DE69212124T2 - Verfahren und Einrichtung zur Bildkodierung - Google Patents

Verfahren und Einrichtung zur Bildkodierung

Info

Publication number
DE69212124T2
DE69212124T2 DE69212124T DE69212124T DE69212124T2 DE 69212124 T2 DE69212124 T2 DE 69212124T2 DE 69212124 T DE69212124 T DE 69212124T DE 69212124 T DE69212124 T DE 69212124T DE 69212124 T2 DE69212124 T2 DE 69212124T2
Authority
DE
Germany
Prior art keywords
image coding
coding
image
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
DE69212124T
Other languages
English (en)
Other versions
DE69212124D1 (de
Inventor
Harald Brusewitz
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.)
Telia AB
Original Assignee
Telia AB
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 Telia AB filed Critical Telia AB
Application granted granted Critical
Publication of DE69212124D1 publication Critical patent/DE69212124D1/de
Publication of DE69212124T2 publication Critical patent/DE69212124T2/de
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
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69212124T 1991-11-15 1992-11-12 Verfahren und Einrichtung zur Bildkodierung Expired - Fee Related DE69212124T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9103380A SE468736B (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter

Publications (2)

Publication Number Publication Date
DE69212124D1 DE69212124D1 (de) 1996-08-14
DE69212124T2 true DE69212124T2 (de) 1996-11-07

Family

ID=20384336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69212124T Expired - Fee Related DE69212124T2 (de) 1991-11-15 1992-11-12 Verfahren und Einrichtung zur Bildkodierung

Country Status (6)

Country Link
US (1) US5452103A (de)
EP (1) EP0545874B1 (de)
JP (1) JPH05260459A (de)
DE (1) DE69212124T2 (de)
GB (1) GB2261568B (de)
SE (1) SE468736B (de)

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JP2871316B2 (ja) * 1992-07-10 1999-03-17 日本ビクター株式会社 動画像符号化装置
US5592225A (en) * 1993-09-30 1997-01-07 Matsushita Electric Industrial Co., Ltd. Device and method for controlling coding
US5761223A (en) * 1994-07-21 1998-06-02 Matsushita Electric Industrial Co., Ltd. Error correcting device
US5754241A (en) * 1994-11-18 1998-05-19 Sanyo Electric Co., Ltd Video decoder capable of controlling encoded video data
US5710595A (en) * 1994-12-29 1998-01-20 Lucent Technologies Inc. Method and apparatus for controlling quantization and buffering for digital signal compression
JPH09116897A (ja) * 1995-10-16 1997-05-02 Mitsubishi Electric Corp 画像伝送装置
US6002802A (en) * 1995-10-27 1999-12-14 Kabushiki Kaisha Toshiba Video encoding and decoding apparatus
US5717464A (en) * 1995-12-18 1998-02-10 Divicom, Inc. Rate control for a video encoder
US5801779A (en) * 1995-12-26 1998-09-01 C-Cube Microsystems, Inc. Rate control with panic mode
DE69738878D1 (de) * 1996-04-12 2008-09-11 Sony Corp Bildkodierung mit Pufferunterlaufvermeidung
US6101276A (en) * 1996-06-21 2000-08-08 Compaq Computer Corporation Method and apparatus for performing two pass quality video compression through pipelining and buffer management
JPH1079941A (ja) * 1996-09-05 1998-03-24 Fujitsu Ltd 画像処理装置
US6061399A (en) * 1997-05-28 2000-05-09 Sarnoff Corporation Method and apparatus for information stream frame synchronization
EP0899962A3 (de) * 1997-08-26 2000-11-08 Victor Company of Japan, Ltd. Vorrichtung zur Aufzeichnung eines digitalen Bildes
JP3185763B2 (ja) 1998-07-13 2001-07-11 日本電気株式会社 動画像符号化装置
JP3662171B2 (ja) * 2000-06-05 2005-06-22 三菱電機株式会社 符号化装置及び符号化方法
US7444030B2 (en) * 2004-11-12 2008-10-28 Micron Technology, Inc. Image encoding with dynamic buffer-capacity-level-based compression adjustment
DE102005044885B4 (de) * 2005-09-20 2008-03-27 Infineon Technologies Ag Verfahren sowie Anordnung zur Bereitstellung eines Schlüsselstroms konstanter Datenrate
US20080094500A1 (en) * 2006-10-20 2008-04-24 Hewlett-Packard Development Company Lp Frame filter
US20080278595A1 (en) * 2007-05-11 2008-11-13 Advance Micro Devices, Inc. Video Data Capture and Streaming
US8233527B2 (en) * 2007-05-11 2012-07-31 Advanced Micro Devices, Inc. Software video transcoder with GPU acceleration
US8861591B2 (en) * 2007-05-11 2014-10-14 Advanced Micro Devices, Inc. Software video encoder with GPU acceleration
US8913666B2 (en) 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding coefficients using a joint context model
US9432696B2 (en) 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US9516345B2 (en) 2014-03-17 2016-12-06 Qualcomm Incorporated Systems and methods for low complexity forward transforms using mesh-based calculations

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670096A (en) * 1970-06-15 1972-06-13 Bell Telephone Labor Inc Redundancy reduction video encoding with cropping of picture edges
JPS5149526B2 (de) * 1972-08-05 1976-12-27
CA1042097A (en) * 1974-10-21 1978-11-07 Nippon Telegraph And Telephone Public Corporation Interframe coding system with automatic control of magnitude of interframe difference signal
JPS5244512A (en) * 1975-10-06 1977-04-07 Nippon Telegr & Teleph Corp <Ntt> Between-frame coding equipment
ATE61703T1 (de) * 1985-04-17 1991-03-15 Siemens Ag Verfahren zur bilddatenreduktion fuer digitale fernsehsignale.
JPH0746862B2 (ja) * 1985-11-30 1995-05-17 ソニー株式会社 駒落とし圧縮符号化及び復号化方法
KR910000707B1 (ko) * 1986-05-26 1991-01-31 미쓰비시덴기 가부시기가이샤 화상 부호화 전송방법 및 장치
US4833535A (en) * 1987-02-04 1989-05-23 Kabushiki Kaisha Toshiba Image transmission apparatus
US4780760A (en) * 1987-06-05 1988-10-25 General Electric Company DPCM system with interframe motion indicator signal
US4941043A (en) * 1988-06-14 1990-07-10 Siemens Aktiengesellschaft Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate
JPH02119486A (ja) * 1988-10-28 1990-05-07 Nec Corp 動画像信号の符号化制御方法および符号化制御器
ES2040499T3 (es) * 1989-05-12 1993-10-16 Rai Radiotelevisione Italiana Dispositivo mejorado para la codificacion por transformada cosinusoidal de videosenales digitales.
JPH0722396B2 (ja) * 1989-11-06 1995-03-08 三菱電機株式会社 画像符号化装置
JP2881886B2 (ja) * 1989-12-30 1999-04-12 ソニー株式会社 映像信号符号化方法及びその装置
US5164828A (en) * 1990-02-26 1992-11-17 Sony Corporation Video signal transmission and method and apparatus for coding video signal used in this
JP2514114B2 (ja) * 1991-01-31 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 動画像符号化装置
JP2514115B2 (ja) * 1991-02-15 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 画像信号符号化装置

Also Published As

Publication number Publication date
US5452103A (en) 1995-09-19
EP0545874A1 (de) 1993-06-09
GB9221473D0 (en) 1992-11-25
SE9103380L (sv) 1993-03-08
SE468736B (sv) 1993-03-08
JPH05260459A (ja) 1993-10-08
GB2261568A (en) 1993-05-19
SE9103380D0 (sv) 1991-11-15
DE69212124D1 (de) 1996-08-14
EP0545874B1 (de) 1996-07-10
GB2261568B (en) 1995-03-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee