JPS5244120A - Color information detection circuit - Google Patents

Color information detection circuit

Info

Publication number
JPS5244120A
JPS5244120A JP11969075A JP11969075A JPS5244120A JP S5244120 A JPS5244120 A JP S5244120A JP 11969075 A JP11969075 A JP 11969075A JP 11969075 A JP11969075 A JP 11969075A JP S5244120 A JPS5244120 A JP S5244120A
Authority
JP
Japan
Prior art keywords
detection circuit
color information
information detection
color signal
taken out
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.)
Granted
Application number
JP11969075A
Other languages
Japanese (ja)
Other versions
JPS5838025B2 (en
Inventor
Keinosuke Murakami
Isamu Kutsuwada
Kazumasa Enami
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting 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 Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP50119690A priority Critical patent/JPS5838025B2/en
Publication of JPS5244120A publication Critical patent/JPS5244120A/en
Publication of JPS5838025B2 publication Critical patent/JPS5838025B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: The color signal containing hue and chroma of specified range is detected and extracted. After this, only the color signal that has the brightness of prescribed range is taken out. In this way, only the specified color signal can be taken out in a stabilized and assured way.
COPYRIGHT: (C)1977,JPO&Japio
JP50119690A 1975-10-06 1975-10-06 Irojiyouhokenshiyutsu warmer Expired JPS5838025B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50119690A JPS5838025B2 (en) 1975-10-06 1975-10-06 Irojiyouhokenshiyutsu warmer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50119690A JPS5838025B2 (en) 1975-10-06 1975-10-06 Irojiyouhokenshiyutsu warmer

Publications (2)

Publication Number Publication Date
JPS5244120A true JPS5244120A (en) 1977-04-06
JPS5838025B2 JPS5838025B2 (en) 1983-08-19

Family

ID=14767634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50119690A Expired JPS5838025B2 (en) 1975-10-06 1975-10-06 Irojiyouhokenshiyutsu warmer

Country Status (1)

Country Link
JP (1) JPS5838025B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718182A (en) * 1980-07-09 1982-01-29 Toshiba Corp Color signal generator
JPS59212089A (en) * 1983-05-18 1984-11-30 Sony Corp Chromakey device
JPS60194696A (en) * 1984-03-15 1985-10-03 Toshiba Corp Digital chromakey device
JPS614011A (en) * 1984-06-18 1986-01-09 Canon Inc Automatic tracking device of camera
US4718089A (en) * 1983-12-08 1988-01-05 Kubota, Ltd. Method and apparatus for detecting objects based upon color signal separation
JPH03226189A (en) * 1990-01-31 1991-10-07 Nec Home Electron Ltd Title picture insertion device
JPH0564078A (en) * 1991-08-30 1993-03-12 Victor Co Of Japan Ltd Video signal processing circuit
JPH0746477A (en) * 1991-08-22 1995-02-14 Victor Co Of Japan Ltd Title picture data generating circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225529A (en) * 1975-08-20 1977-02-25 Philips Nv Color television chromakeying signal generator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225529A (en) * 1975-08-20 1977-02-25 Philips Nv Color television chromakeying signal generator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718182A (en) * 1980-07-09 1982-01-29 Toshiba Corp Color signal generator
JPS59212089A (en) * 1983-05-18 1984-11-30 Sony Corp Chromakey device
JPH0634516B2 (en) * 1983-05-18 1994-05-02 ソニー株式会社 Chromaki device
US4718089A (en) * 1983-12-08 1988-01-05 Kubota, Ltd. Method and apparatus for detecting objects based upon color signal separation
JPS60194696A (en) * 1984-03-15 1985-10-03 Toshiba Corp Digital chromakey device
JPS614011A (en) * 1984-06-18 1986-01-09 Canon Inc Automatic tracking device of camera
JPH03226189A (en) * 1990-01-31 1991-10-07 Nec Home Electron Ltd Title picture insertion device
JPH0746477A (en) * 1991-08-22 1995-02-14 Victor Co Of Japan Ltd Title picture data generating circuit
JPH0564078A (en) * 1991-08-30 1993-03-12 Victor Co Of Japan Ltd Video signal processing circuit

Also Published As

Publication number Publication date
JPS5838025B2 (en) 1983-08-19

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