JPH0527312B2 - - Google Patents

Info

Publication number
JPH0527312B2
JPH0527312B2 JP58014297A JP1429783A JPH0527312B2 JP H0527312 B2 JPH0527312 B2 JP H0527312B2 JP 58014297 A JP58014297 A JP 58014297A JP 1429783 A JP1429783 A JP 1429783A JP H0527312 B2 JPH0527312 B2 JP H0527312B2
Authority
JP
Japan
Prior art keywords
color
distance
key
data
key signal
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 - Lifetime
Application number
JP58014297A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59140784A (ja
Inventor
Yoshikazu Yamamoto
Yasuhiro Fujimori
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
Priority to JP1429783A priority Critical patent/JPS59140784A/ja
Publication of JPS59140784A publication Critical patent/JPS59140784A/ja
Publication of JPH0527312B2 publication Critical patent/JPH0527312B2/ja
Granted 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)
JP1429783A 1983-01-31 1983-01-31 クロマキ−装置 Granted JPS59140784A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1429783A JPS59140784A (ja) 1983-01-31 1983-01-31 クロマキ−装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1429783A JPS59140784A (ja) 1983-01-31 1983-01-31 クロマキ−装置

Publications (2)

Publication Number Publication Date
JPS59140784A JPS59140784A (ja) 1984-08-13
JPH0527312B2 true JPH0527312B2 (fr) 1993-04-20

Family

ID=11857153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1429783A Granted JPS59140784A (ja) 1983-01-31 1983-01-31 クロマキ−装置

Country Status (1)

Country Link
JP (1) JPS59140784A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998011735A1 (fr) * 1996-09-12 1998-03-19 Sony Corporation Processeur de signaux video

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8420890D0 (en) * 1984-08-16 1984-09-19 Quantel Ltd Video editing systems
US5231504A (en) * 1991-12-30 1993-07-27 Xerox Corporation Method for improved color reproduction using linear mixing calculations based on positional relationships between an original color and an achromatic region in a linear mixing space
JP4773739B2 (ja) * 2005-04-13 2011-09-14 キヤノン株式会社 画像処理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155129A (fr) * 1974-06-03 1975-12-15
JPS5742283A (en) * 1980-08-26 1982-03-09 Matsushita Electric Ind Co Ltd Chromachy signal generator
JPS57204691A (en) * 1981-06-11 1982-12-15 Sony Corp Key signal generating method of chromakey device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155129A (fr) * 1974-06-03 1975-12-15
JPS5742283A (en) * 1980-08-26 1982-03-09 Matsushita Electric Ind Co Ltd Chromachy signal generator
JPS57204691A (en) * 1981-06-11 1982-12-15 Sony Corp Key signal generating method of chromakey device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998011735A1 (fr) * 1996-09-12 1998-03-19 Sony Corporation Processeur de signaux video

Also Published As

Publication number Publication date
JPS59140784A (ja) 1984-08-13

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