NO303480B1 - Transformasjonskodingsinnretning - Google Patents

Transformasjonskodingsinnretning Download PDF

Info

Publication number
NO303480B1
NO303480B1 NO903624A NO903624A NO303480B1 NO 303480 B1 NO303480 B1 NO 303480B1 NO 903624 A NO903624 A NO 903624A NO 903624 A NO903624 A NO 903624A NO 303480 B1 NO303480 B1 NO 303480B1
Authority
NO
Norway
Prior art keywords
transformation
quantization
coefficients
threshold value
frequency components
Prior art date
Application number
NO903624A
Other languages
English (en)
Norwegian (no)
Other versions
NO903624D0 (no
NO903624L (no
Inventor
Yoshiaki Kato
Tokumichi Murakami
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP21362289A external-priority patent/JP2503678B2/ja
Priority claimed from JP32452789A external-priority patent/JP2503698B2/ja
Priority claimed from JP2011500A external-priority patent/JP2503706B2/ja
Priority claimed from JP2034658A external-priority patent/JPH0822064B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of NO903624D0 publication Critical patent/NO903624D0/no
Publication of NO903624L publication Critical patent/NO903624L/no
Publication of NO303480B1 publication Critical patent/NO303480B1/no

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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/149—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
    • H04N19/146—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Transplanting Machines (AREA)
NO903624A 1989-08-19 1990-08-16 Transformasjonskodingsinnretning NO303480B1 (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21362289A JP2503678B2 (ja) 1989-08-19 1989-08-19 変換符号化方式
JP32452789A JP2503698B2 (ja) 1989-12-13 1989-12-13 変換符号化方式
JP2011500A JP2503706B2 (ja) 1990-01-19 1990-01-19 変換符号化方式
JP2034658A JPH0822064B2 (ja) 1990-02-15 1990-02-15 変換符号化方式

Publications (3)

Publication Number Publication Date
NO903624D0 NO903624D0 (no) 1990-08-16
NO903624L NO903624L (no) 1991-02-20
NO303480B1 true NO303480B1 (no) 1998-07-13

Family

ID=27455612

Family Applications (1)

Application Number Title Priority Date Filing Date
NO903624A NO303480B1 (no) 1989-08-19 1990-08-16 Transformasjonskodingsinnretning

Country Status (8)

Country Link
US (1) US5086488A (fr)
EP (1) EP0414074B1 (fr)
KR (1) KR930009872B1 (fr)
AU (1) AU622572B2 (fr)
CA (1) CA2023440C (fr)
DE (1) DE69016880T2 (fr)
FI (1) FI98111C (fr)
NO (1) NO303480B1 (fr)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379182A (ja) * 1989-08-23 1991-04-04 Fujitsu Ltd 画像符号化制御方式
EP0469855B1 (fr) * 1990-07-31 1999-12-01 Fujitsu Limited Méthode et appareil de traitement de données d'image
US7142720B1 (en) 1990-07-31 2006-11-28 Fujitsu Limited Image data processing method and apparatus
US5875266A (en) * 1990-07-31 1999-02-23 Fujitsu Limited Image data processing a method and apparatus
US5933538A (en) * 1990-07-31 1999-08-03 Fujitsu Limited Image data processing method and apparatus
US5657399A (en) * 1991-05-17 1997-08-12 Canon Kabushiki Kaisha Encoding/decoding apparatus using quantizing steps information
JP2670201B2 (ja) * 1991-08-30 1997-10-29 富士写真フイルム株式会社 画像データ圧縮符号化装置および方法
US5838834A (en) * 1991-11-07 1998-11-17 Canon Kabushiki Kaisha Image processing apparatus and method for quantizing image data and quantization errors using single quantizing unit and pluralities of quantization tables
US5339368A (en) * 1991-11-21 1994-08-16 Unisys Corporation Document image compression system and method
DE69331126T2 (de) * 1992-07-31 2002-06-20 Canon K.K., Tokio/Tokyo Bildverarbeitungsgerät und Verfahren zur mehrstufigen Kompression
US6028961A (en) * 1992-07-31 2000-02-22 Canon Kabushiki Kaisha Image processing method and apparatus
EP0610604A1 (fr) * 1993-02-11 1994-08-17 Agfa-Gevaert N.V. Traitement multiple d'images radiographiques à l'aide d'une décomposition pyramidale
JPH06292019A (ja) * 1993-04-02 1994-10-18 Fujitsu Ltd 画像データ圧縮装置と画像符号圧縮装置
CN1092446C (zh) * 1993-05-31 2002-10-09 佳能株式会社 图象处理方法和装置
JP3247804B2 (ja) * 1993-08-17 2002-01-21 株式会社リコー データ圧縮方法、データ圧縮／伸長方法、符号語データ数制限装置
US5610657A (en) * 1993-09-14 1997-03-11 Envistech Inc. Video compression using an iterative error data coding method
JPH0787327A (ja) * 1993-09-17 1995-03-31 Fuji Xerox Co Ltd 画像符号化装置
KR0183688B1 (ko) * 1994-01-12 1999-05-01 김광호 영상부호화방법 및 장치
JP3532963B2 (ja) * 1994-05-31 2004-05-31 ペンタックス株式会社 画像圧縮装置
US5553160A (en) * 1994-09-01 1996-09-03 Intel Corporation Method and apparatus for dynamically selecting an image compression process based on image size and color resolution
JPH08181987A (ja) * 1994-12-22 1996-07-12 Canon Inc 符号化装置
US7426311B1 (en) * 1995-10-26 2008-09-16 Hyundai Electronics Industries Co. Ltd. Object-based coding and decoding apparatuses and methods for image signals
US6072909A (en) * 1995-12-13 2000-06-06 Fuji Xerox Co., Ltd. Image coding devise and image decoding devise using with image disassembly
JP3681828B2 (ja) * 1996-08-14 2005-08-10 富士写真フイルム株式会社 画像データの符号量制御方法およびその装置
US6603884B2 (en) * 1997-05-08 2003-08-05 Ricoh Company, Ltd. Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate
FI107496B (fi) * 1997-07-18 2001-08-15 Nokia Mobile Phones Ltd Kuvan kompressointi
US6937659B1 (en) 1997-11-14 2005-08-30 Ac Capital Management, Inc. Apparatus and method for compressing video information
GB2333656B (en) * 1998-01-22 2002-08-14 British Broadcasting Corp Compressed signals
GB2333657B (en) 1998-01-22 2002-08-21 Snell & Wilcox Ltd Video signal compression
GB2335104B (en) 1998-03-06 2002-01-30 British Broadcasting Corp Cascading of up conversion and down conversion
GB2337389B (en) 1998-05-15 2002-05-29 Snell & Wilcox Ltd Video signal processing
US6459731B1 (en) * 1998-08-28 2002-10-01 Lucent Technologies Inc. Technique for video communications using a coding-matched filter arrangement
GB9822094D0 (en) 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB9822087D0 (en) 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB9822092D0 (en) * 1998-10-09 1998-12-02 Snell & Wilcox Ltd Analysis of compression decoded sequences
GB9824061D0 (en) 1998-11-03 1998-12-30 Snell & Wilcox Ltd Film sequence detection (nt4)
US6700623B1 (en) 1998-12-10 2004-03-02 Snell & Wilcox Limited Video signal processing using triplets of pixels
JP3603000B2 (ja) * 2000-02-01 2004-12-15 カネボウ株式会社 ハフマン符号化装置、ハフマン符号化方法およびハフマン符号化処理プログラムを記録した記録媒体
KR100683380B1 (ko) * 2000-02-21 2007-02-15 주식회사 팬택앤큐리텔 영상 압축 부호화를 위한 변환 및 역변환 방법 및 장치
GB2361126B (en) * 2000-04-05 2004-04-21 Snell & Wilcox Ltd Spatial video processing
US6879652B1 (en) * 2000-07-14 2005-04-12 Nielsen Media Research, Inc. Method for encoding an input signal
EP1816603A1 (fr) 2000-11-30 2007-08-08 Canon Kabushiki Kaisha Dispositif et procédé de traitement d'image, support de stockage, et programme
JP4336789B2 (ja) * 2002-01-10 2009-09-30 日本電気株式会社 ２次元直交変換と量子化方法及びその装置並びにプログラム
US9577667B2 (en) 2002-04-23 2017-02-21 Ntt Docomo, Inc. System and method for arithmetic encoding and decoding
ES2552696T3 (es) * 2002-04-23 2015-12-01 Ntt Docomo, Inc. Sistema y método para codificación y decodificación aritmética
US7073505B2 (en) * 2002-09-06 2006-07-11 Apneon, Inc. Systems and methods for moving and/or restraining tissue in the oral cavity
US7212681B1 (en) 2003-01-15 2007-05-01 Cisco Technology, Inc. Extension of two-dimensional variable length coding for image compression
US7194137B2 (en) * 2003-05-16 2007-03-20 Cisco Technology, Inc. Variable length coding method and apparatus for video compression
US7570818B2 (en) * 2003-10-17 2009-08-04 Hewlett-Packard Development Company, L.P. Method for deblocking and transcoding a media stream
US7499595B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Joint amplitude and position coding for photographic image and video coding
US7499596B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Amplitude coding for clustered transform coefficients
US7471840B2 (en) * 2004-08-18 2008-12-30 Cisco Technology, Inc. Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression
US7454076B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Hybrid variable length coding method for low bit rate video coding
US7492956B2 (en) * 2004-08-18 2009-02-17 Cisco Technology, Inc. Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding
US7454073B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks
US7471841B2 (en) * 2004-06-15 2008-12-30 Cisco Technology, Inc. Adaptive breakpoint for hybrid variable length coding
US7620258B2 (en) * 2004-08-18 2009-11-17 Cisco Technology, Inc. Extended amplitude coding for clustered transform coefficients
US7680349B2 (en) * 2004-08-18 2010-03-16 Cisco Technology, Inc. Variable length coding for clustered transform coefficients in video compression
US8031768B2 (en) * 2004-12-15 2011-10-04 Maxim Integrated Products, Inc. System and method for performing optimized quantization via quantization re-scaling
US7672519B2 (en) * 2005-03-29 2010-03-02 Eastman Kodak Company Use of frequency transforms in the analysis of image sensors
US7672518B2 (en) * 2005-03-29 2010-03-02 Eastman Kodak Company Use of frequency transform in the analysis of image sensors
US8121428B2 (en) * 2005-05-31 2012-02-21 Microsoft Corporation Accelerated image rendering
US7242328B1 (en) * 2006-02-03 2007-07-10 Cisco Technology, Inc. Variable length coding for sparse coefficients
EP2124455A4 (fr) * 2007-03-14 2010-08-11 Nippon Telegraph & Telephone Procédé et dispositif de recherche de vecteur de mouvement, programme apparenté, et support d'enregistrement ayant enregistré le programme
KR101074870B1 (ko) * 2007-03-14 2011-10-19 니폰덴신뎅와 가부시키가이샤 부호량 추정 방법, 장치, 그 프로그램 및 기록매체
EP3264772B1 (fr) * 2007-03-14 2022-09-07 Nippon Telegraph And Telephone Corporation Procédé et appareil de commande de quantification, son programme et support d'informations mettant en mémoire le programme
KR101394153B1 (ko) * 2007-12-11 2014-05-16 삼성전자주식회사 양자화 방법 및 장치, 역양자화 방법 및 장치
US8654859B1 (en) 2009-12-17 2014-02-18 Ambarella, Inc. Low cost rate-distortion computations for video compression
US9641846B2 (en) * 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU579441B2 (en) * 1985-01-16 1988-11-24 Mitsubishi Denki Kabushiki Kaisha Video encoding apparatus
JPS61292434A (ja) * 1985-05-17 1986-12-23 Fujitsu Ltd バツフアメモリ
ATE108587T1 (de) * 1986-09-13 1994-07-15 Philips Nv Verfahren und schaltungsanordung zur bitratenreduktion.
US4698672A (en) * 1986-10-27 1987-10-06 Compression Labs, Inc. Coding system for reducing redundancy
CA1296430C (fr) * 1986-11-10 1992-02-25 Masahide Kaneko Systeme de codage permettant, par quantification, un traitement anterieur ou posterieur a haute efficacite
US4922273A (en) * 1987-04-02 1990-05-01 Konica Corporation Compression method of halftone image data

Also Published As

Publication number Publication date
DE69016880T2 (de) 1995-09-21
NO903624D0 (no) 1990-08-16
AU6106990A (en) 1991-02-21
US5086488A (en) 1992-02-04
EP0414074A3 (en) 1992-11-25
KR910005691A (ko) 1991-03-30
CA2023440A1 (fr) 1991-02-20
CA2023440C (fr) 1994-11-08
EP0414074B1 (fr) 1995-02-15
AU622572B2 (en) 1992-04-09
DE69016880D1 (de) 1995-03-23
NO903624L (no) 1991-02-20
EP0414074A2 (fr) 1991-02-27
FI903989A0 (fi) 1990-08-13
FI98111C (fi) 1997-04-10
FI98111B (fi) 1996-12-31
KR930009872B1 (ko) 1993-10-12

Similar Documents

Publication Publication Date Title
NO303480B1 (no) Transformasjonskodingsinnretning
US20180343456A1 (en) System and method for using pattern vectors for video and image coding and decoding
CN101588502B (zh) 应用Golomb-Rice编码法的DCT压缩法
US5177796A (en) Image data processing of correlated images
EP0426260A2 (fr) Codeur zonal adaptatif
EP0725363B1 (fr) Dispositif et procédé de compression d'images
JP4286322B2 (ja) 符号化されたビデオ画像の送信及び受信
US20030138151A1 (en) Encoder rate control
JP3990630B2 (ja) ビデオ処理
US5592227A (en) Method and apparatus for compressing a digital signal using vector quantization
CN101018336A (zh) 基于质量的图像压缩
JPH08116447A (ja) 画像信号の符号化装置
EP0607484A1 (fr) Procédé et appareil pour le balayage des données d'image
JP2007267384A (ja) 圧縮装置及び圧縮方法
JP2009177802A (ja) バタフライプロセッサを使用して離散コサイン変換をエンコードしそして計算するための装置及び方法
EP0683568A1 (fr) Table à consulter d'un code avec longueur variable avec détermination séparée de la longueur du code
US6363176B1 (en) Picture data decompression apparatus
JP3087835B2 (ja) 画像符号化方法および装置ならびに画像復号方法および装置
EP0659023A2 (fr) Méthode et appareil pour le codage avec compression de données d'image
JPH09200777A (ja) 映像信号符号化方法及び映像信号符号化装置
KR940009117B1 (ko) 화상데이타 복원방법 및 장치
US5724096A (en) Video signal encoding method and apparatus employing inter-block redundancies
JP3562661B2 (ja) 画像信号符号化方法及び画像信号復号方法
JP2839142B2 (ja) 画像符号化方式
US5561422A (en) Method and apparatus for variable length coding with reduced memory requirement

Legal Events

Date Code Title Description
MK1K Patent expired