DE68913508D1 - Bildsignal-Kodier- und Dekodiervorrichtung. - Google Patents

Bildsignal-Kodier- und Dekodiervorrichtung.

Info

Publication number
DE68913508D1
DE68913508D1 DE89118509T DE68913508T DE68913508D1 DE 68913508 D1 DE68913508 D1 DE 68913508D1 DE 89118509 T DE89118509 T DE 89118509T DE 68913508 T DE68913508 T DE 68913508T DE 68913508 D1 DE68913508 D1 DE 68913508D1
Authority
DE
Germany
Prior art keywords
image signal
decoding device
signal encoding
encoding
decoding
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
DE89118509T
Other languages
English (en)
Other versions
DE68913508T2 (de
Inventor
Kohtaro C O Mitsubishi De Asai
Tokumichi C O Mitsubi Murakami
Kazuhiro C O Mitsubi Matsuzaki
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.)
Mitsubishi Electric Corp
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 JP1034344A external-priority patent/JPH0828872B2/ja
Priority claimed from JP1034345A external-priority patent/JPH02214282A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE68913508D1 publication Critical patent/DE68913508D1/de
Application granted granted Critical
Publication of DE68913508T2 publication Critical patent/DE68913508T2/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
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display 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
    • H04N19/102—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
    • H04N19/124—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/152—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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/60—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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
DE68913508T 1989-02-14 1989-10-05 Bildsignal-Kodier- und Dekodiervorrichtung. Expired - Lifetime DE68913508T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1034344A JPH0828872B2 (ja) 1989-02-14 1989-02-14 画像の符号化伝送装置
JP1034345A JPH02214282A (ja) 1989-02-14 1989-02-14 変換符号化装置

Publications (2)

Publication Number Publication Date
DE68913508D1 true DE68913508D1 (de) 1994-04-07
DE68913508T2 DE68913508T2 (de) 1994-06-09

Family

ID=26373138

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68913508T Expired - Lifetime DE68913508T2 (de) 1989-02-14 1989-10-05 Bildsignal-Kodier- und Dekodiervorrichtung.
DE68927960T Expired - Lifetime DE68927960T2 (de) 1989-02-14 1989-10-05 Bildsignal-, Kodier- und Dekodiervorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68927960T Expired - Lifetime DE68927960T2 (de) 1989-02-14 1989-10-05 Bildsignal-, Kodier- und Dekodiervorrichtung

Country Status (6)

Country Link
US (2) US4954892A (de)
EP (2) EP0534504B1 (de)
KR (1) KR920009185B1 (de)
CA (1) CA2000156C (de)
DE (2) DE68913508T2 (de)
HK (1) HK1008133A1 (de)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2016641C (en) * 1989-05-12 1995-07-11 Toshiyuki Tanoi Adaptive interframe prediction coded video communications system
US5247357A (en) * 1989-05-31 1993-09-21 Scientific Atlanta, Inc. Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data
JPH03129987A (ja) * 1989-10-14 1991-06-03 Sony Corp 映像信号符号化装置及び映像信号符号化方法
JP3093233B2 (ja) * 1990-03-16 2000-10-03 キヤノン株式会社 画像符号化装置及びその方法
US5134476A (en) * 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
JP2723660B2 (ja) * 1990-08-06 1998-03-09 松下電器産業株式会社 直交変換装置
JP2839943B2 (ja) * 1990-08-10 1998-12-24 富士通株式会社 画像データ復元方法及び装置
US5636316A (en) * 1990-12-05 1997-06-03 Hitachi, Ltd. Picture signal digital processing unit
WO1992017032A1 (en) * 1991-03-12 1992-10-01 Zenith Electronics Corporation Television signal transmission system with two sets of channel symbols
US5285276A (en) * 1991-03-12 1994-02-08 Zenith Electronics Corp. Bi-rate high definition television signal transmission system
JPH0541862A (ja) * 1991-08-03 1993-02-19 Sony Corp 動きベクトルの可変長符号化方式
US5428396A (en) * 1991-08-03 1995-06-27 Sony Corporation Variable length coding/decoding method for motion vectors
US5251028A (en) * 1991-08-08 1993-10-05 Matsushita Electric Corporation Of America Apparatus for reducing quantization artifacts in an interframe hybrid coding system with motion compensation
US5418617A (en) * 1991-08-08 1995-05-23 Matsushita Electric Corporation Of America Motion compensation using minimum bits per motion block as criterion for block matching
US6487362B1 (en) 1991-08-19 2002-11-26 Index Systems, Inc. Enhancing operations of video tape cassette players
US6091884A (en) * 1991-08-19 2000-07-18 Index Systems, Inc. Enhancing operations of video tape cassette players
US5144424A (en) * 1991-10-15 1992-09-01 Thomson Consumer Electronics, Inc. Apparatus for video data quantization control
US5351083A (en) * 1991-10-17 1994-09-27 Sony Corporation Picture encoding and/or decoding system
JPH05115010A (ja) * 1991-10-22 1993-05-07 Canon Inc 画像復号化装置
JPH05137131A (ja) * 1991-11-13 1993-06-01 Sony Corp フレーム間動き予測方法
SE468737B (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren
US5255090A (en) * 1991-11-19 1993-10-19 Scientific-Atlanta, Inc. Progressive transmission of vector quantized data
US5231485A (en) * 1991-11-19 1993-07-27 Scientific-Atlanta, Inc. Method and apparatus for transforming between fixed-rate vector quantized data and variable rate vector quantized data
US5172228A (en) * 1991-11-19 1992-12-15 Utah State University Foundation Image compression method and apparatus employing distortion adaptive tree search vector quantization
US5734784A (en) * 1992-03-25 1998-03-31 Kabushiki Kaisha Toshiba High data rate system and method for video recording and playback
GB2266023B (en) * 1992-03-31 1995-09-06 Sony Broadcast & Communication Motion dependent video signal processing
EP0574901A2 (de) * 1992-06-16 1993-12-22 Kabushiki Kaisha Toshiba Bildsignalverarbeitungsgerät
KR0134166B1 (ko) * 1992-11-24 1998-04-22 모리시타 요이찌 영상신호기록장치
US5768424A (en) * 1993-01-15 1998-06-16 Canon, Inc. Compression factor adjustment to facilitate image display
US5426463A (en) * 1993-02-22 1995-06-20 Rca Thomson Licensing Corporation Apparatus for controlling quantizing in a video signal compressor
DE69434989T2 (de) * 1993-03-29 2008-02-14 Canon K.K. Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung derselben
US5361097A (en) * 1993-04-02 1994-11-01 Rca Thomson Licensing Corporation Priority processing of encoded video signal including insertion of datastream null words during priority analysis intervals
US6067408A (en) * 1993-05-27 2000-05-23 Advanced Micro Devices, Inc. Full duplex buffer management and apparatus
WO1995002947A1 (en) 1993-07-12 1995-01-26 Sony Corporation Image signal reproducing method and image signal reproducing apparatus
US5452009A (en) * 1993-12-29 1995-09-19 Zenith Electronics Corp. Digital transmission system with data rate optimized for noise in transmission medium
JP3082585B2 (ja) * 1994-09-09 2000-08-28 富士ゼロックス株式会社 画像情報符号化処理装置、画像情報復号化処理装置及び画像情報符号化復号化処理装置
US5677969A (en) * 1995-02-23 1997-10-14 Motorola, Inc. Method, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression system
KR0171118B1 (ko) * 1995-03-20 1999-03-20 배순훈 비디오신호 부호화 장치
KR970023245A (ko) * 1995-10-09 1997-05-30 이데이 노부유끼 음성복호화방법 및 장치
US5987181A (en) * 1995-10-12 1999-11-16 Sharp Kabushiki Kaisha Coding and decoding apparatus which transmits and receives tool information for constructing decoding scheme
US5956088A (en) * 1995-11-21 1999-09-21 Imedia Corporation Method and apparatus for modifying encoded digital video for improved channel utilization
US5862140A (en) * 1995-11-21 1999-01-19 Imedia Corporation Method and apparatus for multiplexing video programs for improved channel utilization
US5877812A (en) * 1995-11-21 1999-03-02 Imedia Corporation Method and apparatus for increasing channel utilization for digital video transmission
US5731837A (en) * 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems
FR2753330B1 (fr) * 1996-09-06 1998-11-27 Thomson Multimedia Sa Procede de quantification pour codage video
DE19737835C2 (de) * 1997-08-29 1999-07-15 Siemens Ag Verfahren zum Komprimieren von Bildinformationen
US6389072B1 (en) 1998-12-23 2002-05-14 U.S. Philips Corp. Motion analysis based buffer regulation scheme
US6738423B1 (en) * 2000-01-21 2004-05-18 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
US7062445B2 (en) * 2001-01-26 2006-06-13 Microsoft Corporation Quantization loop with heuristic approach
US7646816B2 (en) * 2001-09-19 2010-01-12 Microsoft Corporation Generalized reference decoder for image or video processing
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US7065465B2 (en) * 2002-03-26 2006-06-20 Lockheed Martin Corporation Method and system for multi-sensor data fusion
JP3925311B2 (ja) * 2002-06-03 2007-06-06 ソニー株式会社 データ配信システム
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
US7380028B2 (en) * 2003-06-13 2008-05-27 Microsoft Corporation Robust delivery of video data
US7343291B2 (en) * 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7383180B2 (en) * 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US7609763B2 (en) 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US8345754B2 (en) * 2003-09-07 2013-01-01 Microsoft Corporation Signaling buffer fullness
US8107531B2 (en) * 2003-09-07 2012-01-31 Microsoft Corporation Signaling and repeat padding for skip frames
US8582659B2 (en) 2003-09-07 2013-11-12 Microsoft Corporation Determining a decoding time stamp from buffer fullness
US7961786B2 (en) * 2003-09-07 2011-06-14 Microsoft Corporation Signaling field type information
EP1538844A3 (de) * 2003-11-26 2006-05-31 Samsung Electronics Co., Ltd. Verfahren zur Farbfehlerbildtransformation und -kodierung
KR20060042295A (ko) * 2004-11-09 2006-05-12 삼성전자주식회사 화상 데이터 부호화 및 복호화 방법 및 장치
KR100647294B1 (ko) * 2004-11-09 2006-11-23 삼성전자주식회사 화상 데이터 부호화 및 복호화 방법 및 장치
US20060104356A1 (en) * 2004-11-15 2006-05-18 Microsoft Corporation Timing for decoder buffer examination
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8325800B2 (en) 2008-05-07 2012-12-04 Microsoft Corporation Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
US8379851B2 (en) 2008-05-12 2013-02-19 Microsoft Corporation Optimized client side rate control and indexed file layout for streaming media
US7925774B2 (en) 2008-05-30 2011-04-12 Microsoft Corporation Media streaming using an index file
US8265140B2 (en) 2008-09-30 2012-09-11 Microsoft Corporation Fine-grained client-side control of scalable media delivery
US8189666B2 (en) * 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US8395985B2 (en) 2011-07-25 2013-03-12 Ofinno Technologies, Llc Time alignment in multicarrier OFDM network
EP3937551A3 (de) 2012-01-25 2022-02-09 Comcast Cable Communications, LLC Direktzugriffskanal in einer drahtlosen mehrträgerkommunikation mit zeitvorlaufsgruppen
US9237537B2 (en) 2012-01-25 2016-01-12 Ofinno Technologies, Llc Random access process in a multicarrier base station and wireless device
US8897248B2 (en) 2012-01-25 2014-11-25 Ofinno Technologies, Llc Multicarrier signal transmission in wireless communications
US20130258956A1 (en) 2012-04-01 2013-10-03 Esmael Hejazi Dinan Random Access Process in a Wireless Device
US9215678B2 (en) 2012-04-01 2015-12-15 Ofinno Technologies, Llc Timing advance timer configuration in a wireless device and a base station
US11943813B2 (en) 2012-04-01 2024-03-26 Comcast Cable Communications, Llc Cell grouping for wireless communications
US11252679B2 (en) * 2012-04-16 2022-02-15 Comcast Cable Communications, Llc Signal transmission power adjustment in a wireless device
US8964593B2 (en) 2012-04-16 2015-02-24 Ofinno Technologies, Llc Wireless device transmission power
US8971280B2 (en) 2012-04-20 2015-03-03 Ofinno Technologies, Llc Uplink transmissions in a wireless device
US9210664B2 (en) 2012-04-17 2015-12-08 Ofinno Technologies. LLC Preamble transmission in a wireless device
US8995381B2 (en) 2012-04-16 2015-03-31 Ofinno Technologies, Llc Power control in a wireless device
US11825419B2 (en) * 2012-04-16 2023-11-21 Comcast Cable Communications, Llc Cell timing in a wireless device and base station
US11582704B2 (en) 2012-04-16 2023-02-14 Comcast Cable Communications, Llc Signal transmission power adjustment in a wireless device
US9179425B2 (en) 2012-04-17 2015-11-03 Ofinno Technologies, Llc Transmit power control in multicarrier communications
US9179457B2 (en) 2012-06-20 2015-11-03 Ofinno Technologies, Llc Carrier configuration in wireless networks
US9107206B2 (en) 2012-06-18 2015-08-11 Ofinne Technologies, LLC Carrier grouping in multicarrier wireless networks
US9113387B2 (en) 2012-06-20 2015-08-18 Ofinno Technologies, Llc Handover signalling in wireless networks
US11882560B2 (en) 2012-06-18 2024-01-23 Comcast Cable Communications, Llc Carrier grouping in multicarrier wireless networks
US9084228B2 (en) 2012-06-20 2015-07-14 Ofinno Technologies, Llc Automobile communication device
US11622372B2 (en) 2012-06-18 2023-04-04 Comcast Cable Communications, Llc Communication device
US8971298B2 (en) 2012-06-18 2015-03-03 Ofinno Technologies, Llc Wireless device connection to an application server
US9210619B2 (en) 2012-06-20 2015-12-08 Ofinno Technologies, Llc Signalling mechanisms for wireless device handover

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851471B2 (ja) * 1975-04-09 1983-11-16 日本電気株式会社 テレビシンゴウフゴウカソウチ
JPS5248423A (en) * 1975-10-16 1977-04-18 Kokusai Denshin Denwa Co Ltd <Kdd> Transmission system of facsimile signal
JPS5514704A (en) * 1978-07-18 1980-02-01 Ricoh Co Ltd Data compression system
US4386373A (en) * 1980-07-18 1983-05-31 Ricoh Company, Ltd. Facsimile apparatus
JPS5992688A (ja) * 1982-11-19 1984-05-28 Fuji Photo Film Co Ltd 適応形画像圧縮方式
JPS59201578A (ja) * 1983-04-28 1984-11-15 Ricoh Co Ltd ファクシミリの伝送制御方式
JPS6146685A (ja) * 1984-08-13 1986-03-06 Nec Corp 動画像信号の予測符号化装置
JPS61107818A (ja) * 1984-10-30 1986-05-26 Nec Corp エントロピ−符号化方式とその装置
CA1251276A (en) * 1985-03-20 1989-03-14 Toshio Koga Method and arrangement of coding digital image signals utilizing interframe correlation
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
JPS62230281A (ja) * 1986-03-31 1987-10-08 Toshiba Corp 画像伝送方式
DE3788326T2 (de) * 1986-09-25 1994-03-17 Nec Corp Verfahren und Apparat zur Kodierung von Bewegtbildsignalen.
EP0262460A3 (de) * 1986-09-30 1989-10-25 Siemens Aktiengesellschaft Anordnung zur optimierten Gewichtung uebertragener Transformationskoeffizienten bei Transformationscodierern zum Zwecke der Minimierung von Faltungsverzerrungen
US4851906A (en) * 1986-11-04 1989-07-25 Nec Corporation Data compression using orthogonal transform and vector quantization
US5028995A (en) * 1987-10-28 1991-07-02 Hitachi, Ltd. Picture signal processor, picture signal coder and picture signal interpolator
US4951140A (en) * 1988-02-22 1990-08-21 Kabushiki Kaisha Toshiba Image encoding apparatus
US4972260A (en) * 1988-08-22 1990-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for coding a moving-picture signal

Also Published As

Publication number Publication date
EP0534504B1 (de) 1997-04-09
DE68913508T2 (de) 1994-06-09
EP0534504A3 (en) 1993-06-09
KR900013790A (ko) 1990-09-06
CA2000156A1 (en) 1990-08-14
EP0534504A2 (de) 1993-03-31
DE68927960D1 (de) 1997-05-15
DE68927960T2 (de) 1997-07-17
KR920009185B1 (ko) 1992-10-14
US4954892A (en) 1990-09-04
HK1008133A1 (en) 1999-04-30
EP0382892A1 (de) 1990-08-22
EP0382892B1 (de) 1994-03-02
CA2000156C (en) 1995-05-02
US5111294A (en) 1992-05-05

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