CN1178518C - 压缩数据的方法和装置 - Google Patents

压缩数据的方法和装置 Download PDF

Info

Publication number
CN1178518C
CN1178518C CNB99801043XA CN99801043A CN1178518C CN 1178518 C CN1178518 C CN 1178518C CN B99801043X A CNB99801043X A CN B99801043XA CN 99801043 A CN99801043 A CN 99801043A CN 1178518 C CN1178518 C CN 1178518C
Authority
CN
China
Prior art keywords
data
compression
amount
picture
value
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.)
Expired - Fee Related
Application number
CNB99801043XA
Other languages
English (en)
Chinese (zh)
Other versions
CN1273748A (zh
Inventor
N
N·拜罗伊尔
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1273748A publication Critical patent/CN1273748A/zh
Application granted granted Critical
Publication of CN1178518C publication Critical patent/CN1178518C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • H04N21/23655—Statistical multiplexing, e.g. by controlling the encoder to alter its bitrate to optimize the bandwidth utilization
    • 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
    • H04N21/4344—Remultiplexing of multiplex streams, e.g. by modifying time stamps or remapping the packet identifiers
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
CNB99801043XA 1998-04-30 1999-04-22 压缩数据的方法和装置 Expired - Fee Related CN1178518C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98401053.8 1998-04-30
EP98401053 1998-04-30
EP98401721.0 1998-07-07
EP98401721 1998-07-07

Publications (2)

Publication Number Publication Date
CN1273748A CN1273748A (zh) 2000-11-15
CN1178518C true CN1178518C (zh) 2004-12-01

Family

ID=26151624

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB99801043XA Expired - Fee Related CN1178518C (zh) 1998-04-30 1999-04-22 压缩数据的方法和装置

Country Status (6)

Country Link
US (1) US6731812B2 (cg-RX-API-DMAC7.html)
EP (1) EP0992155A2 (cg-RX-API-DMAC7.html)
JP (1) JP2002506605A (cg-RX-API-DMAC7.html)
KR (1) KR100738239B1 (cg-RX-API-DMAC7.html)
CN (1) CN1178518C (cg-RX-API-DMAC7.html)
WO (1) WO1999057884A2 (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002209215A (ja) * 2001-01-09 2002-07-26 Sony Corp 符号量制御装置及び方法、並びに画像情報変換装置及び方法
HK1079886A1 (zh) * 2002-07-29 2006-04-13 高通股份有限公司 数字图像编码
US7558290B1 (en) * 2005-12-16 2009-07-07 Narus, Inc. Method and apparatus of data compression for computer networks
US8428125B2 (en) * 2006-12-22 2013-04-23 Qualcomm Incorporated Techniques for content adaptive video frame slicing and non-uniform access unit coding
EP2059049A1 (en) * 2007-11-07 2009-05-13 British Telecmmunications public limited campany Video coding
CN102917157A (zh) * 2012-10-19 2013-02-06 北京快联科技有限公司 一种基于人体视觉系统的图片压缩系统及方法
CN215636446U (zh) 2021-08-26 2022-01-25 威海电美世光机电有限公司 一种ak干燥区间的轴承供水结构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1091810A (en) * 1976-12-16 1980-12-16 Toshio Koga Predictive codec capable of selecting one of at least three prediction signals in two steps
EP0444918B1 (en) * 1990-02-28 1996-06-05 Victor Company Of Japan, Limited Data compression apparatus
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
US5440346A (en) * 1993-06-16 1995-08-08 Intel Corporation Mode selection for method and system for encoding images
EP0670663A1 (fr) 1994-03-02 1995-09-06 Laboratoires D'electronique Philips S.A.S. Procédé et dispositif de codage de signaux numériques représentatifs d'une séquence d'images
JP3115199B2 (ja) * 1994-12-16 2000-12-04 松下電器産業株式会社 画像圧縮符号化装置
FR2748623B1 (fr) * 1996-05-09 1998-11-27 Thomson Multimedia Sa Encodeur a debit variable
JP3053576B2 (ja) * 1996-08-07 2000-06-19 オリンパス光学工業株式会社 コードイメージデータ出力装置及び出力方法
US6115420A (en) * 1997-03-14 2000-09-05 Microsoft Corporation Digital video signal encoder and encoding method

Also Published As

Publication number Publication date
WO1999057884A2 (en) 1999-11-11
CN1273748A (zh) 2000-11-15
US6731812B2 (en) 2004-05-04
KR20010014321A (ko) 2001-02-26
US20030043906A1 (en) 2003-03-06
JP2002506605A (ja) 2002-02-26
WO1999057884A3 (en) 2000-01-13
KR100738239B1 (ko) 2007-07-13
EP0992155A2 (en) 2000-04-12

Similar Documents

Publication Publication Date Title
US7472151B2 (en) System and method for accelerating arithmetic decoding of video data
CN1223197C (zh) 用于数字视频记录的视频比特率控制方法和设备
CN103329524B (zh) 动态图像编码装置和动态图像编码方法
US5848195A (en) Selection of huffman tables for signal encoding
US6477211B2 (en) Transcoding of a data stream
CN1515118A (zh) 具有细粒度可调节性的视频编码器
CN1175853A (zh) 利用量化活动度控制比特产生数量的图像编码方法和装置
CA2407536A1 (en) Video and audio coding
JPH09154143A (ja) ビデオデータ圧縮方式
CN1315109A (zh) 用于改变像素值的图像处理电路及方法
KR100227298B1 (ko) 부호화 화상의 부호량 제어 방법
CN1273748A (zh) 数据压缩
CN1150765C (zh) 比特率改变方法及装置
KR20050020710A (ko) 부호화 장치 및 부호화 방법
JP2004166128A (ja) 画像情報の符号化方法、符号化装置及び符号化プログラム
CN1048477A (zh) 信号处理系统
CN1174636C (zh) 为图像序列编码和译码的方法及装置
CN1166208C (zh) 代码转换方法和设备
CN1185875C (zh) 可变码率的视频编码方法
US20090168891A1 (en) Method for controlling video encoding bit rate based on transport packet length, and apparatus for coding video using the same
RU2825247C2 (ru) Кодирование массива выборок для низкой задержки
JP3779066B2 (ja) 動画像符号化装置
US9253491B2 (en) Method and apparatus for transcoding a video signal
US7471723B2 (en) Error concealment and error resilience
JP2012023715A (ja) 符号量予測装置及びプログラム

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20041201