DE69324993T2 - Verfahren und Vorrichtung zum Quantisieren und Dequantisieren von Bildsignalen - Google Patents

Verfahren und Vorrichtung zum Quantisieren und Dequantisieren von Bildsignalen

Info

Publication number
DE69324993T2
DE69324993T2 DE69324993T DE69324993T DE69324993T2 DE 69324993 T2 DE69324993 T2 DE 69324993T2 DE 69324993 T DE69324993 T DE 69324993T DE 69324993 T DE69324993 T DE 69324993T DE 69324993 T2 DE69324993 T2 DE 69324993T2
Authority
DE
Germany
Prior art keywords
dequantizing
quantizing
image signals
signals
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 - Lifetime
Application number
DE69324993T
Other languages
English (en)
Other versions
DE69324993D1 (de
Inventor
Yoichi Yagasaki
Tohru Wada
Katsumi Tahara
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69324993D1 publication Critical patent/DE69324993D1/de
Application granted granted Critical
Publication of DE69324993T2 publication Critical patent/DE69324993T2/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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/60—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
    • H04N19/85—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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69324993T 1992-10-29 1993-10-22 Verfahren und Vorrichtung zum Quantisieren und Dequantisieren von Bildsignalen Expired - Lifetime DE69324993T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29169792 1992-10-29
JP1017793 1993-01-25
JP6655093 1993-03-25

Publications (2)

Publication Number Publication Date
DE69324993D1 DE69324993D1 (de) 1999-06-24
DE69324993T2 true DE69324993T2 (de) 1999-12-02

Family

ID=27278868

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69324993T Expired - Lifetime DE69324993T2 (de) 1992-10-29 1993-10-22 Verfahren und Vorrichtung zum Quantisieren und Dequantisieren von Bildsignalen

Country Status (8)

Country Link
US (1) US5663763A (de)
EP (1) EP0595562B1 (de)
KR (1) KR100335707B1 (de)
CN (1) CN1054486C (de)
AU (1) AU667970B2 (de)
CA (1) CA2108704C (de)
DE (1) DE69324993T2 (de)
MY (1) MY118444A (de)

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US6208689B1 (en) * 1996-03-04 2001-03-27 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for digital image decoding
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CN100481946C (zh) * 1998-03-20 2009-04-22 三菱电机株式会社 编码和解码及压缩图像的方法和装置
US6298087B1 (en) * 1998-08-31 2001-10-02 Sony Corporation System and method for decoding a variable length code digital signal
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
US6765962B1 (en) * 1999-12-02 2004-07-20 Sarnoff Corporation Adaptive selection of quantization scales for video encoding
JP2004515134A (ja) * 2000-11-22 2004-05-20 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 映像信号処理
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US20030112863A1 (en) 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
US7227998B2 (en) * 2002-06-11 2007-06-05 Canon Kabushiki Kaisha Image processing apparatus, control method of the same, computer program, and computer-readable storage medium
KR100436765B1 (ko) * 2002-07-12 2004-06-23 삼성전자주식회사 디지털 비디오 시스템의 신호처리장치 및 방법
WO2004038650A1 (en) 2002-10-25 2004-05-06 Silverbrook Research Pty Ltd Orientation-indicating cyclic position codes
US7433519B2 (en) * 2003-04-04 2008-10-07 Avid Technology, Inc. Bitstream format for compressed image data
US7403561B2 (en) * 2003-04-04 2008-07-22 Avid Technology, Inc. Fixed bit rate, intraframe compression and decompression of video
US7602851B2 (en) 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US7580584B2 (en) 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US8218624B2 (en) 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
JP4201338B2 (ja) * 2004-02-03 2008-12-24 シャープ株式会社 画像処理装置、画像処理方法、画像表示装置、携帯用情報機器、制御プログラムおよび可読記録媒体
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
KR100651198B1 (ko) * 2005-07-08 2006-12-01 노틸러스효성 주식회사 지폐 회수 장치 및 동작 방법
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US8379715B2 (en) * 2009-08-27 2013-02-19 Nxp B. V. System and method for video compression using non-linear quantization and modular arithmetic computation
KR101717667B1 (ko) 2010-12-10 2017-03-20 삼성전자주식회사 전원공급유닛용 검사장치
CN109738008B (zh) * 2019-01-15 2021-01-08 深圳市对接平台科技发展有限公司 现场解析度分析平台
US11818353B2 (en) * 2021-05-13 2023-11-14 Qualcomm Incorporated Reduced complexity transforms for high bit-depth video coding

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Also Published As

Publication number Publication date
CA2108704A1 (en) 1994-04-30
US5663763A (en) 1997-09-02
AU5035893A (en) 1994-05-12
AU667970B2 (en) 1996-04-18
EP0595562B1 (de) 1999-05-19
EP0595562A1 (de) 1994-05-04
CA2108704C (en) 2004-05-04
DE69324993D1 (de) 1999-06-24
MY118444A (en) 2004-11-30
KR940010807A (ko) 1994-05-26
CN1054486C (zh) 2000-07-12
CN1090115A (zh) 1994-07-27
KR100335707B1 (ko) 2002-09-25

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