SG43051A1 - A transcoder - Google Patents

A transcoder

Info

Publication number
SG43051A1
SG43051A1 SG1996003023A SG1996003023A SG43051A1 SG 43051 A1 SG43051 A1 SG 43051A1 SG 1996003023 A SG1996003023 A SG 1996003023A SG 1996003023 A SG1996003023 A SG 1996003023A SG 43051 A1 SG43051 A1 SG 43051A1
Authority
SG
Singapore
Prior art keywords
transcoder
Prior art date
Application number
SG1996003023A
Other languages
English (en)
Inventor
Michael Erling Nilsson
David Geoffrey Morrison
Mohammed Ghanbari
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Priority to SG1996003023A priority Critical patent/SG43051A1/en
Priority to GB9414579A priority patent/GB9414579D0/en
Priority claimed from GB9414579A external-priority patent/GB9414579D0/en
Priority to ES95915946T priority patent/ES2145273T3/es
Priority to AU22637/95A priority patent/AU696085B2/en
Priority to NZ284127A priority patent/NZ284127A/en
Priority to NZ329781A priority patent/NZ329781A/en
Priority to JP52745895A priority patent/JP3614857B2/ja
Priority to CA002187793A priority patent/CA2187793C/fr
Priority to DE69515997T priority patent/DE69515997T2/de
Priority to EP95915946A priority patent/EP0756803B1/fr
Priority to CN95192691A priority patent/CN1090425C/zh
Priority to PCT/GB1995/000906 priority patent/WO1995029561A1/fr
Publication of SG43051A1 publication Critical patent/SG43051A1/en

Links

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
    • H04N19/40—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/223—Analysis of motion using block-matching
    • G06T7/231—Analysis of motion using block-matching using full search
    • 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
    • H04N19/51—Motion estimation or motion compensation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Prostheses (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
SG1996003023A 1994-04-21 1994-04-21 A transcoder SG43051A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SG1996003023A SG43051A1 (en) 1994-04-21 1994-04-21 A transcoder
GB9414579A GB9414579D0 (fr) 1994-04-21 1994-07-19
PCT/GB1995/000906 WO1995029561A1 (fr) 1994-04-21 1995-04-21 Transcodeur
NZ284127A NZ284127A (en) 1994-04-21 1995-04-21 Video signal decoder: motion vectors bypass decoding and encoding stages to avoid their recalculation
AU22637/95A AU696085B2 (en) 1994-04-21 1995-04-21 A transcoder
ES95915946T ES2145273T3 (es) 1994-04-21 1995-04-21 Transcodificador.
NZ329781A NZ329781A (en) 1994-04-21 1995-04-21 Video transcoder with compensation for drift between transcoder input and output
JP52745895A JP3614857B2 (ja) 1994-04-21 1995-04-21 変換符号化器
CA002187793A CA2187793C (fr) 1994-04-21 1995-04-21 Transcodeur
DE69515997T DE69515997T2 (de) 1994-04-21 1995-04-21 Transkodierer
EP95915946A EP0756803B1 (fr) 1994-04-21 1995-04-21 Transcodeur
CN95192691A CN1090425C (zh) 1994-04-21 1995-04-21 一种编码转换器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP94302829 1994-04-21
SG1996003023A SG43051A1 (en) 1994-04-21 1994-04-21 A transcoder
GB9414579A GB9414579D0 (fr) 1994-04-21 1994-07-19
PCT/GB1995/000906 WO1995029561A1 (fr) 1994-04-21 1995-04-21 Transcodeur

Publications (1)

Publication Number Publication Date
SG43051A1 true SG43051A1 (en) 1997-10-17

Family

ID=27236117

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996003023A SG43051A1 (en) 1994-04-21 1994-04-21 A transcoder

Country Status (10)

Country Link
EP (1) EP0756803B1 (fr)
JP (1) JP3614857B2 (fr)
CN (1) CN1090425C (fr)
AU (1) AU696085B2 (fr)
CA (1) CA2187793C (fr)
DE (1) DE69515997T2 (fr)
ES (1) ES2145273T3 (fr)
NZ (2) NZ284127A (fr)
SG (1) SG43051A1 (fr)
WO (1) WO1995029561A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0893027B1 (fr) * 1996-04-12 2004-08-25 Imedia Corporation Système de distribution de vidéo comprimé, ayant un multiplexeur statistique avec des transcodeurs
GB9611511D0 (en) * 1996-06-03 1996-08-07 Digi Media Vision Ltd Improvements in or relating to the bit-rate of a signal
SE515535C2 (sv) * 1996-10-25 2001-08-27 Ericsson Telefon Ab L M En transkoder
CN1236527A (zh) * 1997-07-22 1999-11-24 皇家菲利浦电子有限公司 在视频序列之间进行切换的方法及相应的装置
US6625320B1 (en) 1997-11-27 2003-09-23 British Telecommunications Public Limited Company Transcoding
US6775325B1 (en) * 1998-10-07 2004-08-10 Sarnoff Corporation Method and apparatus for converting the bitrate of an encoded bitstream without full re-encoding
US6532593B1 (en) * 1999-08-17 2003-03-11 General Instrument Corporation Transcoding for consumer set-top storage application
US6441754B1 (en) 1999-08-17 2002-08-27 General Instrument Corporation Apparatus and methods for transcoder-based adaptive quantization
WO2001039502A1 (fr) * 1999-11-23 2001-05-31 Koninklijke Philips Electronics N.V. Commutation sans coupure de flots video mpeg
US6847406B2 (en) * 2000-12-06 2005-01-25 Koninklijke Philips Electronics N.V. High quality, cost-effective film-to-video converter for high definition television
EP1442599A1 (fr) * 2001-10-29 2004-08-04 Koninklijke Philips Electronics N.V. Compression
WO2004040914A1 (fr) * 2002-11-01 2004-05-13 Nokia Corporation Procede et dispositif pour transcoder des images
US20050111545A1 (en) 2003-11-25 2005-05-26 Ram Prabhakar Dynamic packet size control for MPEG-4 data partition mode
JP4534935B2 (ja) * 2005-10-04 2010-09-01 株式会社日立製作所 トランスコーダ、記録装置及びトランスコード方法
US7966361B1 (en) 2006-02-10 2011-06-21 Nvidia Corporation Single-cycle modulus operation
US8705630B2 (en) * 2006-02-10 2014-04-22 Nvidia Corporation Adapting one type of encoder to another type of encoder
JP5022812B2 (ja) 2007-08-06 2012-09-12 ザインエレクトロニクス株式会社 画像信号処理装置
JP5709492B2 (ja) * 2010-12-01 2015-04-30 三菱電機株式会社 画像符号化方式変換装置および画像符号化方式変換プログラム
CN106231315B (zh) * 2016-08-05 2019-06-14 北京数码视讯科技股份有限公司 一种视频编码系统和应用该系统的视频编码方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253244A (en) * 1980-07-16 1993-10-12 Discovision Associates System for recording digital information in a pulse-length modulation format
JPS57166640A (en) * 1981-04-03 1982-10-14 Hitachi Ltd Data transmission converting system of buffer device
NL8402411A (nl) * 1984-08-02 1986-03-03 Philips Nv Inrichting voor het korrigeren en maskeren van fouten in een informatiestroom, en weergeeftoestel voor het weergeven van beeld en/of geluid voorzien van zo een inrichting.
JPH04192080A (ja) * 1990-11-27 1992-07-10 Mitsubishi Electric Corp 画像メモリ装置及び画像データ処理方法
NL9301358A (nl) * 1993-08-04 1995-03-01 Nederland Ptt Transcodeerinrichting.
US5537440A (en) * 1994-01-07 1996-07-16 Motorola, Inc. Efficient transcoding device and method

Also Published As

Publication number Publication date
AU2263795A (en) 1995-11-16
CA2187793C (fr) 2000-05-30
ES2145273T3 (es) 2000-07-01
NZ284127A (en) 1998-04-27
DE69515997D1 (de) 2000-05-04
CN1090425C (zh) 2002-09-04
EP0756803B1 (fr) 2000-03-29
EP0756803A1 (fr) 1997-02-05
WO1995029561A1 (fr) 1995-11-02
NZ329781A (en) 1999-10-28
DE69515997T2 (de) 2000-11-02
CN1146840A (zh) 1997-04-02
JP3614857B2 (ja) 2005-01-26
JPH09512395A (ja) 1997-12-09
AU696085B2 (en) 1998-09-03
CA2187793A1 (fr) 1995-11-02

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