SE9103380L - Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter - Google Patents

Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter

Info

Publication number
SE9103380L
SE9103380L SE9103380A SE9103380A SE9103380L SE 9103380 L SE9103380 L SE 9103380L SE 9103380 A SE9103380 A SE 9103380A SE 9103380 A SE9103380 A SE 9103380A SE 9103380 L SE9103380 L SE 9103380L
Authority
SE
Sweden
Prior art keywords
buffer store
image
content
frames
coded
Prior art date
Application number
SE9103380A
Other languages
English (en)
Other versions
SE468736B (sv
SE9103380D0 (sv
Inventor
H Brusewitz
Original Assignee
Televerket
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 Televerket filed Critical Televerket
Priority to SE9103380A priority Critical patent/SE9103380L/sv
Publication of SE9103380D0 publication Critical patent/SE9103380D0/sv
Priority to GB9221473A priority patent/GB2261568B/en
Priority to US07/964,032 priority patent/US5452103A/en
Priority to DE69212124T priority patent/DE69212124T2/de
Priority to EP92850266A priority patent/EP0545874B1/en
Priority to JP4328581A priority patent/JPH05260459A/ja
Publication of SE468736B publication Critical patent/SE468736B/sv
Publication of SE9103380L publication Critical patent/SE9103380L/sv

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)
SE9103380A 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter SE9103380L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9103380A SE9103380L (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter
GB9221473A GB2261568B (en) 1991-11-15 1992-10-13 A method and a device for image coding
US07/964,032 US5452103A (en) 1991-11-15 1992-10-21 Method and a device for image coding
DE69212124T DE69212124T2 (de) 1991-11-15 1992-11-12 Verfahren und Einrichtung zur Bildkodierung
EP92850266A EP0545874B1 (en) 1991-11-15 1992-11-12 A method and a device for image coding
JP4328581A JPH05260459A (ja) 1991-11-15 1992-11-13 イメージコーディングのための方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9103380A SE9103380L (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter

Publications (3)

Publication Number Publication Date
SE9103380D0 SE9103380D0 (sv) 1991-11-15
SE468736B SE468736B (sv) 1993-03-08
SE9103380L true SE9103380L (sv) 1993-03-08

Family

ID=20384336

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9103380A SE9103380L (sv) 1991-11-15 1991-11-15 Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter

Country Status (6)

Country Link
US (1) US5452103A (sv)
EP (1) EP0545874B1 (sv)
JP (1) JPH05260459A (sv)
DE (1) DE69212124T2 (sv)
GB (1) GB2261568B (sv)
SE (1) SE9103380L (sv)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) * 1997-08-26 2000-11-08 Victor Company of Japan, Ltd. Apparatus for recording a digital picture
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
US8902988B2 (en) 2010-10-01 2014-12-02 Qualcomm Incorporated Zero-out of high frequency coefficients and entropy coding retained 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 (sv) * 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
DE3678029D1 (de) * 1985-04-17 1991-04-18 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
EP0396846B1 (en) * 1989-05-12 1993-04-28 Rai Radiotelevisione Italiana Improved device for dct encoding of digital video signals
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
GB2261568B (en) 1995-03-22
GB9221473D0 (en) 1992-11-25
EP0545874B1 (en) 1996-07-10
SE468736B (sv) 1993-03-08
EP0545874A1 (en) 1993-06-09
JPH05260459A (ja) 1993-10-08
GB2261568A (en) 1993-05-19
SE9103380D0 (sv) 1991-11-15
DE69212124T2 (de) 1996-11-07
US5452103A (en) 1995-09-19
DE69212124D1 (de) 1996-08-14

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