KR910005698A - Color signal and luminance signal motion detection circuit - Google Patents

Color signal and luminance signal motion detection circuit Download PDF

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Publication number
KR910005698A
KR910005698A KR1019890011642A KR890011642A KR910005698A KR 910005698 A KR910005698 A KR 910005698A KR 1019890011642 A KR1019890011642 A KR 1019890011642A KR 890011642 A KR890011642 A KR 890011642A KR 910005698 A KR910005698 A KR 910005698A
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KR
South Korea
Prior art keywords
signal
frame
composite video
video signal
output
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KR1019890011642A
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Korean (ko)
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KR920003396B1 (en
Inventor
신윤복
이정상
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강진구
삼성전자 주식회사
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Priority to KR1019890011642A priority Critical patent/KR920003396B1/en
Publication of KR910005698A publication Critical patent/KR910005698A/en
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Publication of KR920003396B1 publication Critical patent/KR920003396B1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/77Circuits 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

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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

색신호 및 휘도신호 움직임량 검출회로Color signal and luminance signal motion detection circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명의 블럭도.2 is a block diagram of the present invention.

Claims (2)

동작 적응형 디지탈 텔레비젼의 칼라신호 동작량 검출회로에 있어서, 현재의 복합영상신호(V)와 1프레임 지연된 복합영상신호(VF)를 필터링하여 칼라성분과 휘도성분을 분리하는 제1프레임콤(10)과, 1H 지연된 복합영상신호(VH)와 1프레임과 1H 지연된 복합영상신호(VFH)를 필터링하여 칼라성분과 휘도성분을 분리하는 제2프레임콤(20)과, 제1프레임콤(10) 출력신호에 제2프레임콤(20) 출력신호를 감산하여 차분을 검출하는 차분검출부(30)와, 상기 차분검출부(30)출력의 휘도성분을 제거하는 밴드패스필터(40)와, 상기 밴드패스필터(40) 출력의 절대치를 구하여 색신호의 동작량을 검출하는 절대치처리부(50)로 구성됨을 특징으로 하는 회로.A color signal operation amount detection circuit of a motion-adaptive digital television, comprising: a first frame comb (10) for filtering a current composite video signal (V) and a composite video signal (VF) delayed by one frame to separate color and luminance components; ), A second frame comb 20 for separating a color component and a luminance component by filtering a 1 H delayed composite video signal VH and a 1 frame delayed composite video signal VFH, and a first frame comb 10. A difference detector 30 for detecting the difference by subtracting the output signal of the second frame comb 20 to the output signal, a band pass filter 40 for removing the luminance component of the output of the difference detector 30, and the band pass And an absolute value processing section (50) which detects an absolute value of the output of the filter (40) and detects an operation amount of the color signal. 동작 적응형 디지탈 텔레비젼의 휘도신호 동작량 검출회로에 있어서, 현재의 복합영상신호(V)와 1프레임 지연된 복합영상신호(VH)를 필터링하여 칼라성분과 휘도성분을 분리하는 제3프레임콤과, 1H 지연된 복합영상신호(VH)와 1프레임과 1H 지연된 복합영상신호(VFH)를 필터링하여 칼라성분과 휘도성분을 분리하는 제4프레임콤과 , 제4프레임콤(10) 출력신호에 제2플레임콤(20) 출력신호를 감산하여 차분을 검출하는 차분검출부와, 상기 차분검출부(30)출력의 휘도성분을 제거하는 로우패스필터와, 상기 로우패스필터(40) 출력의 절대치를 구하여 휘도신호의 동작량을 검출하는 절대치처리부로 구성됨을 특징으로 하는 회로.A luminance signal operation amount detection circuit of an operation-adaptive digital television, comprising: a third frame comb that separates a color component and a luminance component by filtering a current composite video signal V and a composite video signal VH delayed by one frame; A fourth frame comb that separates the color component and the luminance component by filtering the 1H delayed composite video signal VH and the 1H delayed composite video signal VFH, and the second frame to the fourth frame comb 10 output signal. A differential detector for detecting the difference by subtracting the comb 20 output signal, a low pass filter for removing the luminance component of the output of the differential detector 30, and an absolute value of the output of the low pass filter 40 to obtain the luminance signal. And an absolute value processing unit for detecting an operation amount. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890011642A 1989-08-16 1989-08-16 Detecting circuit of y/c circuit KR920003396B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890011642A KR920003396B1 (en) 1989-08-16 1989-08-16 Detecting circuit of y/c circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890011642A KR920003396B1 (en) 1989-08-16 1989-08-16 Detecting circuit of y/c circuit

Publications (2)

Publication Number Publication Date
KR910005698A true KR910005698A (en) 1991-03-30
KR920003396B1 KR920003396B1 (en) 1992-04-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890011642A KR920003396B1 (en) 1989-08-16 1989-08-16 Detecting circuit of y/c circuit

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KR (1) KR920003396B1 (en)

Also Published As

Publication number Publication date
KR920003396B1 (en) 1992-04-30

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