KR930003767A - Luminance / Color Separation System - Google Patents

Luminance / Color Separation System Download PDF

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Publication number
KR930003767A
KR930003767A KR1019910012913A KR910012913A KR930003767A KR 930003767 A KR930003767 A KR 930003767A KR 1019910012913 A KR1019910012913 A KR 1019910012913A KR 910012913 A KR910012913 A KR 910012913A KR 930003767 A KR930003767 A KR 930003767A
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KR
South Korea
Prior art keywords
signal
line
luminance
separation system
output signal
Prior art date
Application number
KR1019910012913A
Other languages
Korean (ko)
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KR940001442B1 (en
Inventor
방준원
Original Assignee
이헌조
주식회사 금성사
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.)
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Publication date
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019910012913A priority Critical patent/KR940001442B1/en
Priority to JP4199816A priority patent/JP2601601B2/en
Publication of KR930003767A publication Critical patent/KR930003767A/en
Application granted granted Critical
Publication of KR940001442B1 publication Critical patent/KR940001442B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

내용 없음.No content.

Description

휘도/색도 분리 시스템Luminance / Color Separation System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 라인 콤 필터에 의한 본 발명 휘도/색도 분리시스템의 블록도,3 is a block diagram of a luminance / chromatic separation system of the present invention by a line comb filter;

제4도는 프레임 콤 필터에 의한 본 발명 휘도/색도 분리시스템의 블록도,4 is a block diagram of a luminance / chromatic separation system of the present invention by a frame comb filter;

제5도는 제3도에서 라인 콤 필터와 라인 상관 검출기의 상세 블록도,5 is a detailed block diagram of a line comb filter and a line correlation detector in FIG.

제6도는 제4도에서 대역통과 필터와 색도신호 검출기의 상세 블록도.6 is a detailed block diagram of the bandpass filter and chroma signal detector in FIG.

Claims (5)

라인 콤필터에 의해 휘도/색도를 분리하는 시스템에서 라인 콤필터(20)와 대역통과필터(21)의 출력신호중의 하나를 선택할때 라인 상관관계가 양호한 필터링 신호가 선택되게 하는 것을 특징으로 하는 휘도/색도 분리 시스템.Luminance characterized in that a filtering signal having a good line correlation is selected when one of the output signals of the line comb filter 20 and the band pass filter 21 is selected in a system for separating the luminance and chromaticity by the line comb filter. Color separation system. 제1항에 있어서, 현재 라인과 이웃하는 라인간의 차신호에 의해 현재라인과 이전라인의 차신호, 현재라인신호, 현재라인과 2라인 이전의 차신호중에서 하나가 선택되게 하는 특징으로 하는 휘도/색도 분리 시스템.2. A luminance device according to claim 1, wherein one of the difference signal between the current line and the previous line, the current line signal, and the difference signal between the current line and the previous two lines is selected by the difference signal between the current line and the neighboring line. Chromatic separation system. 제1항에 있어서, 라인 콤필터(20)의 출력신호나 대역 통과필터(21)의 출력신호들 선택할때 색도신호(C)에 의해 선택신호가 결정되게 하는 것을 특징으로 하는 휘도/색도 분리 시스템.2. The luminance / chromatic separation system according to claim 1, wherein the selection signal is determined by the chroma signal (C) when the output signal of the line comb filter (20) or the output signals of the band pass filter (21) are selected. . 프레임 콤필터와 라인 콤필터에 의해 휘도/색도를 분리하는 움직임 적응형 분리 시스템에서, 라인 상관검출기(35), 색도신호검출기(36)의 출력신호에 의해 라인 콤필터(32)와 출력신호와 대역통과필터(33)의 출력신호가 선택되게 하고, 이 선택된 신호와 프레임 콤필터(31)의 출력신호를 연산할때 움직임 신호발진기(35)의 출력신호에 의해 움직임 계수(K)가 결정되게 하는 것을 특징으로 하는 휘도/색도 분리 시스템.In a motion adaptive separation system that separates luminance / chrominance by a frame comb filter and a line comb filter, the line comb filter 32 and the output signal and the output signal of the line correlation detector 35 and the chroma signal detector 36 The output signal of the band pass filter 33 is selected, and the motion coefficient K is determined by the output signal of the motion signal oscillator 35 when calculating the selected signal and the output signal of the frame comb filter 31. Luminance / chromaticity separation system characterized in that. 제4항에 있어서, 라인 상관 검출기(34)의 출력신호와 움직임 검출기(35)의 출력신호를 조합하여 움직일 신호가 생성되게 하는 것을 특징으로 하는 휘도/색도 분리 시스템.5. A luminance / chromatic separation system according to claim 4, characterized in that the output signal of the line correlation detector (34) and the output signal of the motion detector (35) are combined to produce a moving signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910012913A 1991-07-26 1991-07-26 Luminance and chroma signal separation system KR940001442B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019910012913A KR940001442B1 (en) 1991-07-26 1991-07-26 Luminance and chroma signal separation system
JP4199816A JP2601601B2 (en) 1991-07-26 1992-07-27 Luminance and chrominance signal separation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910012913A KR940001442B1 (en) 1991-07-26 1991-07-26 Luminance and chroma signal separation system

Publications (2)

Publication Number Publication Date
KR930003767A true KR930003767A (en) 1993-02-24
KR940001442B1 KR940001442B1 (en) 1994-02-23

Family

ID=19317865

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910012913A KR940001442B1 (en) 1991-07-26 1991-07-26 Luminance and chroma signal separation system

Country Status (2)

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JP (1) JP2601601B2 (en)
KR (1) KR940001442B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09224260A (en) * 1996-02-19 1997-08-26 Matsushita Electric Ind Co Ltd Y/c separator
US6384873B1 (en) * 1999-12-03 2002-05-07 Thomson Licensing S.A. Vector magnitude control of a comb filter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787591B2 (en) * 1987-02-20 1995-09-20 日本電気ホームエレクトロニクス株式会社 Y / C separation device
JPS63269693A (en) * 1987-04-27 1988-11-07 Victor Co Of Japan Ltd Color video signal processing circuit

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Publication number Publication date
JP2601601B2 (en) 1997-04-16
JPH06105332A (en) 1994-04-15
KR940001442B1 (en) 1994-02-23

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