUIA DE RECOLHIMENTO RELATIVA AO SERVICO. |
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B25D | Requested change of name of applicant approved |
Owner name: MOTOROLA MOBILITY LLC (US) |
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B25A | Requested transfer of rights approved |
Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC (US) |
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B15K | Others concerning applications: alteration of classification |
Ipc: H04N 21/647 (2011.01), H04N 19/31 (2014.01), H04N |
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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] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
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