KR870001745A - 컬러 화상표시 시스템 - Google Patents

컬러 화상표시 시스템 Download PDF

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Publication number
KR870001745A
KR870001745A KR1019860003359A KR860003359A KR870001745A KR 870001745 A KR870001745 A KR 870001745A KR 1019860003359 A KR1019860003359 A KR 1019860003359A KR 860003359 A KR860003359 A KR 860003359A KR 870001745 A KR870001745 A KR 870001745A
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KR
South Korea
Prior art keywords
color
image display
color image
display system
image
Prior art date
Application number
KR1019860003359A
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English (en)
Other versions
KR910000545B1 (ko
Inventor
신이찌 이와이
사까에 우노
Original Assignee
인터내셔널 비지네스 머신즈 코포레이션
제이·에이취·그래디
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 인터내셔널 비지네스 머신즈 코포레이션, 제이·에이취·그래디 filed Critical 인터내셔널 비지네스 머신즈 코포레이션
Publication of KR870001745A publication Critical patent/KR870001745A/ko
Application granted granted Critical
Publication of KR910000545B1 publication Critical patent/KR910000545B1/ko

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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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

내용 없음.

Description

컬러 화상표시 시스템
제1도는 본 발명을 적용할 수 있는 컬러 화상표시 시스템의 구성을 도시하는 블럭도.
제2도는 CLT의 구성 및 화상과의 관계를 도시하는 도면.
제3도는 양자화기의구성을 도시하는 블럭도.
* 도면의 주요부분에 대한 부호의 설명
10 : 입력화상 12 : 양자화기
14 : 프레임버퍼 16 : 컬러 룩업 테이블
18 : 디지탈-아나로그변환기 20 : CRT
30 : 비트 변환부 38 : 대표색 선택부
40 : 색도 히스토그램 작성부 42 : 대표색 매퍼
44 : 인코더

Claims (3)

  1. 입력화상을 양자화하여 프레임·버퍼에 서입, 그 내용에 의해 컬러·룩업·테이블을 억세스하여 컬러 화상을 표시하는 컬러 화상표시 시스템으로, 상기 테이블을 공용영역과 화상 대응의 복수의 전용영역으로 나누고, 상기 공용영역에는 동시표시할 복수의 컬러 화상이 공통으로 사용되는 색을 격납하여 두고, 상기 전용영역에는 대응하는 컬러 화상에 고유의 색을 격납하여 두는 것을 특징으로 하는 컬러 화상표시 시스템.
  2. 제1항에 있어서, 상기공용영역에 격납하는 색은 희망하는 색공간의 동일 샘플링에 의해 선택하고, 상기 전용영역에 격납하는 색은 화상마다의 적응 샘플링에 의해 선택하는 것을 특징으로 하는 컬러 화상표시 시스템.
  3. 제2항에 있어서, 상기 적응 샘플링에 있어서는, 사용빈도가 높은색 외에, 소정치 보다도 많은 화소수의 색도의 그룹 중에서 명도에 의거하여 색을 선택하는 것을 특징으로 하는 컬러 화상표시 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860003359A 1985-07-04 1986-04-30 컬러 화상 표시 시스템 KR910000545B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP60145879A JPS628193A (ja) 1985-07-04 1985-07-04 カラー画像表示装置
JP145,879 1985-07-04
JP145.879 1985-07-04

Publications (2)

Publication Number Publication Date
KR870001745A true KR870001745A (ko) 1987-03-17
KR910000545B1 KR910000545B1 (ko) 1991-01-26

Family

ID=15395158

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860003359A KR910000545B1 (ko) 1985-07-04 1986-04-30 컬러 화상 표시 시스템

Country Status (11)

Country Link
US (1) US4710806A (ko)
EP (1) EP0210423B1 (ko)
JP (1) JPS628193A (ko)
KR (1) KR910000545B1 (ko)
CN (1) CN1012302B (ko)
BR (1) BR8602934A (ko)
CA (1) CA1262784A (ko)
DE (1) DE3684826D1 (ko)
GB (1) GB2177568B (ko)
IN (1) IN167248B (ko)
PH (1) PH23647A (ko)

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Also Published As

Publication number Publication date
CN1012302B (zh) 1991-04-03
EP0210423A2 (en) 1987-02-04
EP0210423A3 (en) 1989-10-04
CN86102722A (zh) 1986-12-31
GB8615788D0 (en) 1986-08-06
US4710806A (en) 1987-12-01
BR8602934A (pt) 1987-03-17
GB2177568B (en) 1989-07-12
DE3684826D1 (de) 1992-05-21
JPH0443587B2 (ko) 1992-07-17
PH23647A (en) 1989-09-27
IN167248B (ko) 1990-09-29
KR910000545B1 (ko) 1991-01-26
JPS628193A (ja) 1987-01-16
GB2177568A (en) 1987-01-21
CA1262784A (en) 1989-11-07
EP0210423B1 (en) 1992-04-15

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