PT77085B - Improvements relating to video data transmission - Google Patents

Improvements relating to video data transmission

Info

Publication number
PT77085B
PT77085B PT77085A PT7708583A PT77085B PT 77085 B PT77085 B PT 77085B PT 77085 A PT77085 A PT 77085A PT 7708583 A PT7708583 A PT 7708583A PT 77085 B PT77085 B PT 77085B
Authority
PT
Portugal
Prior art keywords
elements
data
receiver
transmitted
image
Prior art date
Application number
PT77085A
Other languages
English (en)
Other versions
PT77085A (en
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of PT77085A publication Critical patent/PT77085A/pt
Publication of PT77085B publication Critical patent/PT77085B/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/507Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction using conditional replenishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding

Landscapes

  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Color Television Systems (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Cephalosporin Compounds (AREA)
PT77085A 1982-07-23 1983-07-22 Improvements relating to video data transmission PT77085B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8221407 1982-07-23

Publications (2)

Publication Number Publication Date
PT77085A PT77085A (en) 1983-08-01
PT77085B true PT77085B (en) 1986-01-27

Family

ID=10531874

Family Applications (1)

Application Number Title Priority Date Filing Date
PT77085A PT77085B (en) 1982-07-23 1983-07-22 Improvements relating to video data transmission

Country Status (13)

Country Link
US (1) US4597010A (pt)
EP (1) EP0100216B1 (pt)
JP (1) JPS5989086A (pt)
AT (1) ATE25798T1 (pt)
AU (1) AU558138B2 (pt)
CA (1) CA1226664A (pt)
DE (1) DE3370117D1 (pt)
DK (1) DK163091C (pt)
ES (1) ES524383A0 (pt)
FI (1) FI76902C (pt)
IE (1) IE54649B1 (pt)
NO (1) NO158708C (pt)
PT (1) PT77085B (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3408061A1 (de) * 1984-03-05 1985-09-05 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur bewegungsadaptiven interpolation von fernsehbildsequenzen und anwendungen dieses verfahrens
JPS60189388A (ja) * 1984-03-09 1985-09-26 Fujitsu Ltd 動き補償符号化装置
AU587954B2 (en) * 1985-02-28 1989-08-31 Mitsubishi Denki Kabushiki Kaisha Video encoding transmission apparatus
DE3685238D1 (de) * 1985-02-28 1992-06-17 Mitsubishi Electric Corp Adaptive zwischenbild-vektorquantisier-kodiereinrichtung.
US4932066A (en) * 1985-10-15 1990-06-05 Canon Kabushiki Kaisha Information signal transmission system
JPS62122483A (ja) * 1985-11-22 1987-06-03 Canon Inc 画像情報伝送システム
US4947448A (en) * 1985-11-22 1990-08-07 Canon Kabushiki Kaisha Image information signal transmitting system
ATE52371T1 (de) * 1985-12-04 1990-05-15 Siemens Ag Verfahren zur datenreduktion digitaler bildsignale durch vektorquantisierung.
IL77840A (en) * 1986-02-10 1989-05-15 Elscint Ltd Data compression system for digital imaging
US4745473A (en) * 1986-03-24 1988-05-17 Harris Corporation Hybrid image compression system
DE3774314D1 (de) * 1986-04-04 1991-12-12 Siemens Ag Verfahren zur datenreduktion digitaler bildsignale durch vektorquantisierung von durch orthonormale transformation mittels einer symmetrischen fastzyklischen hadamard-matrix gewonnenen koeffizienten.
JPH065889B2 (ja) * 1986-04-18 1994-01-19 富士写真フイルム株式会社 画像デ−タ圧縮処理方法
EP0323457B1 (en) * 1986-07-15 1994-02-02 Burle Technologies, Inc. Motion detector apparatus for responding to edge information contained in a television signal
US4700232A (en) * 1986-10-24 1987-10-13 Grass Valley Group, Inc. Interpolator for television special effects system
US4849810A (en) * 1987-06-02 1989-07-18 Picturetel Corporation Hierarchial encoding method and apparatus for efficiently communicating image sequences
US4914508A (en) * 1988-04-27 1990-04-03 Universal Video Communications Corp. Method and system for compressing and statistically encoding color video data
US4847677A (en) * 1988-04-27 1989-07-11 Universal Video Communications Corp. Video telecommunication system and method for compressing and decompressing digital color video data
US4857993A (en) * 1988-04-27 1989-08-15 Universal Video Communications Corp. Method and system for decompressing digital color video statistically encoded data
US4894716A (en) * 1989-04-20 1990-01-16 Burle Technologies, Inc. T.V. motion detector with false alarm immunity
US4963961A (en) * 1989-06-16 1990-10-16 Burle Technologies, Inc. Vertical motion detector
US5008745A (en) * 1989-12-21 1991-04-16 Burle Technologies, Inc. Clock synchronized digital TV motion detector
DE69116036T2 (de) * 1990-08-28 1996-08-01 Philips Electronics Nv Verfahren und Anordung zum Verringern der Bewegungsabschätzapparatur und der Anforderungen an die Datenübertragungskapazität in Video-Systemen
JPH06118385A (ja) * 1992-10-08 1994-04-28 Sharp Corp 強誘電性液晶パネルの駆動方法
EP1158786A3 (en) * 2000-05-24 2005-03-09 Sony Corporation Transmission of the region of interest of an image
US6809840B1 (en) * 2000-06-23 2004-10-26 Eastman Kodak Company Image processing method for adaptively sub-sampling an image
US8300699B2 (en) * 2007-05-31 2012-10-30 Qualcomm Incorporated System, method, and computer-readable medium for reducing required throughput in an ultra-wideband system
CN102714726B (zh) 2010-01-15 2015-03-25 杜比实验室特许公司 使用元数据的用于时间缩放的边缘增强

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US3715483A (en) * 1970-12-11 1973-02-06 Bell Telephone Labor Inc Bandwidth reduction system for use with video signals
US3736373A (en) * 1971-12-13 1973-05-29 Bell Telephone Labor Inc Conditional vertical subsampling in a video redundancy reduction system
US4090221A (en) * 1972-03-13 1978-05-16 Bell Telephone Laboratories, Incorporated Apparatus for improving video signal-to-noise ratio
US3824590A (en) * 1973-03-26 1974-07-16 Bell Telephone Labor Inc Adaptive interpolating video encoder
US3984626A (en) * 1975-08-01 1976-10-05 Bell Telephone Laboratories, Incorporated Picture signal coder

Also Published As

Publication number Publication date
ATE25798T1 (de) 1987-03-15
IE54649B1 (en) 1989-12-20
IE831729L (en) 1984-01-23
JPS5989086A (ja) 1984-05-23
NO832705L (no) 1984-01-24
DK163091B (da) 1992-01-13
ES8405229A1 (es) 1984-05-16
FI832670A (fi) 1984-01-24
NO158708C (no) 1988-10-19
EP0100216B1 (en) 1987-03-04
AU558138B2 (en) 1987-01-22
CA1226664A (en) 1987-09-08
JPH0422075B2 (pt) 1992-04-15
DE3370117D1 (en) 1987-04-09
DK338183A (da) 1984-01-24
FI76902C (fi) 1988-12-12
DK163091C (da) 1992-06-09
EP0100216A1 (en) 1984-02-08
AU1724883A (en) 1984-01-26
FI832670A0 (fi) 1983-07-22
FI76902B (fi) 1988-08-31
DK338183D0 (da) 1983-07-22
ES524383A0 (es) 1984-05-16
PT77085A (en) 1983-08-01
US4597010A (en) 1986-06-24
NO158708B (no) 1988-07-11

Similar Documents

Publication Publication Date Title
DE3370117D1 (en) Improvements relating to video data transmission
CN106162200B (zh) 由包含sao的视频编码系统产生的视频比特流的解码方法
US5008748A (en) Signal coding
PT77084B (en) Improvements relating to data transmission
KR840002786A (ko) 텔레비전 수상기
EP0095560A2 (en) Method for processing image data
DE3460418D1 (en) Method and circuit for picture error correction
KR900702720A (ko) 고 해상도 텔레비젼 전송 및 수신 시스템
HK1004053A1 (en) Data transmission in the active picture period
Pease Conditional vertical subsampling—A technique to assist in the coding of television signals
JPS592483A (ja) 画像領域分離方式
JPS5570164A (en) Multiple address communication system of facsimile
FR2654285B1 (fr) Systeme de compression d'images numeriques appartenant a une sequence d'images, a quantification adaptative en fonction d'une information psychovisuelle.
JPH041552B2 (pt)
US4536799A (en) Television method and apparatus
JPS5579569A (en) Linear coding system for facsimile signal
HEALY Digital video bandwidth compression systems employing block truncation coding
JPS57161980A (en) White level follower circuit
JPS57118473A (en) Photographic storing and telegraphing system with suppression of redunancy
JPS6489685A (en) Dynamic picture transmission device
JPS58215862A (ja) 高速フアクシミリ等におけるラインメモリ構成方法

Legal Events

Date Code Title Description
PC3A Transfer or assignment

Free format text: 940223 BRITISH TELECOMMUNICATIONS PUBLIC LIMITED GB

TE3A Change of address (patent)
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19960731