KR950020288A - Histogram Generator of Video Signal - Google Patents

Histogram Generator of Video Signal Download PDF

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Publication number
KR950020288A
KR950020288A KR1019930032145A KR930032145A KR950020288A KR 950020288 A KR950020288 A KR 950020288A KR 1019930032145 A KR1019930032145 A KR 1019930032145A KR 930032145 A KR930032145 A KR 930032145A KR 950020288 A KR950020288 A KR 950020288A
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KR
South Korea
Prior art keywords
data
histogram
video signal
generating
processing unit
Prior art date
Application number
KR1019930032145A
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Korean (ko)
Other versions
KR0126893B1 (en
Inventor
이강륜
Original Assignee
석진철
대우중공업 주식회사
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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Application filed by 석진철, 대우중공업 주식회사 filed Critical 석진철
Priority to KR1019930032145A priority Critical patent/KR0126893B1/en
Publication of KR950020288A publication Critical patent/KR950020288A/en
Application granted granted Critical
Publication of KR0126893B1 publication Critical patent/KR0126893B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Studio Circuits (AREA)

Abstract

본 발명은 영상신호에 대한 히스토그램을 실시간 처리하여 생성할 수 있는 영상신호의 히스토그램 발생장치에 관한 것으로, 디지탈의 영상 데이터를 이븐데이터와 오드데이터 분리하는 데이터분리부(1)와 데이터분리부(1)의 이븐데이터에 대한 히스토그램 데이터를 생성하는 제1처리부(2), 상기 데이터분리부(1)의 오드데이터에 대한 히스토그램 데이터를 생성하는 제2처리부(3), 상기 제1 및 제2처리부(2,3)의 동작을 제어함과 더불어 생성된 히스토그램 데이터를 버퍼(BF1, BF2)를 통해 읽어들여 최종적인 히스토그램을 생성하는 마이크로프로세서(4)를 포함하여 구성된 것을 특징으로 한다.The present invention relates to a histogram generating apparatus of a video signal that can be generated by processing a histogram for a video signal in real time. The first processing unit (2) for generating histogram data for even data of the (2), the second processing unit (3) for generating histogram data for the odd data of the data separator 1, the first and second processing unit ( In addition to controlling the operation of 2,3, it is characterized in that it comprises a microprocessor (4) for reading the generated histogram data through the buffer (BF1, BF2) to generate a final histogram.

Description

영상신호의 히스토그램 발생장치Histogram Generator of Video Signal

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

제1도는 본 발명의 실시예에 따른 영상신호의 히스토그램 발생장치의 구성을 나타낸 도면이다.1 is a diagram showing the configuration of a histogram generator of a video signal according to an embodiment of the present invention.

Claims (1)

디지탈의 영상 데이터를 이븐데이터와 오드데이터 분리하는 데이터분리부(1)와, 이 데이터분리부(1)의 이븐데이터에 대한 히스토그램 데이터를 생성하는 제1처리부(2), 상기 데이터분리부(1)의 오드데이터에 대한 히스토그램 데이터를 생성하는 제2처리부(3), 상기 제1 및 제2처리부(2,3)의 동작을 제어함과 더불어 생성된 히스토그램 데이터를 버퍼(BF1, BF2)를 통해 읽어들여 최종적인 히스토그램을 생성하는 마이크로프로세서(4)를 포함하여 구성된 것을 특징으로 하는 영상신호의 히스토그램 발생장치.A data separator 1 for separating the digital image data from the even data and the odd data, a first processor 2 for generating histogram data for the even data of the data separator 1, and the data separator 1 Control the operations of the second processing unit 3 and the first and second processing units 2 and 3, which generate histogram data for the odd data of the data, and the generated histogram data through the buffers BF1 and BF2 And a microprocessor (4) for reading and generating a final histogram. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930032145A 1993-12-31 1993-12-31 Mistogram processing unit KR0126893B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930032145A KR0126893B1 (en) 1993-12-31 1993-12-31 Mistogram processing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930032145A KR0126893B1 (en) 1993-12-31 1993-12-31 Mistogram processing unit

Publications (2)

Publication Number Publication Date
KR950020288A true KR950020288A (en) 1995-07-24
KR0126893B1 KR0126893B1 (en) 1998-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930032145A KR0126893B1 (en) 1993-12-31 1993-12-31 Mistogram processing unit

Country Status (1)

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KR (1) KR0126893B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101394474B1 (en) * 2009-04-27 2014-05-29 서울대학교산학협력단 Apparatus for estimation shadow

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Publication number Publication date
KR0126893B1 (en) 1998-04-02

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