DE69319855D1 - Verfahren und Vorrichtung zur Bilddatencodierung - Google Patents

Verfahren und Vorrichtung zur Bilddatencodierung

Info

Publication number
DE69319855D1
DE69319855D1 DE69319855T DE69319855T DE69319855D1 DE 69319855 D1 DE69319855 D1 DE 69319855D1 DE 69319855 T DE69319855 T DE 69319855T DE 69319855 T DE69319855 T DE 69319855T DE 69319855 D1 DE69319855 D1 DE 69319855D1
Authority
DE
Germany
Prior art keywords
image data
coding image
coding
data
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
DE69319855T
Other languages
English (en)
Other versions
DE69319855T2 (de
Inventor
Hideaki Mita
Tatusi Bannai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP31482692A external-priority patent/JP2897563B2/ja
Priority claimed from JP7547293A external-priority patent/JP3265696B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69319855D1 publication Critical patent/DE69319855D1/de
Publication of DE69319855T2 publication Critical patent/DE69319855T2/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
    • H04N19/10—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/169—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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/10—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
    • 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
DE69319855T 1992-11-25 1993-11-24 Verfahren und Vorrichtung zur Bilddatencodierung Expired - Fee Related DE69319855T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31482692A JP2897563B2 (ja) 1992-11-25 1992-11-25 画像圧縮符号化装置
JP7547293A JP3265696B2 (ja) 1993-04-01 1993-04-01 画像圧縮符号化装置

Publications (2)

Publication Number Publication Date
DE69319855D1 true DE69319855D1 (de) 1998-08-27
DE69319855T2 DE69319855T2 (de) 1999-03-04

Family

ID=26416600

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69319855T Expired - Fee Related DE69319855T2 (de) 1992-11-25 1993-11-24 Verfahren und Vorrichtung zur Bilddatencodierung

Country Status (3)

Country Link
US (1) US5543844A (de)
EP (1) EP0599288B1 (de)
DE (1) DE69319855T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007808A3 (nl) * 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
DE69523363T2 (de) * 1994-04-13 2002-05-16 Matsushita Electric Ind Co Ltd Verfahren und Einrichtung zur Quantisierungsschätzung in der Datenkompression
US5933451A (en) * 1994-04-22 1999-08-03 Thomson Consumer Electronics, Inc. Complexity determining apparatus
CN1053545C (zh) * 1994-05-05 2000-06-14 华邦电子股份有限公司 离散余弦转换及其逆转换的方法及集成电路处理器
JP3050047B2 (ja) * 1994-06-24 2000-06-05 日本ビクター株式会社 動画像符号化装置及び動画像符号化方法
JP3048033B2 (ja) * 1994-09-07 2000-06-05 富士ゼロックス株式会社 画像情報符号化処理装置及び画像情報通信装置
JP3115199B2 (ja) * 1994-12-16 2000-12-04 松下電器産業株式会社 画像圧縮符号化装置
US5926222A (en) * 1995-09-28 1999-07-20 Intel Corporation Bitrate estimator for selecting quantization levels for image encoding
US5926569A (en) * 1995-09-28 1999-07-20 Intel Corporation Bitrate damper for selecting quantization levels for image encoding
US6285793B1 (en) * 1995-11-06 2001-09-04 Siemens Medical Systems, Inc. Method and apparatus for automatically determining a quantization factor value that produces a desired average compression ratio of an image sequence using JPEG compression
US5909513A (en) * 1995-11-09 1999-06-01 Utah State University Bit allocation for sequence image compression
US5717464A (en) * 1995-12-18 1998-02-10 Divicom, Inc. Rate control for a video encoder
US6366614B1 (en) * 1996-10-11 2002-04-02 Qualcomm Inc. Adaptive rate control for digital video compression
GB9622725D0 (en) * 1996-10-31 1997-01-08 Sgs Thomson Microelectronics A method and circuitry for compressing and decompressing digital data
US6339614B1 (en) * 1996-12-20 2002-01-15 Intel Corporation Method and apparatus for quantizing and run length encoding transform coefficients in a video coder
US6553476B1 (en) * 1997-02-10 2003-04-22 Matsushita Electric Industrial Co., Ltd. Storage management based on predicted I/O execution times
US6347116B1 (en) * 1997-02-14 2002-02-12 At&T Corp. Non-linear quantizer for video coding
US7269219B1 (en) * 1997-02-14 2007-09-11 At&T Corp. Non-linear quantizer for video coding
JP3511893B2 (ja) * 1998-01-23 2004-03-29 日本ビクター株式会社 映像信号符号化方法及び装置
US6526097B1 (en) * 1999-02-03 2003-02-25 Sarnoff Corporation Frame-level rate control for plug-in video codecs
US6879723B1 (en) * 1999-11-12 2005-04-12 8X8, Inc. Method and apparatus for encoding frames of image data at a varying quality level
US7773670B1 (en) 2001-06-05 2010-08-10 At+T Intellectual Property Ii, L.P. Method of content adaptive video encoding
US6810086B1 (en) 2001-06-05 2004-10-26 At&T Corp. System and method of filtering noise
US6968006B1 (en) 2001-06-05 2005-11-22 At&T Corp. Method of content adaptive video decoding
EP1271926B1 (de) * 2001-06-18 2015-08-12 Canon Kabushiki Kaisha Bildverarbeitungsverfahren und -vorrichtung und Computerprogram für Kompressionskodierung
JP2003006643A (ja) * 2001-06-25 2003-01-10 Canon Inc 画像処理装置及びその方法、プログラム
CN1320809C (zh) * 2001-08-29 2007-06-06 佳能株式会社 图像处理装置与方法
US6882755B2 (en) * 2001-10-19 2005-04-19 Hewlett-Packard Development Company, L.P. Image transmission for low bandwidth with region of interest
US7106909B2 (en) * 2001-12-25 2006-09-12 Canon Kabushiki Kaisha Method and apparatus for encoding image data in accordance with a target data size
JP4047183B2 (ja) * 2002-03-07 2008-02-13 キヤノン株式会社 画像圧縮符号化装置及びその制御方法
JP2003304404A (ja) * 2002-04-09 2003-10-24 Canon Inc 画像符号化装置
US7324598B2 (en) * 2002-07-15 2008-01-29 Intel Corporation Apparatus and method to reduce quantization error
JP2004159171A (ja) * 2002-11-07 2004-06-03 Fuji Photo Film Co Ltd 画像圧縮方法及び画像圧縮装置
JP2005303576A (ja) * 2004-04-09 2005-10-27 Sony Corp 画像信号処理装置および方法、記録媒体、プログラム、並びにビデオカメラ
US7049996B1 (en) * 2004-11-12 2006-05-23 Via Telecom Co., Ltd. Method and apparatus of two stage scaling and quantization for coded communication systems
JP5491936B2 (ja) 2010-03-31 2014-05-14 株式会社メガチップス 画像処理装置
CN102457284B (zh) * 2010-10-29 2014-09-03 池勇潮 数字数据压缩/解压缩方法及其系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5144426A (en) * 1989-10-13 1992-09-01 Matsushita Electric Industrial Co., Ltd. Motion compensated prediction interframe coding system
JP3085465B2 (ja) * 1989-10-31 2000-09-11 オリンパス光学工業株式会社 画像データの符号化装置および符号化方法
US5291282A (en) * 1990-04-19 1994-03-01 Olympus Optical Co., Ltd. Image data coding apparatus and method capable of controlling amount of codes
JPH04207352A (ja) * 1990-11-29 1992-07-29 Olympus Optical Co Ltd 画像データの符号化装置および符号化方法
JP3012698B2 (ja) * 1991-01-29 2000-02-28 オリンパス光学工業株式会社 画像データの符号化装置および符号化方法
DE69222332T2 (de) * 1991-02-21 1998-01-29 Nec Corp Kodierungsgerät zur Kompression von bewegten Bilddaten

Also Published As

Publication number Publication date
US5543844A (en) 1996-08-06
DE69319855T2 (de) 1999-03-04
EP0599288A2 (de) 1994-06-01
EP0599288B1 (de) 1998-07-22
EP0599288A3 (de) 1994-10-12

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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