KR970701984A - 가변적인 비트율 압축 시스템에서의 버퍼 매니지먼트(Buffer management in variable bit-rate compression systems) - Google Patents

가변적인 비트율 압축 시스템에서의 버퍼 매니지먼트(Buffer management in variable bit-rate compression systems) Download PDF

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KR970701984A
KR970701984A KR1019960704805A KR19960704805A KR970701984A KR 970701984 A KR970701984 A KR 970701984A KR 1019960704805 A KR1019960704805 A KR 1019960704805A KR 19960704805 A KR19960704805 A KR 19960704805A KR 970701984 A KR970701984 A KR 970701984A
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요한 키스만 게리트
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필립스 일렉트로닉스 엔.브이.
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    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/146—Data rate or code amount at the encoder output
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    • H04N19/184—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 bits, e.g. of the compressed video stream
    • H—ELECTRICITY
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    • 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
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
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    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
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Abstract

압축 방법은 인코더 버퍼와 디코더 버퍼 사이의 디지털 비디오 신호의 전송을 위해 제공된다. 동조 가능한 지연은 인코더 버퍼 메모리의 일부분의 형태로 인코더에 제공되며, 데이터는 미리 정해진 프레임 주기 후에 수신된 신호의 입력 비트율에 의해 정해지는 레이트에서 통신 채널로 판독된다.

Description

가변적인 비트율 압축 시스템에서 버퍼 매니지먼트(Buffer management in variable bit-rate compression systems)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 MPEG 스탠더드에 따라 부호화된 일련의 이미지 프레임,
제2도는 본 발명을 구체화하는 인코더 장치의 일부의 블록도,
제3도는 디코더 버퍼 사용과 관련한 제2도의 장치의 인코더 버퍼의 사용을 나타내는 도면,
제4도는 시간에 대한 디코더 버퍼 충만도에서의 증가를 나타내는 도면,
제5도는 본 발명을 구체화하는 제3도의 수정도.

Claims (8)

  1. 이미지 프레임 마다 데이터 비트의 가변수를 가지는 부호화된 디지털 비디오 신호의 전송을 위한 압축 방법에 있어서, a) 부호화된 디지털 비디오 신호 비트 스트림의 제1비트율을 검출하는 단계, b) 제1비트율에서 버퍼에 신호 비트 스트림을 순차적으로 기록하는 단계, c) 상기 제1비트율의 백분율로서 제2비트율, 제1비트율에서의 변경에 역으로 관계하는 변경을 유도하는 단계, d) 제2비트율에서 버퍼로부터 비트 스트림을 판독하는 단계를 포함하는 것을 특징으로 하는 압축 방법.
  2. 제1항에 있어서, 제1비트율의 지정된 범위에 대해 제2비트율이 최대의 제1의비트율 값에서 제1비트율에 일치하는 것을 특징으로 하는 압축 방법.
  3. 제1항 또는 제2항에 있어서, 하나 또는 다수의 프레임의 연속적인 그룹화가 저장되고, 및 제2비트율이 프레임의 비트율로부터 유도되거나 또는 계속되는 그룹화의 제1프레임의 비트율이 검출될 때까지 같도록 유지되는 것을 특징으로 하는 압축 방법.
  4. 제3항에 있어서, MPEG 스탠더드에 따라 부호화된 신호에 대해 제1의 그룹화가 I-화상에 할당되고 제2그룹화가 다른 형식의 이미지에 할당되는 것을 특징으로 하는 압축 방법.
  5. 미리 정해진 부호화 표에 의해 수신된 비디오 신호를 부호화하여 가변의 비트율 데이터 스트림으로서 신호를 출력할 수 있도록 동작하는 인코더 스테이지 및 이 인코더로부터 상기 가변적인 비트율 데이터 스트림을 수신하여 결합되며 또한 전송을 위해 데이터 신호를 출력하기 위해 배열되는 버퍼를 포함하는, 전송을 위해 디지털 비디오 신호를 복호화 할 수 있는 비디오 신호 인코딩 장치에 있어서, 상기 가변적인 비트율 데이터 스트림의 비트율을 검출하며, 인코더 스테이지 출력 비트율의 백분율로서 제2비트율을 유도하는 이 백분율이 인코더 스테이지 출력 레이트의 변경과의 역관계로 변하며, 및 상기 제2비트율에서 버퍼 출력 데이터 신호 비트율을 제어하도록 작동될 수 있는 수단을 더 포함하는 것을 특징으로 하는 장치.
  6. 제5항에 있어서, 이 인코더 스테이지가 MPEG 스탠더드에 따라 수신된 비디오 신호를 부호화하도록 설계되어 있는 것을 특징으로 하는 장치.
  7. 제5항에 있어서, 인코더 스테이지 출력 비트율을 검출하도록 작동할 수 있는 수단이 비트율 값의 다수의 인접하는 범위를 지정하며 및 이 범위의 첫 번째 하나로 인코더 출력 비트율 값을 먼저 검출할 때, 이 범위의 다른 것 내에서 비트율이 검출될 때까지 상기 유도된 제2비트율을 일정하게 유지되도록 설계되어 있는 것을 특징으로 하는 장치.
  8. 비디오 이미지 프레임의 시퀀스에 대해 부호화된 데이터의 비트 스트림을 포함하는, 제1항의 방법에 의해 압축되는 부호화된 디지털 비디오 신호에 있어서, 이 신호의 순간의 비트율은 n이 상기 비트 밀도로 정해지는 n프레임 후에 이미지 프레임의 비트 밀도와 역관계에 있는 것을 특징으로 하는 부호화된 디지털 비디오 신호.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960704805A 1994-12-28 1995-12-04 가변비트-레이트압축방법및비디오신호인코딩장치 KR100407085B1 (ko)

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Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2307151A (en) * 1995-11-10 1997-05-14 British Broadcasting Corp Digital coding of video signals
GB9607162D0 (en) * 1996-04-04 1996-06-12 Digi Media Vision Ltd Improvements in or relating to the transmission of data
FR2748623B1 (fr) 1996-05-09 1998-11-27 Thomson Multimedia Sa Encodeur a debit variable
US6011590A (en) * 1997-01-03 2000-01-04 Ncr Corporation Method of transmitting compressed information to minimize buffer space
US6023233A (en) * 1998-03-20 2000-02-08 Craven; Peter G. Data rate control for variable rate compression systems
WO2000060872A1 (fr) * 1999-03-31 2000-10-12 Matsushita Electric Industrial Co., Ltd. Procede et dispositif de decodage continu de flux video comprenant des sequences de donnees ayant des frequences de trame differentes
JP4063508B2 (ja) * 2001-07-04 2008-03-19 日本電気株式会社 ビットレート変換装置およびビットレート変換方法
KR100420601B1 (ko) * 2001-11-22 2004-03-02 에스케이 텔레콤주식회사 비디오 데이터 스트리밍 서비스 방법
FR2835996A1 (fr) * 2002-02-12 2003-08-15 Koninkl Philips Electronics Nv Procede d'encodage d'une sequence d'images numeriques
US7418037B1 (en) * 2002-07-15 2008-08-26 Apple Inc. Method of performing rate control for a compression system
US7769084B1 (en) 2002-07-15 2010-08-03 Apple Inc. Method for implementing a quantizer in a multimedia compression and encoding system
US7940843B1 (en) * 2002-12-16 2011-05-10 Apple Inc. Method of implementing improved rate control for a multimedia compression and encoding system
US7804897B1 (en) 2002-12-16 2010-09-28 Apple Inc. Method for implementing an improved quantizer in a multimedia compression and encoding system
CN100568964C (zh) 2003-02-18 2009-12-09 诺基亚有限公司 图像解码方法
RU2375839C2 (ru) * 2003-02-18 2009-12-10 Нокиа Корпорейшн Способ кодирования изображений
US8428117B2 (en) * 2003-04-24 2013-04-23 Fujitsu Semiconductor Limited Image encoder and image encoding method
US7535959B2 (en) 2003-10-16 2009-05-19 Nvidia Corporation Apparatus, system, and method for video encoder rate control
US20050201471A1 (en) 2004-02-13 2005-09-15 Nokia Corporation Picture decoding method
US7296205B2 (en) 2004-02-18 2007-11-13 Nokia Corporation Data repair
KR100678891B1 (ko) * 2004-07-30 2007-02-05 삼성전자주식회사 Ａｖ데이터 수신시 버퍼량을 컨텐츠 속성에 따라탄력적으로 조절하는 방법 및 장치
US9124907B2 (en) 2004-10-04 2015-09-01 Nokia Technologies Oy Picture buffering method
DE102006034414B4 (de) * 2006-07-25 2010-12-09 Nokia Siemens Networks Gmbh & Co.Kg Anordnung und Verfahren zur Dekodierung von digitalen Daten
US8184692B2 (en) * 2006-09-25 2012-05-22 Framecaster, Inc. Distributed and automated video encoding and delivery system
US8229245B2 (en) * 2006-10-10 2012-07-24 Zoran (France) Method and apparatus for spatio-temporal subband video enhancement with small time delay
US8578045B2 (en) * 2007-02-14 2013-11-05 Microsoft Corporation Adaptive bandwidth utilization
EP2129130A1 (fr) * 2008-05-26 2009-12-02 THOMSON Licensing Procédé de transmission simplifié d'un flux de signaux entre un émetteur et un appareil électronique
US9009337B2 (en) 2008-12-22 2015-04-14 Netflix, Inc. On-device multiplexing of streaming media content
US9014545B2 (en) 2009-07-24 2015-04-21 Netflix, Inc. Adaptive streaming for digital content distribution
US8631455B2 (en) 2009-07-24 2014-01-14 Netflix, Inc. Adaptive streaming for digital content distribution
RU2534370C2 (ru) 2010-05-06 2014-11-27 Ниппон Телеграф Энд Телефон Корпорейшн Способ и устройство управления кодированием видео
CA2798012A1 (en) * 2010-05-07 2011-11-10 Nippon Telegraph And Telephone Corporation Video encoding to prevent decoder buffer underflow by re-encoding selected pictures in a video sequence using a retry count or a retry point
JP5286581B2 (ja) 2010-05-12 2013-09-11 日本電信電話株式会社 動画像符号化制御方法，動画像符号化装置および動画像符号化プログラム
KR102244612B1 (ko) 2014-04-21 2021-04-26 삼성전자주식회사 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법
KR102264161B1 (ko) 2014-08-21 2021-06-11 삼성전자주식회사 이미지 처리 장치, 이미지 처리 시스템, 이미지 처리 시스템의 동작방법 및 이미지 처리 시스템을 포함하는 시스템 온 칩
WO2021252548A1 (en) * 2020-06-08 2021-12-16 Sky Peak Technologies, Inc. Content shaping and routing in a network

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231492A (en) * 1989-03-16 1993-07-27 Fujitsu Limited Video and audio multiplex transmission system
FR2653953A1 (fr) * 1989-10-27 1991-05-03 Philips Electronique Lab Dispositif de codage comportant un codeur a mots de longueur variable et dispositif de decodage associe.
US5134476A (en) * 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
GB9012538D0 (en) * 1990-06-05 1990-07-25 Philips Nv Coding of video signals
US5038209A (en) * 1990-09-27 1991-08-06 At&T Bell Laboratories Adaptive buffer/quantizer control for transform video coders
JP3187852B2 (ja) * 1991-02-08 2001-07-16 ソニー株式会社 高能率符号化方法
US5159447A (en) * 1991-05-23 1992-10-27 At&T Bell Laboratories Buffer control for variable bit-rate channel
CA2068751C (en) * 1991-05-24 1998-05-19 Tokumichi Murakami Image coding system
WO1993015571A1 (en) * 1992-01-29 1993-08-05 Bell Communications Research, Inc. Smoothing delay-sensitive traffic offered to atm networks
US5241383A (en) * 1992-05-13 1993-08-31 Bell Communications Research, Inc. Pseudo-constant bit rate video coding with quantization parameter adjustment
JP3164647B2 (ja) * 1992-06-03 2001-05-08 株式会社東芝 動画像符号化方法及び装置
US5287182A (en) * 1992-07-02 1994-02-15 At&T Bell Laboratories Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks
US5426463A (en) * 1993-02-22 1995-06-20 Rca Thomson Licensing Corporation Apparatus for controlling quantizing in a video signal compressor
US5410355A (en) * 1993-04-02 1995-04-25 Rca Thomson Licensing Corporation Video signal processor including input codeword buffer for providing stored codewords to codeword priority analysis circuit
CN1125031A (zh) * 1993-04-16 1996-06-19 数据翻译公司 采用可变量化的自适应视频压缩
US5561466A (en) * 1993-06-23 1996-10-01 Nec Corporation Video and audio data multiplexing into ATM cells with no dummy cell used and ATM cell demultiplexing
US5461619A (en) * 1993-07-06 1995-10-24 Zenith Electronics Corp. System for multiplexed transmission of compressed video and auxiliary data
JPH0730589A (ja) * 1993-07-06 1995-01-31 Canon Inc データ送信装置
JP3224465B2 (ja) * 1993-12-22 2001-10-29 シャープ株式会社 画像符号化装置
JPH07202820A (ja) * 1993-12-28 1995-08-04 Matsushita Electric Ind Co Ltd ビットレート制御システム
JPH07212710A (ja) * 1994-01-21 1995-08-11 Hitachi Ltd 画像送信方法および画像送信装置および画像受信方法および画像受信装置および可変速度対応蓄積装置
US5563961A (en) * 1994-03-03 1996-10-08 Radius Inc. Video data compression method and system which measures compressed data storage time to optimize compression rate
US5566208A (en) * 1994-03-17 1996-10-15 Philips Electronics North America Corp. Encoder buffer having an effective size which varies automatically with the channel bit-rate
US5541852A (en) * 1994-04-14 1996-07-30 Motorola, Inc. Device, method and system for variable bit-rate packet video communications
US5506844A (en) * 1994-05-20 1996-04-09 Compression Labs, Inc. Method for configuring a statistical multiplexer to dynamically allocate communication channel bandwidth
US5534944A (en) * 1994-07-15 1996-07-09 Matsushita Electric Corporation Of America Method of splicing MPEG encoded video
US5606369A (en) 1994-12-28 1997-02-25 U.S. Philips Corporation Buffering for digital video signal encoders using joint bit-rate control

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CN1115055C (zh) 2003-07-16
EP0753235B1 (en) 2000-07-12
CN1145154A (zh) 1997-03-12
WO1996020575A2 (en) 1996-07-04
ES2150013T3 (es) 2000-11-16
ATE194742T1 (de) 2000-07-15
TW295765B (ko) 1997-01-11
EP0753235A1 (en) 1997-01-15
WO1996020575A3 (en) 1996-09-06
US20050100094A1 (en) 2005-05-12
DE69517966D1 (de) 2000-08-17
KR100407085B1 (ko) 2004-03-20
US6944221B1 (en) 2005-09-13
DE69517966T2 (de) 2001-02-15

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