JP4208315B2 - データ通信制御装置及びその制御方法、データ通信システム、記録媒体 - Google Patents

データ通信制御装置及びその制御方法、データ通信システム、記録媒体 Download PDF

Info

Publication number
JP4208315B2
JP4208315B2 JP37147898A JP37147898A JP4208315B2 JP 4208315 B2 JP4208315 B2 JP 4208315B2 JP 37147898 A JP37147898 A JP 37147898A JP 37147898 A JP37147898 A JP 37147898A JP 4208315 B2 JP4208315 B2 JP 4208315B2
Authority
JP
Japan
Prior art keywords
compression
image data
communication
data
recognition
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 - Fee Related
Application number
JP37147898A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000197043A (ja
JP2000197043A5 (https=
Inventor
政美 加藤
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP37147898A priority Critical patent/JP4208315B2/ja
Priority to US09/469,798 priority patent/US6744927B1/en
Priority to US09/469,789 priority patent/US6684360B1/en
Publication of JP2000197043A publication Critical patent/JP2000197043A/ja
Priority to US10/852,159 priority patent/US20040213474A1/en
Publication of JP2000197043A5 publication Critical patent/JP2000197043A5/ja
Application granted granted Critical
Publication of JP4208315B2 publication Critical patent/JP4208315B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Telephonic Communication Services (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
JP37147898A 1998-12-25 1998-12-25 データ通信制御装置及びその制御方法、データ通信システム、記録媒体 Expired - Fee Related JP4208315B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP37147898A JP4208315B2 (ja) 1998-12-25 1998-12-25 データ通信制御装置及びその制御方法、データ通信システム、記録媒体
US09/469,798 US6744927B1 (en) 1998-12-25 1999-12-22 Data communication control apparatus and its control method, image processing apparatus and its method, and data communication system
US09/469,789 US6684360B1 (en) 1998-12-25 1999-12-22 Transmission apparatus, reception apparatus, transmission method and reception method, each for efficiently transmitting error information
US10/852,159 US20040213474A1 (en) 1998-12-25 2004-05-25 Data communication control apparatus and its control method, image processing apparatus and its method, and data communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37147898A JP4208315B2 (ja) 1998-12-25 1998-12-25 データ通信制御装置及びその制御方法、データ通信システム、記録媒体

Publications (3)

Publication Number Publication Date
JP2000197043A JP2000197043A (ja) 2000-07-14
JP2000197043A5 JP2000197043A5 (https=) 2006-03-09
JP4208315B2 true JP4208315B2 (ja) 2009-01-14

Family

ID=18498779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP37147898A Expired - Fee Related JP4208315B2 (ja) 1998-12-25 1998-12-25 データ通信制御装置及びその制御方法、データ通信システム、記録媒体

Country Status (2)

Country Link
US (2) US6744927B1 (https=)
JP (1) JP4208315B2 (https=)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8964604B2 (en) 2000-12-26 2015-02-24 Polycom, Inc. Conference endpoint instructing conference bridge to dial phone number
US8977683B2 (en) 2000-12-26 2015-03-10 Polycom, Inc. Speakerphone transmitting password information to a remote device
US9001702B2 (en) 2000-12-26 2015-04-07 Polycom, Inc. Speakerphone using a secure audio connection to initiate a second secure connection
US7864938B2 (en) 2000-12-26 2011-01-04 Polycom, Inc. Speakerphone transmitting URL information to a remote device
US8948059B2 (en) 2000-12-26 2015-02-03 Polycom, Inc. Conference endpoint controlling audio volume of a remote device
US7339605B2 (en) 2004-04-16 2008-03-04 Polycom, Inc. Conference link between a speakerphone and a video conference unit
JP4231698B2 (ja) 2001-05-10 2009-03-04 ポリコム イスラエル リミテッド 多地点マルチメディア／音声システムの制御ユニット
US8934382B2 (en) 2001-05-10 2015-01-13 Polycom, Inc. Conference endpoint controlling functions of a remote device
US8976712B2 (en) 2001-05-10 2015-03-10 Polycom, Inc. Speakerphone and conference bridge which request and perform polling operations
DE10138267A1 (de) * 2001-08-03 2003-02-20 Siemens Ag Verfahren und Endeinrichtung zur Mehrpunktkommunikation
US7978838B2 (en) 2001-12-31 2011-07-12 Polycom, Inc. Conference endpoint instructing conference bridge to mute participants
US7742588B2 (en) * 2001-12-31 2010-06-22 Polycom, Inc. Speakerphone establishing and using a second connection of graphics information
US8705719B2 (en) 2001-12-31 2014-04-22 Polycom, Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8144854B2 (en) 2001-12-31 2012-03-27 Polycom Inc. Conference bridge which detects control information embedded in audio information to prioritize operations
US8947487B2 (en) 2001-12-31 2015-02-03 Polycom, Inc. Method and apparatus for combining speakerphone and video conference unit operations
US8934381B2 (en) * 2001-12-31 2015-01-13 Polycom, Inc. Conference endpoint instructing a remote device to establish a new connection
US7787605B2 (en) * 2001-12-31 2010-08-31 Polycom, Inc. Conference bridge which decodes and responds to control information embedded in audio information
US8223942B2 (en) * 2001-12-31 2012-07-17 Polycom, Inc. Conference endpoint requesting and receiving billing information from a conference bridge
US8885523B2 (en) 2001-12-31 2014-11-11 Polycom, Inc. Speakerphone transmitting control information embedded in audio information through a conference bridge
US8102984B2 (en) 2001-12-31 2012-01-24 Polycom Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
JP2003208085A (ja) * 2002-01-10 2003-07-25 Nova:Kk フリートークサービスを提供する教育サービス提供方法、教育サービス提供装置およびプログラム
JP4015934B2 (ja) * 2002-04-18 2007-11-28 株式会社東芝 動画像符号化方法及び装置
WO2003081855A1 (en) * 2002-03-22 2003-10-02 Telefonaktiebolaget Lm Ericsson (Publ) Reducing transmission time for data packets controlled by a link layer protocol comprising a fragmenting/defragmenting capability
JP3716225B2 (ja) * 2002-04-05 2005-11-16 松下電器産業株式会社 符号量制御装置および符号量制御方法
JP3999091B2 (ja) * 2002-09-25 2007-10-31 富士フイルム株式会社 画像補正処理装置及びプログラム
KR100539923B1 (ko) * 2003-02-10 2005-12-28 삼성전자주식회사 화상통화시 화자의 영상을 구분하여 차등적 부호화할 수있는 비디오 엔코더 및 이를 이용한 비디오신호의 압축방법
JP3787633B2 (ja) * 2003-04-21 2006-06-21 独立行政法人情報通信研究機構 実時間コンテンツ編集システム
US20050008240A1 (en) * 2003-05-02 2005-01-13 Ashish Banerji Stitching of video for continuous presence multipoint video conferencing
JP4346966B2 (ja) * 2003-06-13 2009-10-21 キヤノン株式会社 撮像装置
EP1727352B1 (en) * 2004-02-23 2014-05-07 Toa Corporation Image compression method, image compression device, image transmission system, data compression pre-processing device, and computer program
JP2005346202A (ja) * 2004-05-31 2005-12-15 Toshiba Corp 電子機器
CN1719752B (zh) * 2004-07-09 2012-10-17 株式会社日立国际电气 无线通信系统
US7620892B2 (en) * 2004-07-29 2009-11-17 Xerox Corporation Server based image processing for client display of documents
US7539341B2 (en) * 2004-07-29 2009-05-26 Xerox Corporation Systems and methods for processing image data prior to compression
US20060106929A1 (en) * 2004-10-15 2006-05-18 Kenoyer Michael L Network conference communications
US7706576B1 (en) * 2004-12-28 2010-04-27 Avaya Inc. Dynamic video equalization of images using face-tracking
US7460150B1 (en) 2005-03-14 2008-12-02 Avaya Inc. Using gaze detection to determine an area of interest within a scene
US8139882B2 (en) * 2005-04-05 2012-03-20 Thomson Licensing Method for locally adjusting a quantization step and coding device implementing said method
US7564476B1 (en) 2005-05-13 2009-07-21 Avaya Inc. Prevent video calls based on appearance
US7796565B2 (en) * 2005-06-08 2010-09-14 Polycom, Inc. Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA
US8199791B2 (en) 2005-06-08 2012-06-12 Polycom, Inc. Mixed voice and spread spectrum data signaling with enhanced concealment of data
US8126029B2 (en) 2005-06-08 2012-02-28 Polycom, Inc. Voice interference correction for mixed voice and spread spectrum data signaling
WO2007063922A1 (ja) * 2005-11-29 2007-06-07 Kyocera Corporation 通信端末および通信システム、並びに通信端末の表示方法
US8812978B2 (en) * 2005-12-22 2014-08-19 Xerox Corporation System and method for dynamic zoom to view documents on small displays
US7489772B2 (en) 2005-12-30 2009-02-10 Nokia Corporation Network entity, method and computer program product for effectuating a conference session
US8165282B1 (en) 2006-05-25 2012-04-24 Avaya Inc. Exploiting facial characteristics for improved agent selection
JP5181294B2 (ja) * 2008-03-31 2013-04-10 富士フイルム株式会社 撮像システム、撮像方法、およびプログラム
JP4961582B2 (ja) * 2008-04-07 2012-06-27 富士フイルム株式会社 画像処理システム、画像処理方法、およびプログラム
US8913668B2 (en) * 2008-09-29 2014-12-16 Microsoft Corporation Perceptual mechanism for the selection of residues in video coders
US8457194B2 (en) * 2008-09-29 2013-06-04 Microsoft Corporation Processing real-time video
CN101742324A (zh) * 2008-11-14 2010-06-16 北京中星微电子有限公司 视频编解码方法、视频编解码系统及编解码器
US20100188476A1 (en) * 2009-01-29 2010-07-29 Optical Fusion Inc. Image Quality of Video Conferences
JP2014060577A (ja) * 2012-09-18 2014-04-03 Sony Corp 通信端末、プログラムおよび情報処理装置
US11798204B2 (en) * 2022-03-02 2023-10-24 Qualcomm Incorporated Systems and methods of image processing based on gaze detection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951140A (en) * 1988-02-22 1990-08-21 Kabushiki Kaisha Toshiba Image encoding apparatus
JPH07154763A (ja) * 1993-11-26 1995-06-16 Fujitsu Ltd 在席テレビ会議装置
JPH0818979A (ja) 1994-06-27 1996-01-19 Canon Inc 画像処理装置
US6343313B1 (en) * 1996-03-26 2002-01-29 Pixion, Inc. Computer conferencing system with real-time multipoint, multi-speed, multi-stream scalability
US6181711B1 (en) * 1997-06-26 2001-01-30 Cisco Systems, Inc. System and method for transporting a compressed video and data bit stream over a communication channel
US6285661B1 (en) * 1998-01-28 2001-09-04 Picturetel Corporation Low delay real time digital video mixing for multipoint video conferencing
US6112233A (en) * 1998-02-04 2000-08-29 Intel Corporation Saving and retrieving a message via a network server using an index page
JP3684525B2 (ja) * 1998-02-19 2005-08-17 富士通株式会社 多画面合成方法及び多画面合成装置
AUPP248498A0 (en) * 1998-03-20 1998-04-23 Canon Kabushiki Kaisha A method and apparatus for encoding and decoding an image

Also Published As

Publication number Publication date
US20040213474A1 (en) 2004-10-28
JP2000197043A (ja) 2000-07-14
US6744927B1 (en) 2004-06-01

Similar Documents

Publication Publication Date Title
JP4208315B2 (ja) データ通信制御装置及びその制御方法、データ通信システム、記録媒体
US7039675B1 (en) Data communication control apparatus and method adapted to control distribution of data corresponding to various types of a plurality of terminals
US6989868B2 (en) Method of converting format of encoded video data and apparatus therefor
US6014689A (en) E-mail system with a video e-mail player
KR0180543B1 (ko) 화상통신장치
US6195116B1 (en) Multi-point video conferencing system and method for implementing the same
US8542266B2 (en) Method and system for adapting a CP layout according to interaction between conferees
JP2004506347A (ja) 分散処理構造を有するパーソナル・テレビ会議システム
US9020042B2 (en) Audio/video speedup system and method in a server-client streaming architecture
JP2002007294A (ja) 画像配信システム及び方法並びに記憶媒体
JPH10178639A (ja) 画像コーデック部および画像データ符号化方法
JP2000324463A (ja) テレビ会議システム
JPH1169330A (ja) 留守録機能を備えた画像通信装置
JPH06337784A (ja) 情報処理装置
CN114938460A (zh) 直播数据处理方法、装置、设备及存储介质
JPS62200883A (ja) 電子会議システムにおける図形表示装置
US20060239572A1 (en) Encoding device and method, decoding device and method, and program
JPH1023383A (ja) テレビ会議システム
CN116112718A (zh) 多人连麦方法及装置
JPH10322674A (ja) テレビ会議システム
JP2004297229A (ja) 画像処理装置及びその方法並びにそれを用いた画像処理システム及びプログラム
JP4090293B2 (ja) 動画像再生装置
KR0171381B1 (ko) 다자간 데스크탑 영상회의를 위한 멀티미디어 보드
JPH11187372A (ja) 多地点テレビ会議システム
JP2000209592A (ja) 画像伝送装置と方法及びシステムとその制御方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051220

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051220

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7426

Effective date: 20051220

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20051220

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20071106

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071109

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071226

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20080723

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20080807

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080912

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080926

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20081014

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20081021

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111031

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111031

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121031

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131031

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees