JP2002522984A - ワイヤレス送信用の適応デジタル映像コーデック - Google Patents

ワイヤレス送信用の適応デジタル映像コーデック

Info

Publication number
JP2002522984A
JP2002522984A JP2000564386A JP2000564386A JP2002522984A JP 2002522984 A JP2002522984 A JP 2002522984A JP 2000564386 A JP2000564386 A JP 2000564386A JP 2000564386 A JP2000564386 A JP 2000564386A JP 2002522984 A JP2002522984 A JP 2002522984A
Authority
JP
Japan
Prior art keywords
wireless communication
signal
video codec
monitored
communication device
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.)
Pending
Application number
JP2000564386A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002522984A5 (OSRAM
Inventor
マッティ ヨキミエス
マルクス ハカステ
ヴェサ ルンデン
ペトリ ヤルヴィネン
マルコ ルオミ
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10836933&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2002522984(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of JP2002522984A publication Critical patent/JP2002522984A/ja
Publication of JP2002522984A5 publication Critical patent/JP2002522984A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • 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
    • H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
    • 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
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • 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
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
JP2000564386A 1998-08-07 1999-08-05 ワイヤレス送信用の適応デジタル映像コーデック Pending JP2002522984A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9817292.7 1998-08-07
GBGB9817292.7A GB9817292D0 (en) 1998-08-07 1998-08-07 Digital video coding
PCT/EP1999/005754 WO2000008861A1 (en) 1998-08-07 1999-08-05 Adaptive digital video codec for wireless transmission

Publications (2)

Publication Number Publication Date
JP2002522984A true JP2002522984A (ja) 2002-07-23
JP2002522984A5 JP2002522984A5 (OSRAM) 2006-10-05

Family

ID=10836933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000564386A Pending JP2002522984A (ja) 1998-08-07 1999-08-05 ワイヤレス送信用の適応デジタル映像コーデック

Country Status (10)

Country Link
US (3) US6611674B1 (OSRAM)
EP (1) EP1103143B8 (OSRAM)
JP (1) JP2002522984A (OSRAM)
CN (1) CN1162009C (OSRAM)
AT (1) ATE240023T1 (OSRAM)
AU (1) AU5512199A (OSRAM)
DE (1) DE69907689T2 (OSRAM)
ES (1) ES2198942T3 (OSRAM)
GB (2) GB9817292D0 (OSRAM)
WO (1) WO2000008861A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008516561A (ja) * 2004-10-12 2008-05-15 クゥアルコム・インコーポレイテッド デジタルビデオ符号化のための適応性イントラリフレッシュ
JP2008532450A (ja) * 2005-03-07 2008-08-14 ノキア コーポレイション 出力パワーの重みづけ

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US20070058603A1 (en) * 2005-08-12 2007-03-15 Samsung Electronics Co., Ltd. Apparatus and method for estimating and reporting a carrier to interference noise ratio in a multi-antenna system
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GB0718532D0 (en) 2007-09-22 2007-10-31 Unilever Plc Improvements relating to fabric treatment compositions
US8559320B2 (en) * 2008-03-19 2013-10-15 Avaya Inc. Method and apparatus for measuring voice quality on a VoIP network
CN101415236B (zh) * 2008-11-25 2010-12-29 中兴通讯股份有限公司 可视通话业务的自适应调节方法以及可视移动终端
CN101552913B (zh) * 2009-05-12 2011-07-06 腾讯科技（深圳）有限公司 多路视频通讯系统及处理方法
JP2011019135A (ja) * 2009-07-09 2011-01-27 Sony Corp 画像受信装置、画像受信方法および画像送信装置
KR101685442B1 (ko) * 2010-04-07 2016-12-13 삼성전자주식회사 전계 정보 기반의 메타데이터를 이용한 영상 통화 품질 향상을 위한 장치 및 방법
CN101945022B (zh) * 2010-09-29 2013-01-30 珠海世纪鼎利通信科技股份有限公司 一种高效统一的无线通信网络测量参数解码方法
CN102572516B (zh) * 2011-12-21 2014-06-11 北京视博云科技有限公司 一种码流传输控制方法和装置
US10243691B2 (en) * 2016-09-06 2019-03-26 Mediatek Singapore Pte. Ltd. Apparatuses and methods for avoiding video artifacts introduced by a handover or out-of-service (OOS) condition during a video call

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JPH02302192A (ja) * 1989-05-17 1990-12-14 Hitachi Ltd 画像伝送装置
JPH0326132A (ja) * 1989-06-23 1991-02-04 Nippon Telegr & Teleph Corp <Ntt> 映像符号化伝送方式
JPH04115792A (ja) * 1990-09-06 1992-04-16 Hitachi Ltd 画像信号符号化方式
JPH04176291A (ja) * 1990-11-09 1992-06-23 Hitachi Ltd 画像符号化復号装置
JPH04297194A (ja) * 1991-03-26 1992-10-21 Mitsubishi Electric Corp フレーム間符号化におけるリフレッシュ方式
WO1993022881A1 (en) * 1992-04-24 1993-11-11 Motorola Inc. Method and apparatus for determining signal transmission quality levels of a transmitted signal
JPH0856209A (ja) * 1994-08-10 1996-02-27 Nippon Telegr & Teleph Corp <Ntt> 無線伝送方法
JPH0879149A (ja) * 1994-08-31 1996-03-22 Nec Corp 衛星通信用送受信装置
JPH08195871A (ja) * 1995-01-19 1996-07-30 Sanyo Electric Co Ltd 画像通信装置
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Publication number Priority date Publication date Assignee Title
JP2008516561A (ja) * 2004-10-12 2008-05-15 クゥアルコム・インコーポレイテッド デジタルビデオ符号化のための適応性イントラリフレッシュ
JP2008532450A (ja) * 2005-03-07 2008-08-14 ノキア コーポレイション 出力パワーの重みづけ

Also Published As

Publication number Publication date
GB9918671D0 (en) 1999-10-13
EP1103143B8 (en) 2003-12-03
DE69907689T2 (de) 2004-03-18
US20070120950A1 (en) 2007-05-31
ATE240023T1 (de) 2003-05-15
WO2000008861A1 (en) 2000-02-17
US20040091068A1 (en) 2004-05-13
ES2198942T3 (es) 2004-02-01
EP1103143A1 (en) 2001-05-30
EP1103143B1 (en) 2003-05-07
AU5512199A (en) 2000-02-28
GB2341064A (en) 2000-03-01
CN1162009C (zh) 2004-08-11
GB9817292D0 (en) 1998-10-07
CN1313009A (zh) 2001-09-12
US7764927B2 (en) 2010-07-27
DE69907689D1 (de) 2003-06-12
US6611674B1 (en) 2003-08-26

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