CN1173263A - 用于数字编码视频节目的装置 - Google Patents

用于数字编码视频节目的装置 Download PDF

Info

Publication number
CN1173263A
CN1173263A CN 95197330 CN95197330A CN1173263A CN 1173263 A CN1173263 A CN 1173263A CN 95197330 CN95197330 CN 95197330 CN 95197330 A CN95197330 A CN 95197330A CN 1173263 A CN1173263 A CN 1173263A
Authority
CN
China
Prior art keywords
frame
programmable
data rate
encoder
comparator
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.)
Pending
Application number
CN 95197330
Other languages
English (en)
Chinese (zh)
Inventor
让一米切尔·玛森
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.)
Nortel Networks France SAS
Original Assignee
Matra Communication 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 Matra Communication SA filed Critical Matra Communication SA
Publication of CN1173263A publication Critical patent/CN1173263A/zh
Pending 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
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
    • H04N19/60—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN 95197330 1994-12-13 1995-12-12 用于数字编码视频节目的装置 Pending CN1173263A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9414986A FR2728130A1 (fr) 1994-12-13 1994-12-13 Dispositif de codage numerique de programme video
FR94/14986 1994-12-13

Publications (1)

Publication Number Publication Date
CN1173263A true CN1173263A (zh) 1998-02-11

Family

ID=9469758

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95197330 Pending CN1173263A (zh) 1994-12-13 1995-12-12 用于数字编码视频节目的装置

Country Status (6)

Country Link
EP (1) EP0800746A1 (enrdf_load_stackoverflow)
CN (1) CN1173263A (enrdf_load_stackoverflow)
AU (1) AU4350096A (enrdf_load_stackoverflow)
CA (1) CA2207447A1 (enrdf_load_stackoverflow)
FR (1) FR2728130A1 (enrdf_load_stackoverflow)
WO (1) WO1996019080A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6661840B1 (en) * 1999-04-23 2003-12-09 Sony Corporation Image encoder and method of the same
GB0921831D0 (en) 2009-12-14 2010-01-27 British Telecomm Graphical data delivery
GB201000738D0 (en) 2010-01-18 2010-03-03 British Telecomm Graphical data processing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0556275A (ja) * 1990-08-30 1993-03-05 Sharp Corp 画像符号化装置及び画像復号装置
DE69126512T2 (de) * 1990-12-28 1997-11-06 Canon Kk Bildcodierungsgerät mit Optimierung der erzeugten Codemenge
KR930003757A (ko) * 1991-07-31 1993-02-24 오오가 노리오 영상 신호 전송 장치 및 방법

Also Published As

Publication number Publication date
CA2207447A1 (fr) 1996-06-20
EP0800746A1 (fr) 1997-10-15
AU4350096A (en) 1996-07-03
FR2728130A1 (fr) 1996-06-14
FR2728130B1 (enrdf_load_stackoverflow) 1997-02-14
WO1996019080A1 (fr) 1996-06-20

Similar Documents

Publication Publication Date Title
JP3419497B2 (ja) ビット固定のための映像圧縮方法と伸張方法及びその装置
US5434623A (en) Method and apparatus for image data compression using combined luminance/chrominance coding
CN1726709B (zh) 用于对未压缩数字视频序列的图像进行编码的方法和装置
CA2014943C (en) Entropy encoder/decoder including a context extractor
US6192154B1 (en) Two-pass encoding method of digital motion video sequences for constant-or variable bit rate
KR101118456B1 (ko) 에러복구를 위한 대체 참조프레임을 이용한 비디오 압축방법
CN101185337B (zh) 具有预见的准恒定质量速率控制
EP0677969B1 (en) Moving picture coding method and an apparatus therefor
US20010001016A1 (en) Method for computational graceful degradation in an audiovisual compression system
KR100188934B1 (ko) 영상 신호 부호화 장치 및 방법
GB2309611A (en) A motion video compression system with buffer empty/fill look-ahead bit allocation
CN1575603A (zh) 使用自适应内容过滤的空间可缩放压缩方案
CN101404767A (zh) 一种基于图像分析及人工智能的可变参数的自动化视频转码方法
EP2041984A1 (en) Method and apparatus for adapting a default encoding of a digital video signal during a scene change period
CN110896483A (zh) 压缩和解压缩图像数据的方法
EP1032212A2 (en) Transcoder, transcoding system, and recording medium
US7864840B2 (en) Scene-by-scene digital video processing
US6574368B1 (en) Image processing method, image processing apparatus and data storage media
KR100950525B1 (ko) 트랜스코딩 장치 및 방법, 이에 사용되는 타겟비트할당 및픽처 복잡도 예측 장치 및 방법
US6549671B1 (en) Picture data encoding apparatus with bit amount adjustment
CN1173263A (zh) 用于数字编码视频节目的装置
US6463179B1 (en) Image compression and decompression based on a flat pixel group level, group pixel coorindinate positions, and the number of pixels for the group
CN1171017A (zh) 对数字视频信号编码的方法和装置
Westen et al. Adaptive spatial noise shaping for DCT based image compression
KR100319916B1 (ko) 계층구조를갖는스케일러블디지탈화상압축/복원방법및장치

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication