GB2171875B - Superimposing video images - Google Patents

Superimposing video images

Info

Publication number
GB2171875B
GB2171875B GB08604013A GB8604013A GB2171875B GB 2171875 B GB2171875 B GB 2171875B GB 08604013 A GB08604013 A GB 08604013A GB 8604013 A GB8604013 A GB 8604013A GB 2171875 B GB2171875 B GB 2171875B
Authority
GB
United Kingdom
Prior art keywords
video images
superimposing video
superimposing
images
video
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
GB08604013A
Other languages
English (en)
Other versions
GB8604013D0 (en
GB2171875A (en
Inventor
Brian Astle
Gerald David Ripley
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of GB8604013D0 publication Critical patent/GB8604013D0/en
Publication of GB2171875A publication Critical patent/GB2171875A/en
Application granted granted Critical
Publication of GB2171875B publication Critical patent/GB2171875B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/10—Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
GB08604013A 1985-02-28 1986-02-18 Superimposing video images Expired GB2171875B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70704485A 1985-02-28 1985-02-28

Publications (3)

Publication Number Publication Date
GB8604013D0 GB8604013D0 (en) 1986-03-26
GB2171875A GB2171875A (en) 1986-09-03
GB2171875B true GB2171875B (en) 1988-07-06

Family

ID=24840133

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08604013A Expired GB2171875B (en) 1985-02-28 1986-02-18 Superimposing video images

Country Status (6)

Country Link
JP (1) JPS61212172A (it)
KR (1) KR900005878B1 (it)
DE (1) DE3606456A1 (it)
FR (1) FR2578130B1 (it)
GB (1) GB2171875B (it)
IT (1) IT1188385B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220331B (en) * 1985-10-07 1990-09-12 Canon Kk Image processing system
JPS6282472A (ja) * 1985-10-07 1987-04-15 Canon Inc 画像処理方法
JP2693457B2 (ja) * 1987-10-26 1997-12-24 キヤノン株式会社 画像処理装置
JP2758180B2 (ja) * 1988-12-27 1998-05-28 株式会社東芝 縁取り信号処理回路
GB2246933A (en) * 1990-06-13 1992-02-12 Rank Cintel Ltd Production of multi-layered video composite
MY108648A (en) * 1991-05-03 1996-10-31 Thomson Consumer Electronic S A A television system having an ultrablack video signal blanking level for an on-screen character display.
US5261030A (en) * 1991-07-24 1993-11-09 Hughes Training, Inc. Real-time digital computer graphics processing method and apparatus
US5243447A (en) * 1992-06-19 1993-09-07 Intel Corporation Enhanced single frame buffer display system
EP0746840B1 (en) * 1994-12-23 2008-01-23 Nxp B.V. Single frame buffer image processing system
JP2812430B2 (ja) * 1996-07-22 1998-10-22 キヤノン株式会社 画像符号化方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131539A (en) * 1967-08-19 1968-10-23 Hanns H Wolff Television apparatus for synthesizing a combined display of a plurality of targets
GB1405881A (en) * 1971-08-07 1975-09-10 Image Analysing Computers Ltd Information selection in image analysis systems employing line scanning
US3989888A (en) * 1975-08-14 1976-11-02 Sarkes Tarzian, Inc. Horizontal and vertical soft edge video transition system with edge compression
DE2616593C2 (de) * 1976-04-14 1985-07-11 Robert Bosch Gmbh, 7000 Stuttgart System zur Umschaltung zwischen zwei Farbfernsehsignalen
JPS5423318A (en) * 1977-07-25 1979-02-21 Sony Corp Reduction system for crosstalk of wope screen
US4356511A (en) * 1978-05-23 1982-10-26 Sony Corporation Digital soft-edge video special effects generator
GB1605135A (en) * 1978-05-31 1982-02-10 Secretary Industry Brit Variable image display apparatus
US4293872A (en) * 1978-07-24 1981-10-06 Dr.-Ing. Rudolf Hell Gmbh Production of printing blocks or forms
US4183045A (en) * 1978-08-30 1980-01-08 Rca Corporation Chroma keying selector system
NL7903241A (nl) * 1979-04-25 1980-10-28 Philips Nv Televisie sleutelsignaalschakeling.
US4386363A (en) * 1981-04-10 1983-05-31 Ampex Corporation Chroma key switching signal generator
CA1187166A (en) * 1981-07-09 1985-05-14 Kaichi Yamamoto Digital chromakey apparatus
GB2113950B (en) * 1982-01-15 1986-10-01 Quantel Ltd Image composition system
DE3341371C2 (de) * 1982-11-16 1989-09-21 Dainippon Ink And Chemicals, Inc., Tokio/Tokyo Verfahren und Einrichtung zum Erzeugen eines kombinierten Bildsignals

Also Published As

Publication number Publication date
FR2578130B1 (fr) 1990-02-02
JPS61212172A (ja) 1986-09-20
KR860006890A (ko) 1986-09-15
IT8619414A0 (it) 1986-02-14
GB8604013D0 (en) 1986-03-26
IT8619414A1 (it) 1987-08-14
FR2578130A1 (fr) 1986-08-29
DE3606456C2 (it) 1988-09-08
IT1188385B (it) 1988-01-07
DE3606456A1 (de) 1986-09-04
KR900005878B1 (ko) 1990-08-13
JPH0581112B2 (it) 1993-11-11
GB2171875A (en) 1986-09-03

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20060217