ATE162918T1 - 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

Info

Publication number
ATE162918T1
ATE162918T1 AT92200930T AT92200930T ATE162918T1 AT E162918 T1 ATE162918 T1 AT E162918T1 AT 92200930 T AT92200930 T AT 92200930T AT 92200930 T AT92200930 T AT 92200930T AT E162918 T1 ATE162918 T1 AT E162918T1
Authority
AT
Austria
Prior art keywords
data
complexity
quantizing
generations
quantizing factor
Prior art date
Application number
AT92200930T
Other languages
English (en)
Inventor
John P Watney
Original Assignee
Ampex Systems Corp
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 Ampex Systems Corp filed Critical Ampex Systems Corp
Application granted granted Critical
Publication of ATE162918T1 publication Critical patent/ATE162918T1/de

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
AT92200930T 1991-04-18 1992-04-01 Verfahren und anordnung zur bestimmung eines quantisierungsfaktors für prozesse mit datenkomprimierung und -dekomprimierung ATE162918T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE162918T1 true ATE162918T1 (de) 1998-02-15

Family

ID=24766351

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92200930T ATE162918T1 (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)

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US5703646A (en) * 1993-04-09 1997-12-30 Sony Corporation Picture encoding method, picture encoding apparatus and picture recording medium
DE69430877T2 (de) 1993-04-09 2003-02-06 Sony Corp., Tokio/Tokyo Bildkodierungsverfahren und -vorrichtung
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
EP1701552B1 (de) * 1994-06-08 2008-07-30 Matsushita Electric Industrial Co., Ltd. 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
GB2318472B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing encoded signals
GB2318246B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing digitally encoded signals
US6668088B1 (en) 1997-02-25 2003-12-23 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
JP2002535935A (ja) * 1999-01-21 2002-10-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ データを量子化する方法及び装置
CN1186940C (zh) * 1999-11-03 2005-01-26 皇家菲利浦电子有限公司 改进的数字视频和图像的级联压缩方法和系统
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
AU2004214795B9 (en) 2003-02-21 2009-06-04 Panasonic Intellectual Property Corporation Of America Picture coding method and picture decoding method
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
CN112085190B (zh) * 2019-06-12 2024-04-02 上海寒武纪信息科技有限公司 一种神经网络的量化参数确定方法及相关产品
AU2024355160A1 (en) * 2023-10-02 2026-04-02 Netflix, Inc. Techniques for debanding in the intra-prediction stage of a video coding pipeline
WO2025076117A1 (en) * 2023-10-02 2025-04-10 Netflix, Inc. Techniques for debanding in the inverse transform stage of a video coding pipeline

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US4606004A (en) * 1984-03-21 1986-08-12 General Electric Company Apparatus for reduction of filtration truncation errors

Also Published As

Publication number Publication date
DE69224227T2 (de) 1998-07-09
DE69224227D1 (de) 1998-03-05
EP0509576A2 (de) 1992-10-21
EP0509576B1 (de) 1998-01-28
EP0509576A3 (en) 1993-06-02

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