JPS636197B2 - - Google Patents

Info

Publication number
JPS636197B2
JPS636197B2 JP4299180A JP4299180A JPS636197B2 JP S636197 B2 JPS636197 B2 JP S636197B2 JP 4299180 A JP4299180 A JP 4299180A JP 4299180 A JP4299180 A JP 4299180A JP S636197 B2 JPS636197 B2 JP S636197B2
Authority
JP
Japan
Prior art keywords
signal
color
image signal
image
correlation
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
JP4299180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56140785A (en
Inventor
Toshiro Watanabe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4299180A priority Critical patent/JPS56140785A/ja
Priority to US06/249,699 priority patent/US4394680A/en
Publication of JPS56140785A publication Critical patent/JPS56140785A/ja
Publication of JPS636197B2 publication Critical patent/JPS636197B2/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)
JP4299180A 1980-04-01 1980-04-01 Chromakey device Granted JPS56140785A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4299180A JPS56140785A (en) 1980-04-01 1980-04-01 Chromakey device
US06/249,699 US4394680A (en) 1980-04-01 1981-03-31 Color television signal processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4299180A JPS56140785A (en) 1980-04-01 1980-04-01 Chromakey device

Publications (2)

Publication Number Publication Date
JPS56140785A JPS56140785A (en) 1981-11-04
JPS636197B2 true JPS636197B2 (enrdf_load_stackoverflow) 1988-02-08

Family

ID=12651488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4299180A Granted JPS56140785A (en) 1980-04-01 1980-04-01 Chromakey device

Country Status (1)

Country Link
JP (1) JPS56140785A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0353681A (ja) * 1989-07-20 1991-03-07 Sharp Corp 画像表示装置
US5249039A (en) * 1991-11-18 1993-09-28 The Grass Valley Group, Inc. Chroma key method and apparatus

Also Published As

Publication number Publication date
JPS56140785A (en) 1981-11-04

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