JPH035118B2 - - Google Patents

Info

Publication number
JPH035118B2
JPH035118B2 JP9005181A JP9005181A JPH035118B2 JP H035118 B2 JPH035118 B2 JP H035118B2 JP 9005181 A JP9005181 A JP 9005181A JP 9005181 A JP9005181 A JP 9005181A JP H035118 B2 JPH035118 B2 JP H035118B2
Authority
JP
Japan
Prior art keywords
signal
key
color
color difference
chromaticity
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
JP9005181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57204691A (en
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 JPS57204691A (en) 1982-12-15
JPH035118B2 true 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)

Families Citing this family (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
JP2969272B2 (ja) * 1989-04-25 1999-11-02 ジーイー横河メディカルシステム株式会社 超音波診断装置
GB2243743A (en) * 1990-04-11 1991-11-06 Rank Cintel Ltd Digital colour video key signal generator using two programmable lookup tables

Also Published As

Publication number Publication date
JPS57204691A (en) 1982-12-15

Similar Documents

Publication Publication Date Title
Smith Color gamut transform pairs
EP0002365B1 (en) System for mixing two sequences of video data
EP0074824B1 (en) Chromakey apparatus
JP2946151B2 (ja) クロマキー発生回路
US6122012A (en) Method of selective color control of digital video images
KR20060115651A (ko) 색조, 채도, 휘도 방향으로 검출, 보정, 페이딩 및 처리방법
JPH05308654A (ja) 前景信号の一部に背景信号を挿入する方法及びその装置
JPH0212435B2 (enrdf_load_stackoverflow)
US7671871B2 (en) Graphical user interface for color correction using curves
JPH035118B2 (enrdf_load_stackoverflow)
JP3987592B2 (ja) 合成ビデオ信号の生成方法および回路
US8085277B2 (en) System and method for clipping values of pixels in one color space so not to exceed the limits of a second color space
TWI544451B (zh) 影像處理方法
JPH0239153B2 (enrdf_load_stackoverflow)
JPH02288562A (ja) テレビカメラの輪郭強調装置
JP4028615B2 (ja) 信号処理システムおよびイメージ処理装置、ならびに信号を変換するための回路
CA1165433A (en) Chroma keying system
JPS59140784A (ja) クロマキ−装置
JP2002064839A (ja) ピーククリップ方法およびピーククリップ回路
JPH0715743A (ja) 合成画像信号から前景画像信号を分離する方法
JPS6266791A (ja) クロマキ−装置
JPH0782307B2 (ja) 色変換装置
JPH06327026A (ja) 色検出回路、色検出回路を具えたカメラおよび所望の色を自動的に選択する方法
JP2843912B2 (ja) 画像処理方法
JPH0347631B2 (enrdf_load_stackoverflow)