DE69231825T2 - Kodierungs- und Dekodierungsgerät - Google Patents

Kodierungs- und Dekodierungsgerät

Info

Publication number
DE69231825T2
DE69231825T2 DE69231825T DE69231825T DE69231825T2 DE 69231825 T2 DE69231825 T2 DE 69231825T2 DE 69231825 T DE69231825 T DE 69231825T DE 69231825 T DE69231825 T DE 69231825T DE 69231825 T2 DE69231825 T2 DE 69231825T2
Authority
DE
Germany
Prior art keywords
encoding
decoding device
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
DE69231825T
Other languages
English (en)
Other versions
DE69231825D1 (de
Inventor
Yoshitsugu Iwabuchi
Kenichi Nagasawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP3113228A external-priority patent/JPH04341066A/ja
Priority claimed from JP11319091A external-priority patent/JP3192436B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69231825D1 publication Critical patent/DE69231825D1/de
Application granted granted Critical
Publication of DE69231825T2 publication Critical patent/DE69231825T2/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
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • 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
    • H04N19/176—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • 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
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor
    • 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
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
DE69231825T 1991-05-17 1992-05-15 Kodierungs- und Dekodierungsgerät Expired - Lifetime DE69231825T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3113228A JPH04341066A (ja) 1991-05-17 1991-05-17 画像復号化装置及び画像復号化方法
JP11319091A JP3192436B2 (ja) 1991-05-17 1991-05-17 画像復号化装置及びその方法

Publications (2)

Publication Number Publication Date
DE69231825D1 DE69231825D1 (de) 2001-06-21
DE69231825T2 true DE69231825T2 (de) 2001-10-31

Family

ID=26452198

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69231825T Expired - Lifetime DE69231825T2 (de) 1991-05-17 1992-05-15 Kodierungs- und Dekodierungsgerät
DE69233318T Expired - Fee Related DE69233318T2 (de) 1991-05-17 1992-05-15 Codierungs-/Decodierungsvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69233318T Expired - Fee Related DE69233318T2 (de) 1991-05-17 1992-05-15 Codierungs-/Decodierungsvorrichtung

Country Status (3)

Country Link
US (1) US5657399A (de)
EP (2) EP0917373B1 (de)
DE (2) DE69231825T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530478A (en) * 1991-08-21 1996-06-25 Kabushiki Kaisha Toshiba Image data compressing apparatus
JP2997355B2 (ja) * 1991-12-04 2000-01-11 シャープ株式会社 復号装置
JPH0698313A (ja) * 1992-09-14 1994-04-08 Sony Corp 動画像復号化装置
US5532837A (en) * 1992-12-18 1996-07-02 Matsushita Electric Industrial Co., Ltd. Digital video signal processing apparatus
GB2318016B (en) * 1993-11-29 1998-06-24 Kokusai Electric Co Ltd Method and apparatus for transfer of image data
US5617333A (en) * 1993-11-29 1997-04-01 Kokusai Electric Co., Ltd. Method and apparatus for transmission of image data
US5886790A (en) * 1995-07-12 1999-03-23 Asahi Kogaku Kogyo Kabushiki Kaisha Image processing device
JP3792762B2 (ja) * 1995-09-22 2006-07-05 キヤノン株式会社 画像処理装置および画像処理方法
JPH09168150A (ja) * 1995-10-09 1997-06-24 Fujitsu Ltd 固定長セル取扱式画像通信方法並びに固定長セル取扱式画像通信用送信装置及び固定長セル取扱式画像通信用受信装置
US5808683A (en) * 1995-10-26 1998-09-15 Sony Corporation Subband image coding and decoding
JP3109575B2 (ja) * 1996-09-30 2000-11-20 日本電気株式会社 画像データ処理装置
DE69806297T3 (de) * 1997-03-26 2007-03-29 Matsushita Electric Industrial Co., Ltd., Kadoma Bilddekodiergerät
FI107496B (fi) * 1997-07-18 2001-08-15 Nokia Mobile Phones Ltd Kuvan kompressointi
US5987183A (en) * 1997-07-31 1999-11-16 Sony Corporation Image activity data compression and decompression method and apparatus
US7317699B2 (en) 2001-10-26 2008-01-08 Research In Motion Limited System and method for controlling configuration settings for mobile communication devices and services
KR101518237B1 (ko) 2008-09-01 2015-05-15 삼성전자주식회사 영상의 역양자화 방법 및 장치, 복호화 방법 및 장치

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819185B2 (ja) * 1976-10-29 1983-04-16 沖電気工業株式会社 情報圧縮フアクシミリ装置
US4189748A (en) * 1977-08-23 1980-02-19 Northrop Corporation Video bandwidth reduction system using a two-dimensional transformation, and an adaptive filter with error correction
AU587297B2 (en) * 1985-10-02 1989-08-10 Deutsche Thomson-Brandt Gmbh Correction of transmission errors
JPH0824341B2 (ja) * 1985-10-28 1996-03-06 株式会社日立製作所 画像データ符号化方法
US5070503A (en) * 1988-03-09 1991-12-03 Canon Kabushiki Kaisha Digital information transmitting and receiving system
JPH0810935B2 (ja) * 1988-12-09 1996-01-31 富士写真フイルム株式会社 画像信号圧縮符号化装置および伸長再生装置
US5170264A (en) * 1988-12-10 1992-12-08 Fuji Photo Film Co., Ltd. Compression coding device and expansion decoding device for a picture signal
US5051840A (en) * 1988-12-14 1991-09-24 Fuji Photo Film Co., Ltd. Device for coding a picture signal by compression
JPH02172389A (ja) * 1988-12-26 1990-07-03 Victor Co Of Japan Ltd 動画像信号の高能率符号化方式
US5150210A (en) * 1988-12-26 1992-09-22 Canon Kabushiki Kaisha Image signal restoring apparatus
JP3018366B2 (ja) * 1989-02-08 2000-03-13 ソニー株式会社 ビデオ信号処理回路
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5086488A (en) * 1989-08-19 1992-02-04 Mitsubishi Denki Kabushiki Kaisha Transform coding apparatus
DK0441168T3 (da) * 1990-02-06 1996-11-18 Alcatel Italia System, pakkestruktur og indretning til at behandle udgående information fra en signalindkoder
US5136371A (en) * 1990-03-15 1992-08-04 Thomson Consumer Electronics, Inc. Digital image coding using random scanning
FR2660139B1 (fr) * 1990-03-23 1995-08-25 France Etat Procede de codage et de transmission a au moins deux niveaux de qualite d'images numeriques appartenant a une sequence d'images, et dispositifs correspondants.
US5216516A (en) * 1990-04-27 1993-06-01 Ricoh Company, Inc. Orthogonal transformation arithmetic unit
JPH0434669A (ja) * 1990-05-31 1992-02-05 Toshiba Corp 画像処理方式
US5243428A (en) * 1991-01-29 1993-09-07 North American Philips Corporation Method and apparatus for concealing errors in a digital television
DE69132076T2 (de) * 1990-12-28 2000-08-24 Canon Kk Vorrichtung zur Bildverarbeitung
EP0498578B1 (de) * 1991-02-07 1999-04-07 Canon Kabushiki Kaisha Vorrichtung zum Kodieren von Bildern
KR930011694B1 (ko) * 1991-03-27 1993-12-18 삼성전자 주식회사 디지탈 영상 데이타의 압축방식 및 장치
JP3109854B2 (ja) * 1991-04-23 2000-11-20 キヤノン株式会社 画像符号化方法及び装置
JPH04323960A (ja) * 1991-04-23 1992-11-13 Canon Inc 画像符号化装置
US5212549A (en) * 1991-04-29 1993-05-18 Rca Thomson Licensing Corporation Error concealment apparatus for a compressed video signal processing system
GB2263373B (en) * 1992-01-09 1995-05-24 Sony Broadcast & Communication Data error concealment
US5247363A (en) * 1992-03-02 1993-09-21 Rca Thomson Licensing Corporation Error concealment apparatus for hdtv receivers

Also Published As

Publication number Publication date
DE69231825D1 (de) 2001-06-21
EP0514188A2 (de) 1992-11-19
EP0917373B1 (de) 2004-03-03
EP0514188A3 (en) 1993-09-01
US5657399A (en) 1997-08-12
DE69233318D1 (de) 2004-04-08
EP0917373A3 (de) 1999-05-24
DE69233318T2 (de) 2005-02-17
EP0514188B1 (de) 2001-05-16
EP0917373A2 (de) 1999-05-19

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