CA2204219C - Video transcoding with interim encoding format - Google Patents

Video transcoding with interim encoding format Download PDF

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Publication number
CA2204219C
CA2204219C CA002204219A CA2204219A CA2204219C CA 2204219 C CA2204219 C CA 2204219C CA 002204219 A CA002204219 A CA 002204219A CA 2204219 A CA2204219 A CA 2204219A CA 2204219 C CA2204219 C CA 2204219C
Authority
CA
Canada
Prior art keywords
format
encoding
data
high level
level
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
CA002204219A
Other languages
English (en)
French (fr)
Other versions
CA2204219A1 (en
Inventor
Christina K. Liu
Judith A. Goldstein
Yung D. Nguyen
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.)
Intel Corp
Original Assignee
Intel 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 Intel Corp filed Critical Intel Corp
Publication of CA2204219A1 publication Critical patent/CA2204219A1/en
Application granted granted Critical
Publication of CA2204219C publication Critical patent/CA2204219C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Color Television Systems (AREA)
CA002204219A 1996-05-03 1997-05-01 Video transcoding with interim encoding format Expired - Fee Related CA2204219C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/642,742 1996-05-03
US08/642,742 US6389174B1 (en) 1996-05-03 1996-05-03 Video transcoding with interim encoding format

Publications (2)

Publication Number Publication Date
CA2204219A1 CA2204219A1 (en) 1997-11-03
CA2204219C true CA2204219C (en) 2002-05-21

Family

ID=24577816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002204219A Expired - Fee Related CA2204219C (en) 1996-05-03 1997-05-01 Video transcoding with interim encoding format

Country Status (6)

Country Link
US (1) US6389174B1 (enExample)
EP (1) EP0805592A3 (enExample)
JP (1) JPH1074364A (enExample)
AU (1) AU2748597A (enExample)
CA (1) CA2204219C (enExample)
WO (1) WO1997042593A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3733218B2 (ja) * 1997-09-30 2006-01-11 キヤノン株式会社 中継装置及びその制御方法及び記憶媒体
JP4200541B2 (ja) * 1998-04-03 2008-12-24 ソニー株式会社 データ変換装置及び方法、信号記録再生装置、並びに再生装置及び方法
EP1074091A2 (en) * 1998-04-20 2001-02-07 Sun Microsystems, Inc. Method and apparatus for supporting a video protocol in a network environment
US6434197B1 (en) * 1999-01-07 2002-08-13 General Instrument Corporation Multi-functional transcoder for compressed bit streams
US6259741B1 (en) 1999-02-18 2001-07-10 General Instrument Corporation Method of architecture for converting MPEG-2 4:2:2-profile bitstreams into main-profile bitstreams
DE19907964C1 (de) * 1999-02-24 2000-08-10 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erzeugen eines verschlüsselten Datenstroms und Vorrichtung und Verfahren zum Erzeugen eines entschlüsselten Audio- und/oder Videosignals
GB2349025B (en) * 1999-04-16 2003-03-12 Snell & Wilcox Ltd Compression encoding of video
US7146055B2 (en) * 2000-05-05 2006-12-05 Hewlett-Packard Development Company, L.P. Image processing decompression apparatus and method of using same different scaling algorithms simultaneously
FR2813001B1 (fr) * 2000-08-11 2002-12-20 Thomson Multimedia Sa Procede de conversion de format couleur d'une sequence d'images
US20020039149A1 (en) * 2000-10-02 2002-04-04 Eduardo Perez System and method for streaming video over a network
WO2002100112A1 (en) * 2001-06-03 2002-12-12 Seelive Ltd. System and method for rapid video compression
US20030202606A1 (en) * 2002-04-05 2003-10-30 Michael Tinker Multi-phase processing for real-time display of a compressed video bitstream
US8812749B2 (en) 2003-12-31 2014-08-19 Intel Corporation Programmable video processing and video storage architecture
JP2008165381A (ja) * 2006-12-27 2008-07-17 Ricoh Co Ltd 画像処理装置及び画像処理方法
JP2012199877A (ja) * 2011-03-23 2012-10-18 Sony Corp 画像処理装置、画像処理方法、並びにプログラム
US9591355B2 (en) * 2012-10-19 2017-03-07 Broadcom Corporation Decoding video streams using decoders supporting a different encoding profile
WO2015139628A1 (en) 2014-03-18 2015-09-24 Mediatek Inc. Data processing apparatus capable of performing optimized compression for compressed data transmission over multiple display ports of display interface and related data processing method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603937A (en) * 1969-06-26 1971-09-07 Ibm Multilevel compressed index generation method and means
US5220325A (en) * 1991-03-28 1993-06-15 At&T Bell Laboratories Hierarchical variable length decoder for digital video data
WO1993021574A1 (en) 1992-04-10 1993-10-28 Videologic Limited Multimedia display
CA2115976C (en) * 1993-02-23 2002-08-06 Saiprasad V. Naimpally Digital high definition television video recorder with trick-play features
US5325355A (en) 1993-03-19 1994-06-28 Apple Computer, Inc. Method and apparatus for implementing a common mode level shift in a bus transceiver incorporating a high speed binary data transfer mode with a ternary control transfer mode
JP3163830B2 (ja) 1993-03-29 2001-05-08 ソニー株式会社 画像信号伝送方法及び装置
WO1994024823A1 (en) 1993-04-16 1994-10-27 Data Translation, Inc. Adaptive video compression using variable quantization
US5479166A (en) 1993-11-30 1995-12-26 Texas Instruments Incorporated Huffman decoding method, circuit and system employing conditional subtraction for conversion of negative numbers
US5854892A (en) 1996-05-03 1998-12-29 Intel Corporation Video conferencing decoder engine with direct signaling to encoder engine for relaying of decoded data

Also Published As

Publication number Publication date
JPH1074364A (ja) 1998-03-17
EP0805592A3 (en) 2000-11-02
CA2204219A1 (en) 1997-11-03
US6389174B1 (en) 2002-05-14
EP0805592A2 (en) 1997-11-05
WO1997042593A1 (en) 1997-11-13
AU2748597A (en) 1997-11-26

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Effective date: 20100503