JPS57204691A - Key signal generating method of chromakey device - Google Patents

Key signal generating method of chromakey device

Info

Publication number
JPS57204691A
JPS57204691A JP9005181A JP9005181A JPS57204691A JP S57204691 A JPS57204691 A JP S57204691A JP 9005181 A JP9005181 A JP 9005181A JP 9005181 A JP9005181 A JP 9005181A JP S57204691 A JPS57204691 A JP S57204691A
Authority
JP
Japan
Prior art keywords
signal
supplied
color difference
key signal
color
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
JP9005181A
Other languages
English (en)
Japanese (ja)
Other versions
JPH035118B2 (enrdf_load_stackoverflow
Inventor
Yoshikazu 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
Priority to JP9005181A priority Critical patent/JPS57204691A/ja
Publication of JPS57204691A publication Critical patent/JPS57204691A/ja
Publication of JPH035118B2 publication Critical patent/JPH035118B2/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)
JP9005181A 1981-06-11 1981-06-11 Key signal generating method of chromakey device Granted JPS57204691A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9005181A JPS57204691A (en) 1981-06-11 1981-06-11 Key signal generating method of chromakey device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9005181A JPS57204691A (en) 1981-06-11 1981-06-11 Key signal generating method of chromakey device

Publications (2)

Publication Number Publication Date
JPS57204691A true JPS57204691A (en) 1982-12-15
JPH035118B2 JPH035118B2 (enrdf_load_stackoverflow) 1991-01-24

Family

ID=13987799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9005181A Granted JPS57204691A (en) 1981-06-11 1981-06-11 Key signal generating method of chromakey device

Country Status (1)

Country Link
JP (1) JPS57204691A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59140784A (ja) * 1983-01-31 1984-08-13 Sony Corp クロマキ−装置
JPH02283359A (ja) * 1989-04-25 1990-11-20 Yokogawa Medical Syst Ltd Ｃｆｍ付超音波診断装置
US5070397A (en) * 1990-04-11 1991-12-03 Rank Cintel Limited Keying methods for digital video

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59140784A (ja) * 1983-01-31 1984-08-13 Sony Corp クロマキ−装置
JPH02283359A (ja) * 1989-04-25 1990-11-20 Yokogawa Medical Syst Ltd Ｃｆｍ付超音波診断装置
US5070397A (en) * 1990-04-11 1991-12-03 Rank Cintel Limited Keying methods for digital video

Also Published As

Publication number Publication date
JPH035118B2 (enrdf_load_stackoverflow) 1991-01-24

Similar Documents

Publication Publication Date Title
EP0264965A3 (en) Video difference key generator
DE3277959D1 (en) Chromakey apparatus
CA2093449A1 (en) Electronic Film Development
JPS5666974A (en) Picture forming method
CA2090581A1 (en) Image processing method and apparatus
DE3373253D1 (en) Image processing apparatus
GB8415996D0 (en) Image model
ES2088792T3 (es) Transformacion en tiempo real entre espacios de color.
JPS57204691A (en) Key signal generating method of chromakey device
EP0350930A3 (en) Color image processing apparatus
CA2117030A1 (en) Color Reproducing Method Used in an Image Data Processing System Comprising Independent Input and Output Devices
JPS5612176A (en) Adjustment tape of color television receiver
CA2090449A1 (en) Image processing apparatus
SE8503872L (sv) Bildrordrivkrets i ett digitalvideosignalbehandlingssystem
GB2275147B (en) Method of seperating a foreground picture signal from a mixed picture signal,using gamma correction,and arrangement for performing said method
JPS55156480A (en) Picture processing system
JPS6484977A (en) Picture processor
JPS6456426A (en) Optical a/d converter
EP0325118A3 (en) Method and apparatus for forming multicolored images
JPS53138628A (en) Compressed data reproducing method using interpolation
GB8411688D0 (en) Colorizing footage
SU502522A1 (ru) Способ цветного отображени штриховой информации
JPS57147373A (en) Digital picture reproducer
JPS5920309B2 (ja) 画像処理方式
JPS5977487A (ja) パタ−ン表示駆動装置