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 languages
English (en)
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)
  • Studio Circuits (AREA)
  • Processing Of Color Television Signals (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
JP56-107420 1981-07-09
JP56107421A JPS589476A (ja) 1981-07-09 1981-07-09 キー信号調整装置

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 (enrdf_load_stackoverflow)
AU (1) AU557901B2 (enrdf_load_stackoverflow)

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
JPS60180387A (ja) * 1984-02-28 1985-09-14 Mitsubishi Electric Corp 表示装置
JPS60182284A (ja) * 1984-02-28 1985-09-17 Mitsubishi Electric Corp デイジタル伝送システム
JPS60180381A (ja) * 1984-02-28 1985-09-14 Mitsubishi Electric Corp 信号処理装置
US4800432A (en) * 1986-10-24 1989-01-24 The Grass Valley Group, Inc. Video Difference key generator
WO1996036168A1 (fr) * 1995-05-12 1996-11-14 Sony Corporation Dispositif generateur de signaux codes, dispositif de formation d'images, procede de generation de signaux codes et procede de formation d'images

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 (ja) * 1977-07-12 1985-05-28 新明和工業株式会社 テレビ映像信号の合成回路
NL7903241A (nl) * 1979-04-25 1980-10-28 Philips Nv Televisie sleutelsignaalschakeling.

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 (ja) 1983-01-19
JPH0239153B2 (enrdf_load_stackoverflow) 1990-09-04
AU8565082A (en) 1983-01-13

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