DE69726670D1 - Bildkoder, Bilddekoder und Bildübertragungssystem - Google Patents

Bildkoder, Bilddekoder und Bildübertragungssystem

Info

Publication number
DE69726670D1
DE69726670D1 DE69726670T DE69726670T DE69726670D1 DE 69726670 D1 DE69726670 D1 DE 69726670D1 DE 69726670 T DE69726670 T DE 69726670T DE 69726670 T DE69726670 T DE 69726670T DE 69726670 D1 DE69726670 D1 DE 69726670D1
Authority
DE
Germany
Prior art keywords
image
transmission system
decoder
encoder
image transmission
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
DE69726670T
Other languages
English (en)
Other versions
DE69726670T2 (de
Inventor
Shigeru Fukunaga
Toshihisa Nakai
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Application granted granted Critical
Publication of DE69726670D1 publication Critical patent/DE69726670D1/de
Publication of DE69726670T2 publication Critical patent/DE69726670T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0022—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is influenced by the user
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/003—Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • 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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
    • 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
    • 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
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE1997626670 1996-09-04 1997-08-26 Bildkoder, Bilddekoder und Bildübertragungssystem Expired - Lifetime DE69726670T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23382096A JPH1079949A (ja) 1996-09-04 1996-09-04 画像符号化装置、画像復号化装置及び画像伝送システム
JP23382096 1996-09-04

Publications (2)

Publication Number Publication Date
DE69726670D1 true DE69726670D1 (de) 2004-01-22
DE69726670T2 DE69726670T2 (de) 2005-01-13

Family

ID=16961083

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997626670 Expired - Lifetime DE69726670T2 (de) 1996-09-04 1997-08-26 Bildkoder, Bilddekoder und Bildübertragungssystem

Country Status (6)

Country Link
US (1) US6081296A (de)
EP (1) EP0828392B1 (de)
JP (1) JPH1079949A (de)
KR (1) KR100493770B1 (de)
CN (1) CN1123978C (de)
DE (1) DE69726670T2 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0917369B1 (de) * 1996-08-05 2007-04-04 Matsushita Electric Industrial Co., Ltd. Datensender, -empfänger, prozessor, vorrichtung und system zur verwaltung von einrichtungen, datensende- und -empfangssystem sowie übertragungsmedium
US6282240B1 (en) * 1997-09-03 2001-08-28 Oki Electric Industry Co., Ltd. Picture coder, picture decoder, and transmission system
JP3860323B2 (ja) * 1997-10-27 2006-12-20 三菱電機株式会社 画像復号化装置、画像復号化方法
EP0940989A3 (de) * 1998-03-02 2003-10-29 Nippon Telegraph and Telephone Corporation Videokommunikationssystem und -verfahren
US6408029B1 (en) 1998-04-02 2002-06-18 Intel Corporation Method and apparatus for simplifying real-time data encoding
US6904174B1 (en) * 1998-12-11 2005-06-07 Intel Corporation Simplified predictive video encoder
US7046734B2 (en) * 1998-04-02 2006-05-16 Intel Corporation Method and apparatus for performing real-time data encoding
JP3606306B2 (ja) * 1998-10-08 2005-01-05 沖電気工業株式会社 画像符号化装置、画像復号化装置及び画像伝送システム
US6499060B1 (en) 1999-03-12 2002-12-24 Microsoft Corporation Media coding for loss recovery with remotely predicted data units
JP3411234B2 (ja) 1999-04-26 2003-05-26 沖電気工業株式会社 符号化情報受信復号装置
JP2001028647A (ja) * 1999-07-12 2001-01-30 Murata Mach Ltd 通信システム
US6735249B1 (en) * 1999-08-11 2004-05-11 Nokia Corporation Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding
US6658618B1 (en) * 1999-09-02 2003-12-02 Polycom, Inc. Error recovery method for video compression coding using multiple reference buffers and a message channel
KR100377190B1 (ko) * 1999-12-24 2003-03-26 한국전자통신연구원 블록별 생성 비트스트림 크기에 따른 채널 오류 발생가능성 예측에 의한 인트라 갱신 블록 결정 기법을 이용한 영상 부호화 방법
SE0000155D0 (sv) * 2000-01-20 2000-01-20 Axis Ab Apparatus and method for stroing and reading digital images
US6829395B2 (en) 2000-01-20 2004-12-07 Axis, Ab Apparatus and method for storing and reading digital images
US8005145B2 (en) * 2000-08-11 2011-08-23 Nokia Corporation Method and apparatus for transferring video frame in telecommunication system
GB0022949D0 (en) * 2000-09-19 2000-11-01 Sgs Thomson Microelectronics Processing instruction words
GB0110125D0 (en) * 2001-04-25 2001-06-20 Koninkl Philips Electronics Nv Radio communication system
US6941343B2 (en) 2001-06-02 2005-09-06 Polycom, Inc. System and method for point to point integration of personal computers with videoconferencing systems
BRPI0216072B1 (pt) * 2001-10-17 2018-09-25 Panasonic Corp método e aparelho de decodificação de figuras móveis
KR20030042115A (ko) * 2001-11-21 2003-05-28 정한승 다중 레퍼런스 프레임 기반의 동영상 부호화 방법
WO2003047270A1 (en) * 2001-11-30 2003-06-05 Ntt Docomo, Inc. Moving picture coding apparatus, moving picture decoding apparatus, moving picture coding method, moving picture decoding method, program, and computer-readable recording medium containing the program
US8687607B2 (en) * 2003-10-08 2014-04-01 Qualcomm Incorporated Method and apparatus for feedback reporting in a wireless communications system
KR100647948B1 (ko) * 2004-03-22 2006-11-17 엘지전자 주식회사 적응적 인트라 매크로 블록 리프레쉬 방법
KR100903225B1 (ko) * 2004-05-06 2009-06-17 닛본 덴끼 가부시끼가이샤 무선 통신 시스템, 무선 통신 방법, 및 무선 통신 장치
US20060140274A1 (en) * 2004-12-29 2006-06-29 Mediatek Incorporation Transcoder and method used therein
US8634413B2 (en) 2004-12-30 2014-01-21 Microsoft Corporation Use of frame caching to improve packet loss recovery
US9237347B2 (en) * 2005-03-21 2016-01-12 The Regents Of The University Of California Systems and methods for video compression for low bit rate and low latency video communications
US20070116117A1 (en) * 2005-11-18 2007-05-24 Apple Computer, Inc. Controlling buffer states in video compression coding to enable editing and distributed encoding
US8031777B2 (en) * 2005-11-18 2011-10-04 Apple Inc. Multipass video encoding and rate control using subsampling of frames
US8780997B2 (en) * 2005-11-18 2014-07-15 Apple Inc. Regulation of decode-side processing based on perceptual masking
US8233535B2 (en) 2005-11-18 2012-07-31 Apple Inc. Region-based processing of predicted pixels
US8295343B2 (en) 2005-11-18 2012-10-23 Apple Inc. Video bit rate control method
US7716551B2 (en) * 2005-12-07 2010-05-11 Microsoft Corporation Feedback and frame synchronization between media encoders and decoders
TWI305087B (en) * 2006-05-25 2009-01-01 Ind Tech Res Inst Power adjusting device for a viterbi decoder
US7916775B2 (en) * 2006-06-16 2011-03-29 Lg Electronics Inc. Encoding uplink acknowledgments to downlink transmissions
DE102006057983A1 (de) * 2006-12-08 2008-06-12 Siemens Ag Verfahren zur Vidoecodierung einer Folge digitalisierter Bilder
JP2008177907A (ja) * 2007-01-19 2008-07-31 Fujitsu Ltd 動画データ復号装置、情報機器、動画データ復号方法および動画データ復号プログラム
KR101075870B1 (ko) * 2007-04-27 2011-10-25 후지쯔 가부시끼가이샤 신호 출력 장치, 정보 기기 및 신호 출력 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록 매체
GB0721519D0 (en) 2007-11-02 2007-12-12 Nokia Siemens Networks Oy Error detection
DE102008015841A1 (de) * 2008-03-27 2009-10-01 Continental Teves Ag & Co. Ohg Elektronisches Kraftfahrzeugregelungssystem mit Strommessschaltung
KR101590511B1 (ko) * 2009-01-23 2016-02-02 에스케이텔레콤 주식회사 움직임 벡터 부호화/복호화 장치 및 방법과 그를 이용한 영상 부호화/복호화 장치 및 방법
CN101998101A (zh) * 2009-08-31 2011-03-30 中兴通讯股份有限公司 可视电话的视频数据接收和发送系统、视频数据处理方法
CN102870416A (zh) * 2011-02-25 2013-01-09 松下电器产业株式会社 运动图像编码装置以及运动图像解码装置
GB2493755B (en) * 2011-08-17 2016-10-19 Canon Kk Method and device for encoding a sequence of images and method and device for decoding a sequence of images
US20130223524A1 (en) * 2012-02-29 2013-08-29 Microsoft Corporation Dynamic insertion of synchronization predicted video frames
US9407923B2 (en) * 2013-05-20 2016-08-02 Gamefly Israel Ltd. Overconing lost IP packets in streaming video in IP networks
US9877034B2 (en) * 2014-04-14 2018-01-23 Avago Technologies General Ip (Singapore) Pte. Ltd. Pipelined video decoder system
CN105743951A (zh) * 2014-12-11 2016-07-06 清华大学 一种数据发送、接收的方法及装置
US10291936B2 (en) 2017-08-15 2019-05-14 Electronic Arts Inc. Overcoming lost or corrupted slices in video streaming

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368512A (en) * 1978-06-30 1983-01-11 Motorola, Inc. Advanced data link controller having a plurality of multi-bit status registers
JPS62193383A (ja) * 1986-02-20 1987-08-25 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像信号伝送方式
US5105423A (en) * 1988-05-17 1992-04-14 Ricoh Company, Ltd. Digital transmission device having an error correction mode and method for shifting down a data transmission rate
KR0121328B1 (ko) * 1991-12-13 1997-11-17 사또오 후미오 디지탈 신호 기록 재생 장치
KR100238133B1 (ko) * 1993-05-31 2000-01-15 윤종용 영상전화기의 화상 복구 장치 및 방법
JPH08205159A (ja) * 1995-01-30 1996-08-09 Kokusai Electric Co Ltd 動画像伝送システム
JP3068002B2 (ja) * 1995-09-18 2000-07-24 沖電気工業株式会社 画像符号化装置、画像復号化装置及び画像伝送システム

Also Published As

Publication number Publication date
EP0828392A3 (de) 2000-08-02
DE69726670T2 (de) 2005-01-13
EP0828392A2 (de) 1998-03-11
CN1177237A (zh) 1998-03-25
EP0828392B1 (de) 2003-12-10
KR19980024351A (ko) 1998-07-06
CN1123978C (zh) 2003-10-08
KR100493770B1 (ko) 2005-09-08
US6081296A (en) 2000-06-27
JPH1079949A (ja) 1998-03-24

Similar Documents

Publication Publication Date Title
DE69726670D1 (de) Bildkoder, Bilddekoder und Bildübertragungssystem
DE69721847D1 (de) Bilddekoder, bildenkoder und bildkommunikationssystem
DE69625145D1 (de) Videobildcodierer, -decodierer, und -übertragungsverfahren
DE69725186D1 (de) Sprite-gestütztes videocodiersystem
DE69736990D1 (de) Digitales Übertragungssystem
NO983043D0 (no) Videokode- og videodekodeapparat
DE69739762D1 (de) Videokoder
DE69734270D1 (de) Übertragungssystem und -verfahren
DE69718749D1 (de) Bilddecodierer
DE69739575D1 (de) Videokodierungsvorrichtung
EP0876058A4 (de) Bildcoder und -decoder
DE69712930D1 (de) Bildaufbereitungssystem
DE69729472D1 (de) Phonopneumograph system
DE69819860D1 (de) System zur bidirektionellen abtastung
DE69710750D1 (de) Zweimoden symmetrisch-asymmetrisch übertragungsteuerungssystem
DE69624669D1 (de) Videokodierer und -dekodierersystem und -methoden
DE69635369D1 (de) Videokodierungsvorrichtung
DE69730713D1 (de) Bildkoder und -dekoder
ID17405A (id) Sistim elektrokromik
NO983086D0 (no) Fjernstyringssystem
DE69726110D1 (de) Videoübertragungssystem
DE69712566D1 (de) Bildkodierungsverfahren und Bildkodierer
HK1026990A1 (en) Encoder and decoder.
DE69728317D1 (de) Bilderzeugungssystem
DE69612004D1 (de) Digitales ubertragungssystem

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition