Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AU557901B2 - Digital chroma keying - Google Patents
[go: Go Back, main page]

AU557901B2 - Digital chroma keying - Google Patents

Digital chroma keying

Info

Publication number
AU557901B2
AU557901B2 AU85650/82A AU8565082A AU557901B2 AU 557901 B2 AU557901 B2 AU 557901B2 AU 85650/82 A AU85650/82 A AU 85650/82A AU 8565082 A AU8565082 A AU 8565082A AU 557901 B2 AU557901 B2 AU 557901B2
Authority
AU
Australia
Prior art keywords
chroma keying
digital chroma
digital
keying
chroma
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.)
Ceased
Application number
AU85650/82A
Other versions
AU8565082A (en
Inventor
Kaichi Yamamoto
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of AU8565082A publication Critical patent/AU8565082A/en
Application granted granted Critical
Publication of AU557901B2 publication Critical patent/AU557901B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/75—Chroma key

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Studio Circuits (AREA)
AU85650/82A 1981-07-09 1982-07-06 Digital chroma keying Ceased AU557901B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56-107421 1981-07-09
JP56107421A JPS589476A (en) 1981-07-09 1981-07-09 Controller of digital key signal
JP56-107420 1981-07-09

Publications (2)

Publication Number Publication Date
AU8565082A AU8565082A (en) 1983-01-13
AU557901B2 true AU557901B2 (en) 1987-01-15

Family

ID=14458713

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85650/82A Ceased AU557901B2 (en) 1981-07-09 1982-07-06 Digital chroma keying

Country Status (2)

Country Link
JP (1) JPS589476A (en)
AU (1) AU557901B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU593812B2 (en) * 1985-04-12 1990-02-22 Ampex Corporation Gain determinant key for an inserted image area
AU628731B2 (en) * 1990-04-11 1992-09-17 Rank Cintel Limited Improved keying methods for digital video

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180381A (en) * 1984-02-28 1985-09-14 Mitsubishi Electric Corp Signal processor
JPS60180387A (en) * 1984-02-28 1985-09-14 Mitsubishi Electric Corp Display device
JPS60182284A (en) * 1984-02-28 1985-09-17 Mitsubishi Electric Corp Digital transmission system
US4800432A (en) * 1986-10-24 1989-01-24 The Grass Valley Group, Inc. Video Difference key generator
DE69625313T2 (en) * 1995-05-12 2003-10-16 Sony Corp., Tokio/Tokyo DEVICE FOR GENERATING PUNCH SIGNALS, DEVICE FOR CREATING PICTURE, METHOD FOR GENERATING PUNCH SIGNALS AND METHOD FOR CREATING IMAGE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315022A (en) * 1976-07-27 1978-02-10 Nec Corp Chroma gate signal generator
JPS6021514B2 (en) * 1977-07-12 1985-05-28 新明和工業株式会社 TV video signal synthesis circuit
NL7903241A (en) * 1979-04-25 1980-10-28 Philips Nv TELEVISION KEY SIGNAL SWITCH.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU593812B2 (en) * 1985-04-12 1990-02-22 Ampex Corporation Gain determinant key for an inserted image area
AU628731B2 (en) * 1990-04-11 1992-09-17 Rank Cintel Limited Improved keying methods for digital video

Also Published As

Publication number Publication date
JPS589476A (en) 1983-01-19
AU8565082A (en) 1983-01-13
JPH0239153B2 (en) 1990-09-04

Similar Documents

Publication Publication Date Title
AU538466B2 (en) Polysilazane
AU549472B2 (en) Digital filtering
AU547542B2 (en) Conference communication
AU530445B2 (en) Digital radio system
AU2787284A (en) digital
AU564753B2 (en) Digital exchange
AU558853B2 (en) Digital filter
AU568814B2 (en) Digital adder circuitry
AU8663882A (en) Digital filter
AU554713B2 (en) Digital receiver calling
AU7863381A (en) Digital pbx system
AU557297B2 (en) Digital colour television signal demodulator
AU575128B2 (en) Digital telephone
AU557901B2 (en) Digital chroma keying
DE3264638D1 (en) Digital connection network
AU535991B2 (en) Digital controller
AU549938B2 (en) Digital communication
AU548753B2 (en) Digital switchblock
AU7524381A (en) Additive-colour photograph enlargement
GB2086686B (en) Chroma keying
AU8989482A (en) Digital chrominance/luminance separator
AU8698282A (en) Digital filter
AU563066B2 (en) 8-haloalkyl-4h-benzo(b)pyran-4-ones
AU579180B2 (en) Digital communication system
AU9145182A (en) Transparentising colour image