DE69224227T2 - Verfahren und Anordnung zur Bestimmung eines Quantisierungsfaktors für Prozesse mit Datenkomprimierung und -dekomprimierung - Google Patents

Verfahren und Anordnung zur Bestimmung eines Quantisierungsfaktors für Prozesse mit Datenkomprimierung und -dekomprimierung

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Publication number
DE69224227T2
DE69224227T2 DE69224227T DE69224227T DE69224227T2 DE 69224227 T2 DE69224227 T2 DE 69224227T2 DE 69224227 T DE69224227 T DE 69224227T DE 69224227 T DE69224227 T DE 69224227T DE 69224227 T2 DE69224227 T2 DE 69224227T2
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Germany
Prior art keywords
data
complexity
quantizing
generations
quantizing factor
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
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DE69224227T
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English (en)
Other versions
DE69224227D1 (de
Inventor
John P Watney
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.)
Ampex Corp
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Ampex Corp
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Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Publication of DE69224227D1 publication Critical patent/DE69224227D1/de
Application granted granted Critical
Publication of DE69224227T2 publication Critical patent/DE69224227T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction 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
    • H04N19/102—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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • 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
    • H04N19/134—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
DE69224227T 1991-04-18 1992-04-01 Verfahren und Anordnung zur Bestimmung eines Quantisierungsfaktors für Prozesse mit Datenkomprimierung und -dekomprimierung Expired - Lifetime DE69224227T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68892391A 1991-04-18 1991-04-18

Publications (2)

Publication Number Publication Date
DE69224227D1 DE69224227D1 (de) 1998-03-05
DE69224227T2 true DE69224227T2 (de) 1998-07-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224227T Expired - Lifetime DE69224227T2 (de) 1991-04-18 1992-04-01 Verfahren und Anordnung zur Bestimmung eines Quantisierungsfaktors für Prozesse mit Datenkomprimierung und -dekomprimierung

Country Status (3)

Country Link
EP (1) EP0509576B1 (de)
AT (1) ATE162918T1 (de)
DE (1) DE69224227T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5703646A (en) * 1993-04-09 1997-12-30 Sony Corporation Picture encoding method, picture encoding apparatus and picture recording medium
WO1994024822A1 (en) 1993-04-09 1994-10-27 Sony Corporation Method and apparatus for coding image, and image recording medium
US5604502A (en) * 1994-03-21 1997-02-18 Lucent Technologies Inc. Motion video compression system with inverse discrete cosine transform mismatch control
US5654760A (en) * 1994-03-30 1997-08-05 Sony Corporation Selection of quantization step size in accordance with predicted quantization noise
DE69535228T2 (de) * 1994-06-08 2007-09-13 Matsushita Electric Industrial Co., Ltd., Kadoma Bildumsetzungsvorrichtung
FR2743246B1 (fr) * 1995-12-29 1998-01-23 Thomson Broadcast Systems Procede et dispositif de compression de donnees numeriques
JPH1051766A (ja) 1996-08-05 1998-02-20 Mitsubishi Electric Corp 画像符号化データ変換装置
US6337879B1 (en) 1996-08-14 2002-01-08 Sony Corporation Video data compression apparatus and method of same
GB2318246B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing digitally encoded signals
GB2318472B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing encoded signals
CA2280819A1 (en) * 1997-02-25 1998-09-03 British Broadcasting Corporation Digital signal compression encoding with improved quantisation
GB9706394D0 (en) * 1997-03-27 1997-05-14 Nds Ltd Improvements in or relating to compressing a digital signal
KR100756596B1 (ko) 1997-07-08 2007-09-10 소니 가부시끼 가이샤 비디오 데이터 부호화 장치 및 비디오 데이터 부호화 방법
GB2327577B (en) * 1997-07-18 2002-09-11 British Broadcasting Corp Re-encoding decoded signals
US6151361A (en) * 1997-12-29 2000-11-21 Thomson Licensing S.A. System and method for reducing multipass signal degradation
GB2335815B (en) 1998-03-25 2002-02-27 Sony Uk Ltd Data compression
US6330369B1 (en) 1998-07-10 2001-12-11 Avid Technology, Inc. Method and apparatus for limiting data rate and image quality loss in lossy compression of sequences of digital images
GB9822092D0 (en) * 1998-10-09 1998-12-02 Snell & Wilcox Ltd Analysis of compression decoded sequences
EP1064792A1 (de) * 1999-01-21 2001-01-03 Koninklijke Philips Electronics N.V. Verfahren und anordnung zur datenquantisierung
EP1145562A1 (de) * 1999-11-03 2001-10-17 Koninklijke Philips Electronics N.V. Verbessertes cascaden-kompressionsverfahren und -system für digitale videodaten und bilder
WO2001037574A1 (en) * 1999-11-17 2001-05-25 Koninklijke Philips Electronics N.V. Method of transcoding
GB2387055A (en) * 2002-03-28 2003-10-01 Sony Uk Ltd Data compression method including target data quantity allocation
GB2387057A (en) 2002-03-28 2003-10-01 Sony Uk Ltd Multi-generation compression using rounding effects to estimate previously used quantisation parameters
EP1445958A1 (de) * 2003-02-05 2004-08-11 STMicroelectronics S.r.l. Quanitizierungsverfahren und System zum Beispiel für MPEG-Applikationen und Computerprogramm dafür
MXPA05006718A (es) 2003-02-21 2005-09-08 Matsushita Electric Ind Co Ltd Metodo de codificacion de imagenes y metodo de decodificacion de imagenes.
JP4747494B2 (ja) * 2004-03-03 2011-08-17 ソニー株式会社 データ処理装置およびその方法と符号化装置
US8711926B2 (en) * 2007-02-08 2014-04-29 Qualcomm Incorporated Distortion estimation for quantized data
WO2010017845A1 (en) * 2008-08-15 2010-02-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for estimating the quantisation parameter used in video sequences
CN112085185B (zh) * 2019-06-12 2024-04-02 上海寒武纪信息科技有限公司 量化参数调整方法、装置及相关产品

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606004A (en) * 1984-03-21 1986-08-12 General Electric Company Apparatus for reduction of filtration truncation errors
JPH01162080A (ja) * 1987-12-18 1989-06-26 Sony Corp ディジタルｖｔｒ
JPH02236791A (ja) * 1989-03-10 1990-09-19 Nec Corp ディジタル積分器
JP2744290B2 (ja) * 1989-06-22 1998-04-28 日本電信電話株式会社 画像信号符号化方式
JPH0329582A (ja) * 1989-06-27 1991-02-07 Matsushita Electric Ind Co Ltd 画像の符号化方式
JPH0363722A (ja) * 1989-07-31 1991-03-19 Sony Corp デイジタルデータ処理回路

Also Published As

Publication number Publication date
EP0509576A3 (en) 1993-06-02
EP0509576B1 (de) 1998-01-28
DE69224227D1 (de) 1998-03-05
EP0509576A2 (de) 1992-10-21
ATE162918T1 (de) 1998-02-15

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