DE69638224D1 - Kodiergerät mit Auflösungsumwandler - Google Patents

Kodiergerät mit Auflösungsumwandler

Info

Publication number
DE69638224D1
DE69638224D1 DE69638224T DE69638224T DE69638224D1 DE 69638224 D1 DE69638224 D1 DE 69638224D1 DE 69638224 T DE69638224 T DE 69638224T DE 69638224 T DE69638224 T DE 69638224T DE 69638224 D1 DE69638224 D1 DE 69638224D1
Authority
DE
Germany
Prior art keywords
encoder
resolution converter
resolution
converter
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
DE69638224T
Other languages
English (en)
Inventor
Akira Nakagawa
Kimihiko Kazui
Eishi Morimatsu
Takahiro Shimizu
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69638224D1 publication Critical patent/DE69638224D1/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/15—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • 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
    • H04N19/60—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
DE69638224T 1996-03-29 1996-11-29 Kodiergerät mit Auflösungsumwandler Expired - Lifetime DE69638224D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7560596A JP3773585B2 (ja) 1996-03-29 1996-03-29 画像符号化装置

Publications (1)

Publication Number Publication Date
DE69638224D1 true DE69638224D1 (de) 2010-09-09

Family

ID=13581017

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69638224T Expired - Lifetime DE69638224D1 (de) 1996-03-29 1996-11-29 Kodiergerät mit Auflösungsumwandler
DE1996635369 Expired - Lifetime DE69635369T2 (de) 1996-03-29 1996-11-29 Videokodierungsvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1996635369 Expired - Lifetime DE69635369T2 (de) 1996-03-29 1996-11-29 Videokodierungsvorrichtung

Country Status (4)

Country Link
US (1) US5805222A (de)
EP (2) EP1551186B1 (de)
JP (1) JP3773585B2 (de)
DE (2) DE69638224D1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243399A (ja) * 1997-02-25 1998-09-11 Sharp Corp 符号量制御装置及び該符号量制御装置を含む動画像符号化装置
KR100232098B1 (ko) 1997-03-26 1999-12-01 서평원 퍼지 제어를 이용한 mpeg 영상 신호의 전송율 제어 장치
SG65064A1 (en) * 1997-04-09 1999-05-25 Matsushita Electric Ind Co Ltd Image predictive decoding method image predictive decoding apparatus image predictive coding method image predictive coding apparatus and data storage media
JPH10304381A (ja) * 1997-05-01 1998-11-13 Fujitsu Ltd 動画像符号化装置及び方法
JP3844844B2 (ja) * 1997-06-06 2006-11-15 富士通株式会社 動画像符号化装置及び動画像符号化方法
US6310918B1 (en) * 1997-07-31 2001-10-30 Lsi Logic Corporation System and method for motion vector extraction and computation meeting 2-frame store and letterboxing requirements
US6873368B1 (en) 1997-12-23 2005-03-29 Thomson Licensing Sa. Low noise encoding and decoding method
JP2000023162A (ja) 1998-06-29 2000-01-21 Sony Corp 符号化装置及び符号化方法
US6625322B1 (en) 1999-06-08 2003-09-23 Matsushita Electric Industrial Co., Ltd. Image coding apparatus
TW499672B (en) * 2000-02-18 2002-08-21 Intervideo Inc Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders
JP4378824B2 (ja) * 2000-02-22 2009-12-09 ソニー株式会社 画像処理装置及び方法
US20020021756A1 (en) * 2000-07-11 2002-02-21 Mediaflow, Llc. Video compression using adaptive selection of groups of frames, adaptive bit allocation, and adaptive replenishment
DE10048735A1 (de) * 2000-09-29 2002-04-11 Bosch Gmbh Robert Verfahren zur Codierung und Decodierung von Bildsequenzen sowie Einrichtungen hierzu
JP4688279B2 (ja) * 2000-11-21 2011-05-25 富士通株式会社 動画像の空間解像度自動設定方法及び装置
JP2002191050A (ja) * 2000-12-22 2002-07-05 Fuji Xerox Co Ltd 画像符号化装置および方法
JP2002290243A (ja) * 2001-03-28 2002-10-04 Mitsubishi Electric Corp 符号化方法、符号化装置、復号方法、及び復号装置
WO2002080567A1 (en) * 2001-03-30 2002-10-10 Sony Corporation Image signal quantizing device and its method
US7489362B2 (en) 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
US7679629B2 (en) * 2003-08-15 2010-03-16 Broadcom Corporation Methods and systems for constraining a video signal
US7352808B2 (en) * 2004-01-29 2008-04-01 International Business Machines Corporation System and method for the dynamic resolution change for video encoding
US7609766B2 (en) * 2005-02-08 2009-10-27 Vixs Systems, Inc. System of intra-picture complexity preprocessing
JP4724240B2 (ja) * 2009-07-02 2011-07-13 トムソン ライセンシング ビデオ信号を処理する方法
US8780976B1 (en) * 2011-04-28 2014-07-15 Google Inc. Method and apparatus for encoding video using granular downsampling of frame resolution
US8681866B1 (en) 2011-04-28 2014-03-25 Google Inc. Method and apparatus for encoding video by downsampling frame resolution
GB2496015B (en) * 2012-09-05 2013-09-11 Imagination Tech Ltd Pixel buffering
JP6398569B2 (ja) 2014-10-07 2018-10-03 株式会社ソシオネクスト 画像符号化装置、画像符号化方法および画像符号化プログラム
US10356406B2 (en) * 2016-01-19 2019-07-16 Google Llc Real-time video encoder rate control using dynamic resolution switching
CN109151470B (zh) * 2017-06-28 2021-03-16 腾讯科技（深圳）有限公司 编码分辨率控制方法及终端
CN109151481B (zh) * 2017-06-28 2022-03-15 腾讯科技（深圳）有限公司 图片的传输和接收的方法、装置、系统、设备和介质
CN116320431B (zh) * 2023-03-20 2024-03-01 深圳市与众文化传播有限公司 视频压缩编码数据动态无线网络传输系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688958B1 (fr) * 1992-03-17 1997-06-27 Thomson Csf Procede de codage d'images bi-standard tres bas debit et codeur-decodeur pour la mise en óoeuvre de ce procede.
JPH06141185A (ja) * 1992-10-26 1994-05-20 Nec Corp 画像間引き装置
JPH0730901A (ja) * 1993-07-12 1995-01-31 Kyocera Corp 動画像符号化方式および動画像復号化方式
US5477272A (en) * 1993-07-22 1995-12-19 Gte Laboratories Incorporated Variable-block size multi-resolution motion estimation scheme for pyramid coding
JP3252936B2 (ja) * 1993-12-24 2002-02-04 シャープ株式会社 映像情報フォーマット制御装置

Also Published As

Publication number Publication date
EP0798930A2 (de) 1997-10-01
JPH09271026A (ja) 1997-10-14
EP0798930B1 (de) 2005-11-02
DE69635369D1 (de) 2005-12-08
EP1551186B1 (de) 2010-07-28
US5805222A (en) 1998-09-08
EP0798930A3 (de) 2000-08-09
EP1551186A1 (de) 2005-07-06
DE69635369T2 (de) 2006-07-13
JP3773585B2 (ja) 2006-05-10

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