KR0128428B1 - Image data compression apparatus - Google Patents

Image data compression apparatus

Info

Publication number
KR0128428B1
KR0128428B1 KR93701191A KR930701191A KR0128428B1 KR 0128428 B1 KR0128428 B1 KR 0128428B1 KR 93701191 A KR93701191 A KR 93701191A KR 930701191 A KR930701191 A KR 930701191A KR 0128428 B1 KR0128428 B1 KR 0128428B1
Authority
KR
South Korea
Prior art keywords
image data
data compression
compression apparatus
image
data
Prior art date
Application number
KR93701191A
Other languages
English (en)
Other versions
KR930702852A (ko
Inventor
Minoru Sasaki
Tomoko Kimishima
Original Assignee
Toshiba Kk
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 JP3209597A external-priority patent/JPH0556273A/ja
Priority claimed from JP4004173A external-priority patent/JP2793402B2/ja
Priority claimed from JP9521692A external-priority patent/JP2856974B2/ja
Application filed by Toshiba Kk filed Critical Toshiba Kk
Publication of KR930702852A publication Critical patent/KR930702852A/ko
Application granted granted Critical
Publication of KR0128428B1 publication Critical patent/KR0128428B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • 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
    • H04N19/10—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
    • H04N19/172—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
    • H04N19/10—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
    • H04N19/60—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
    • H04N19/102—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
KR93701191A 1991-08-21 1993-04-21 Image data compression apparatus KR0128428B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP91-209597 1991-08-21
JP3209597A JPH0556273A (ja) 1991-08-21 1991-08-21 画像符号化装置
JP4004173A JP2793402B2 (ja) 1992-01-13 1992-01-13 画像符号化装置
JP92-4173 1992-01-13
JP9521692A JP2856974B2 (ja) 1992-04-15 1992-04-15 画像符号化装置
JP92-95216 1992-04-15
PCT/JP1992/001055 WO1993004553A1 (fr) 1991-08-21 1992-08-21 Appareil de compression de donnees d'image

Publications (2)

Publication Number Publication Date
KR930702852A KR930702852A (ko) 1993-09-09
KR0128428B1 true KR0128428B1 (en) 1998-04-02

Family

ID=27276153

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93701191A KR0128428B1 (en) 1991-08-21 1993-04-21 Image data compression apparatus

Country Status (5)

Country Link
US (1) US5530478A (ko)
EP (1) EP0553361B1 (ko)
KR (1) KR0128428B1 (ko)
DE (1) DE69223234T2 (ko)
WO (1) WO1993004553A1 (ko)

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EP0677968B1 (en) * 1994-04-13 2001-10-24 Matsushita Electric Industrial Co., Ltd. Quantization estimating method and circuit for data compressing
US5949956A (en) * 1994-09-22 1999-09-07 Matsushita Electric Industrial Co., Ltd. Variable bit rate video encoder, and video recorder, including code amount allocation
US5825970A (en) * 1994-12-20 1998-10-20 Lg Electronics Inc. Quantization number selecting apparatus for DVCR and method therefor
KR100381830B1 (ko) * 1995-03-09 2003-08-02 소니 가부시끼 가이샤 화상신호의부호화방법및그장치
KR0186112B1 (ko) * 1995-05-19 1999-04-15 구자홍 영상 시스템의 양자수 결정 장치
US5654704A (en) * 1995-08-02 1997-08-05 Zapex Technologies, Incorporated Video variable length code encoder with EOB insertion responsive to word length
KR0170735B1 (ko) * 1996-01-29 1999-03-20 김광호 정지영상 데이터의 압축장치
US6292589B1 (en) * 1996-06-21 2001-09-18 Compaq Computer Corporation Method for choosing rate control parameters in motion-compensated transform-based picture coding scheme using non-parametric technique
JP3934712B2 (ja) * 1996-09-27 2007-06-20 日本ビクター株式会社 映像信号符号化方法及び装置
US6366614B1 (en) 1996-10-11 2002-04-02 Qualcomm Inc. Adaptive rate control for digital video compression
US5959872A (en) * 1996-10-28 1999-09-28 Samsung Electronics Co., Ltd. Apparatus and method for bidirectional scanning of video coefficients
KR100198788B1 (ko) * 1996-12-09 1999-06-15 정선종 차동 펄스 부호 변조기를 포함한 양자화/역양자화 회로
US6049330A (en) * 1997-08-28 2000-04-11 Oak Technology, Inc. Method and apparatus for optimizing storage of compressed images in memory
KR100523908B1 (ko) 1997-12-12 2006-01-27 주식회사 팬택앤큐리텔 격행주사 영상에 대한 영상신호 부호화 장치 및 그 방법
US6636748B2 (en) * 1998-01-12 2003-10-21 David A. Monroe Method and apparatus for image capture, compression and transmission of a visual image over telephone or radio transmission system
US6594398B1 (en) * 1998-03-06 2003-07-15 Divio, Inc. Method and apparatus for run-length encoding video data
US7142235B2 (en) * 1998-07-30 2006-11-28 Hewlett-Packard Development Company, L.P. Opportunistic improvement of digital camera image quality
US6999511B1 (en) * 1999-02-23 2006-02-14 International Business Machines Corporation Dynamically switching quant matrix tables within an MPEG-2 encoder
GB2364843A (en) * 2000-07-14 2002-02-06 Sony Uk Ltd Data encoding based on data quantity and data quality
US6882753B2 (en) * 2001-06-04 2005-04-19 Silicon Integrated Systems Corp. Adaptive quantization using code length in image compression
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
US20040230425A1 (en) * 2003-05-16 2004-11-18 Divio, Inc. Rate control for coding audio frames
US7609902B2 (en) * 2004-04-13 2009-10-27 Microsoft Corporation Implementation of discrete cosine transformation and its inverse on programmable graphics processor
US9405731B2 (en) * 2009-08-26 2016-08-02 Hewlett Packard Enterprise Development Lp Energy-based wavelet thresholding
US9591374B2 (en) 2010-06-30 2017-03-07 Warner Bros. Entertainment Inc. Method and apparatus for generating encoded content using dynamically optimized conversion for 3D movies
US10326978B2 (en) 2010-06-30 2019-06-18 Warner Bros. Entertainment Inc. Method and apparatus for generating virtual or augmented reality presentations with 3D audio positioning
US8917774B2 (en) * 2010-06-30 2014-12-23 Warner Bros. Entertainment Inc. Method and apparatus for generating encoded content using dynamically optimized conversion
US8755432B2 (en) 2010-06-30 2014-06-17 Warner Bros. Entertainment Inc. Method and apparatus for generating 3D audio positioning using dynamically optimized audio 3D space perception cues
FR3104360B1 (fr) * 2019-12-10 2021-12-03 Zodiac Data Systems Procédé de compression d’une séquence d’images montrant des éléments graphiques synthétiques d’origine non photographique

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Publication number Priority date Publication date Assignee Title
DE3605032A1 (de) * 1986-02-18 1987-08-20 Thomson Brandt Gmbh Verfahren zur digitalen nachrichtenuebertragung
JPH01157168A (ja) * 1987-12-14 1989-06-20 Canon Inc 画像符号化方式
JPH0832037B2 (ja) * 1988-10-07 1996-03-27 富士写真フイルム株式会社 画像データ圧縮装置
US5073821A (en) * 1989-01-30 1991-12-17 Matsushita Electric Industrial Co., Ltd. Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted
JPH02237370A (ja) * 1989-03-10 1990-09-19 Casio Comput Co Ltd ディスクリートコサイン変換装置
JPH02305182A (ja) * 1989-05-19 1990-12-18 Fuji Photo Film Co Ltd 画像信号圧縮符号化装置
EP0401854B1 (en) * 1989-06-09 1997-08-06 Matsushita Electric Industrial Co., Ltd. An apparatus for orthogonal transform coding
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
JP2839339B2 (ja) * 1990-08-06 1998-12-16 松下電器産業株式会社 直交変換符号化装置および直交変換符号化方法
US5150208A (en) * 1990-10-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Encoding apparatus
US5657399A (en) * 1991-05-17 1997-08-12 Canon Kabushiki Kaisha Encoding/decoding apparatus using quantizing steps information

Also Published As

Publication number Publication date
WO1993004553A1 (fr) 1993-03-04
DE69223234T2 (de) 1998-06-18
US5530478A (en) 1996-06-25
EP0553361B1 (en) 1997-11-19
EP0553361A4 (ko) 1994-01-05
DE69223234D1 (de) 1998-01-02
EP0553361A1 (en) 1993-08-04
KR930702852A (ko) 1993-09-09

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