CA921605A - Redundancy reduction video encoding with cropping of picture edges - Google Patents

Redundancy reduction video encoding with cropping of picture edges

Info

Publication number
CA921605A
CA921605A CA104770A CA104770A CA921605A CA 921605 A CA921605 A CA 921605A CA 104770 A CA104770 A CA 104770A CA 104770 A CA104770 A CA 104770A CA 921605 A CA921605 A CA 921605A
Authority
CA
Canada
Prior art keywords
cropping
video encoding
redundancy reduction
reduction video
picture edges
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
Application number
CA104770A
Other languages
English (en)
Other versions
CA104770S (en
Inventor
C. Candy James
M. Franke Gladys
W. Mounts Frank
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA921605A publication Critical patent/CA921605A/en
Expired 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
    • 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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
CA104770A 1970-06-15 1971-02-08 Redundancy reduction video encoding with cropping of picture edges Expired CA921605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4629270A 1970-06-15 1970-06-15

Publications (1)

Publication Number Publication Date
CA921605A true CA921605A (en) 1973-02-20

Family

ID=21942669

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104770A Expired CA921605A (en) 1970-06-15 1971-02-08 Redundancy reduction video encoding with cropping of picture edges

Country Status (8)

Country Link
US (1) US3670096A (pt)
JP (1) JPS5718390B1 (pt)
BE (1) BE768472A (pt)
CA (1) CA921605A (pt)
DE (1) DE2129454C2 (pt)
FR (1) FR2095261B1 (pt)
GB (1) GB1326450A (pt)
SE (1) SE373479B (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838420A (en) * 1972-08-29 1974-09-24 Hughes Aircraft Co Coordinate store digital scan converter
SE366454B (pt) * 1972-10-12 1974-04-22 Ericsson Telefon Ab L M
US4439765A (en) * 1980-11-19 1984-03-27 Hughes Aircraft Company Radar video processor
EP0103380B1 (en) * 1982-07-23 1986-10-08 British Telecommunications Improvements relating to data transmission
JPS6029068A (ja) * 1983-06-16 1985-02-14 Nec Corp 伝送誤り検出方式
US4546385A (en) * 1983-06-30 1985-10-08 International Business Machines Corporation Data compression method for graphics images
DE3342373A1 (de) * 1983-11-21 1985-05-30 Wolfram Dipl.-Ing. 1000 Berlin Liebsch Digitales uebertragungsverfahren fuer analogsignale
CA1252569A (en) * 1985-09-13 1989-04-11 Akihiro Furukawa Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures
US4706260A (en) * 1986-11-07 1987-11-10 Rca Corporation DPCM system with rate-of-fill control of buffer occupancy
US4958378A (en) * 1989-04-26 1990-09-18 Sun Microsystems, Inc. Method and apparatus for detecting changes in raster data
SE468736B (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter
JP4355156B2 (ja) 2002-04-16 2009-10-28 パナソニック株式会社 画像復号化方法及び画像復号化装置
TW200607355A (en) * 2004-05-04 2006-02-16 Qualcomm Inc Method and apparatus for motion compensated frame rate up conversion for block-based low bit rate video
RU2370909C2 (ru) * 2004-07-01 2009-10-20 Квэлкомм Инкорпорейтед Способ и устройство для использования способов преобразования кадров с повышением частоты кадров при кодировании масштабируемого видео
KR101016168B1 (ko) * 2004-07-20 2011-02-17 콸콤 인코포레이티드 비디오 압축에 대한 인코더 보조-프레임 레이트 업 컨버젼(ｅａ-ｆｒｕｃ)을 위한 방법 및 장치
US8553776B2 (en) * 2004-07-21 2013-10-08 QUALCOMM Inorporated Method and apparatus for motion vector assignment
US20070230564A1 (en) * 2006-03-29 2007-10-04 Qualcomm Incorporated Video processing with scalability
US8634463B2 (en) * 2006-04-04 2014-01-21 Qualcomm Incorporated Apparatus and method of enhanced frame interpolation in video compression
US8750387B2 (en) * 2006-04-04 2014-06-10 Qualcomm Incorporated Adaptive encoder-assisted frame rate up conversion

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061672A (en) * 1960-07-25 1962-10-30 Sperry Rand Corp Run length encoder
US3299204A (en) * 1962-08-29 1967-01-17 Nat Res Dev Television and like data transmission systems
GB1029815A (en) * 1962-08-29 1966-05-18 Nat Res Dev Improvements in television and like data transmission systems
US3423526A (en) * 1965-01-21 1969-01-21 Hughes Aircraft Co Narrow-band television
US3472953A (en) * 1966-03-17 1969-10-14 Xerox Corp Graphic communication system for transmitting reduced redundancy signals at the maximum rate of the communication link
US3499975A (en) * 1966-12-12 1970-03-10 Ibm Repeated scan digitally coded facsimile transmission
BE741433A (pt) * 1968-11-13 1970-04-16

Also Published As

Publication number Publication date
US3670096A (en) 1972-06-13
BE768472A (fr) 1971-11-03
FR2095261B1 (pt) 1976-08-20
FR2095261A1 (pt) 1972-02-11
SE373479B (pt) 1975-02-03
DE2129454C2 (de) 1982-05-19
DE2129454A1 (de) 1971-12-23
JPS5718390B1 (pt) 1982-04-16
GB1326450A (en) 1973-08-15

Similar Documents

Publication Publication Date Title
CA921605A (en) Redundancy reduction video encoding with cropping of picture edges
CA934158A (en) Interconnecting picture frames
CA958926A (en) Microfilm viewer
CA948765A (en) Continuous television film projection system
AU1324270A (en) Improvements in television projection systems
AU465317B2 (en) Improvements in television systems
CA930016A (en) Degaussing circuit
AU440977B2 (en) Television decoder
CA964502A (en) Cartridge-loaded sound motion picture projection
CA834506A (en) Picture viewer
CA849774A (en) Picture reproduction
CA961875A (en) Picture projector
CA837442A (en) Motion picture projector
CA837860A (en) Motion picture system
CA851957A (en) Motion picture system
CA883956A (en) Motion-picture and television system
CA848608A (en) Television cameras
CA852958A (en) Motion picture film
CA857523A (en) Television and like cameras
CA840628A (en) Image formation and projection
CA838871A (en) Image formation and projection
CA838044A (en) Image reproduction
CA839517A (en) Image motion stabilization system
AU469931B2 (en) Motion picture projector
CA872119A (en) Motion picture projector