DE69524847D1 - Verfahren und Einrichtung zum Skalieren eines komprimierten Videobitstromes - Google Patents

Verfahren und Einrichtung zum Skalieren eines komprimierten Videobitstromes

Info

Publication number
DE69524847D1
DE69524847D1 DE69524847T DE69524847T DE69524847D1 DE 69524847 D1 DE69524847 D1 DE 69524847D1 DE 69524847 T DE69524847 T DE 69524847T DE 69524847 T DE69524847 T DE 69524847T DE 69524847 D1 DE69524847 D1 DE 69524847D1
Authority
DE
Germany
Prior art keywords
scaling
bit stream
compressed video
video bit
compressed
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 - Lifetime
Application number
DE69524847T
Other languages
English (en)
Other versions
DE69524847T2 (de
Inventor
Wilson Kwok
Huifang Sun
Joel Walter Zdepski
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
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 RCA Licensing Corp filed Critical RCA Licensing Corp
Application granted granted Critical
Publication of DE69524847D1 publication Critical patent/DE69524847D1/de
Publication of DE69524847T2 publication Critical patent/DE69524847T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/60—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)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69524847T 1994-11-04 1995-10-25 Verfahren und Einrichtung zum Skalieren eines komprimierten Videobitstromes Expired - Lifetime DE69524847T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/334,282 US5889561A (en) 1994-11-04 1994-11-04 Method and apparatus for scaling a compressed video bitstream

Publications (2)

Publication Number Publication Date
DE69524847D1 true DE69524847D1 (de) 2002-02-07
DE69524847T2 DE69524847T2 (de) 2002-09-26

Family

ID=23306476

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524847T Expired - Lifetime DE69524847T2 (de) 1994-11-04 1995-10-25 Verfahren und Einrichtung zum Skalieren eines komprimierten Videobitstromes

Country Status (7)

Country Link
US (1) US5889561A (de)
EP (1) EP0711079B1 (de)
JP (1) JP4454049B2 (de)
KR (1) KR100361722B1 (de)
CN (1) CN1099809C (de)
DE (1) DE69524847T2 (de)
MX (1) MX9504636A (de)

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US6633609B1 (en) * 1996-12-24 2003-10-14 Intel Corporation Method and apparatus for bit rate control in a digital video environment for arbitrary bandwidth
EP0963657B1 (de) 1997-02-25 2002-11-27 British Broadcasting Corporation Kompression von digitalen signalen mit verbesserter quantisierung
EP0899962A3 (de) * 1997-08-26 2000-11-08 Victor Company of Japan, Ltd. Vorrichtung zur Aufzeichnung eines digitalen Bildes
JPH11122624A (ja) 1997-10-16 1999-04-30 Matsushita Electric Ind Co Ltd ビデオデコーダ処理量を低減する方法および装置
KR100301826B1 (ko) * 1997-12-29 2001-10-27 구자홍 비디오디코더
CA2265089C (en) * 1998-03-10 2007-07-10 Sony Corporation Transcoding system using encoding history information
GB2335815B (en) * 1998-03-25 2002-02-27 Sony Uk Ltd Data compression
KR100304103B1 (ko) * 1998-05-29 2001-09-24 이계철 비트율이급변되는재양자화계단크기선택방법및그를이용한비트율제어방법
EP0971542A3 (de) * 1998-07-10 2001-08-01 Tektronix, Inc. Regeln von Bitraten bei Umschaltung zwischen komprimierten Videobitströmen
ES2569491T3 (es) 1999-02-09 2016-05-11 Sony Corporation Sistema de codificación y método asociado
US7593433B1 (en) * 1999-03-02 2009-09-22 Cisco Technology, Inc. System and method for multiple channel statistical re-multiplexing
US6721794B2 (en) * 1999-04-01 2004-04-13 Diva Systems Corp. Method of data management for efficiently storing and retrieving data to respond to user access requests
JP3807157B2 (ja) 1999-06-25 2006-08-09 日本ビクター株式会社 符号化装置及び符号化方法
DE19946263C2 (de) * 1999-09-27 2002-06-27 Harman Becker Automotive Sys Digitales Transcodiersystem
DE19946267C2 (de) * 1999-09-27 2002-09-26 Harman Becker Automotive Sys Digitales Transcodiersystem
JP2001145113A (ja) * 1999-11-17 2001-05-25 Sony Corp 画像情報変換装置及び方法
JP3694888B2 (ja) * 1999-12-03 2005-09-14 ソニー株式会社 復号装置および方法、符号化装置および方法、情報処理装置および方法、並びに記録媒体
GB2359438A (en) * 2000-02-21 2001-08-22 Snell & Wilcox Ltd Method of changing bit rate in accordance with user selected storage mode
US6839468B1 (en) * 2000-06-28 2005-01-04 International Business Machines Corporation Scaling of multi-dimensional data in a hybrid domain
AU2002215951A1 (en) * 2000-10-27 2002-05-06 Thomson Licensing S.A. Method and apparatus for preliminarily erasing parts of a bitstream recorded on a storage medium, and corresponding storage medium
US7058127B2 (en) * 2000-12-27 2006-06-06 International Business Machines Corporation Method and system for video transcoding
US6937770B1 (en) * 2000-12-28 2005-08-30 Emc Corporation Adaptive bit rate control for rate reduction of MPEG coded video
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
US6879725B2 (en) * 2001-01-26 2005-04-12 International Business Machine Corporation Method, system, and program for decoding a section from compressed data
CN1294757C (zh) * 2001-08-21 2007-01-10 北京威速科技有限公司 视频压缩码率控制方法
US6968091B2 (en) * 2001-09-18 2005-11-22 Emc Corporation Insertion of noise for reduction in the number of bits for variable-length coding of (run, level) pairs
KR100460950B1 (ko) * 2001-12-18 2004-12-09 삼성전자주식회사 트랜스코더 및 트랜스코딩 방법
US6700935B2 (en) * 2002-02-08 2004-03-02 Sony Electronics, Inc. Stream based bitrate transcoder for MPEG coded video
US7295610B2 (en) * 2002-03-27 2007-11-13 Scientific-Atlanta, Inc. Hybrid rate control in a digital stream transcoder
EP1554870A1 (de) * 2002-08-29 2005-07-20 Opentv, Inc. Verfahren und gerät zur auswahl einer kompression von video-eingangssignalen in
ES2309379T3 (es) 2002-11-15 2008-12-16 Qualcomm Incorporated Aparato y procedimiento para codificacion por multiples descripciones.
EP1942462B1 (de) * 2002-11-15 2009-04-15 Qualcomm Incorporated Vorrichtung und Verfahren zur Mehrfachbeschreibungskodierung
US7995849B2 (en) 2003-03-17 2011-08-09 Qualcomm, Incorporated Method and apparatus for improving video quality of low bit-rate video
JP4196726B2 (ja) * 2003-05-14 2008-12-17 ソニー株式会社 画像処理装置および画像処理方法、記録媒体、並びに、プログラム
US7133051B2 (en) 2003-09-19 2006-11-07 Microsoft Corporation Full scale video with overlaid graphical user interface and scaled image
JPWO2008117541A1 (ja) * 2007-03-28 2010-07-15 パナソニック株式会社 符号化レート変換装置および符号化レート変換方法
US9172960B1 (en) * 2010-09-23 2015-10-27 Qualcomm Technologies, Inc. Quantization based on statistics and threshold of luminanceand chrominance

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US5073209A (en) * 1987-09-16 1991-12-17 Giancola Dominic J Process embodiments for improving the electrical properties of conductors
JPH0828875B2 (ja) * 1989-08-21 1996-03-21 三菱電機株式会社 符号化装置および復号化装置
US5063608A (en) * 1989-11-03 1991-11-05 Datacube Inc. Adaptive zonal coder
EP0492528B1 (de) * 1990-12-27 1996-10-09 Kabushiki Kaisha Toshiba Aufzeichnungs- und Abspielgerät
EP0741497B1 (de) * 1991-02-21 1999-11-03 Nec Corporation Kodierungsgerät zur Kompression von bewegten Bilddaten
JP3189861B2 (ja) * 1992-11-13 2001-07-16 ソニー株式会社 動画像符号化装置および方法
KR930003757A (ko) * 1991-07-31 1993-02-24 오오가 노리오 영상 신호 전송 장치 및 방법
US5144424A (en) * 1991-10-15 1992-09-01 Thomson Consumer Electronics, Inc. Apparatus for video data quantization control
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JP2797159B2 (ja) * 1992-03-02 1998-09-17 カシオ計算機株式会社 画像データ圧縮装置及び画像データ圧縮方法
JP3093458B2 (ja) * 1992-07-23 2000-10-03 株式会社東芝 可変レート符・復号化装置
US5444575A (en) * 1994-01-21 1995-08-22 Hitachi America, Ltd. Method for recording digital data using a set of heads including a pair of co-located heads to record data at a rate lower than the full recording rate possible using the set of heads
US5426463A (en) * 1993-02-22 1995-06-20 Rca Thomson Licensing Corporation Apparatus for controlling quantizing in a video signal compressor
US5489943A (en) * 1994-02-14 1996-02-06 Sony Corporation One-pass adaptive bit rate control
US5500678A (en) * 1994-03-18 1996-03-19 At&T Corp. Optimized scanning of transform coefficients in video coding
US5541852A (en) * 1994-04-14 1996-07-30 Motorola, Inc. Device, method and system for variable bit-rate packet video communications
US5502493A (en) * 1994-05-19 1996-03-26 Matsushita Electric Corporation Of America Variable length data decoder for use with MPEG encoded video data

Also Published As

Publication number Publication date
EP0711079A2 (de) 1996-05-08
US5889561A (en) 1999-03-30
EP0711079A3 (de) 1999-02-03
CN1139351A (zh) 1997-01-01
JPH08214304A (ja) 1996-08-20
KR100361722B1 (ko) 2003-02-07
DE69524847T2 (de) 2002-09-26
JP4454049B2 (ja) 2010-04-21
EP0711079B1 (de) 2002-01-02
CN1099809C (zh) 2003-01-22
KR960020539A (ko) 1996-06-17
MX9504636A (es) 1997-02-28

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