KR910005102A - 화상처리장치의 영역식별방식 - Google Patents

화상처리장치의 영역식별방식 Download PDF

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Publication number
KR910005102A
KR910005102A KR1019900012350A KR900012350A KR910005102A KR 910005102 A KR910005102 A KR 910005102A KR 1019900012350 A KR1019900012350 A KR 1019900012350A KR 900012350 A KR900012350 A KR 900012350A KR 910005102 A KR910005102 A KR 910005102A
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area
image processing
threshold value
processing apparatus
edge amount
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KR1019900012350A
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KR950009697B1 (ko
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유즈루 스즈끼
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고바야시 요오다로
후지 제록스 가부시끼가이샤
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Publication of KR910005102A publication Critical patent/KR910005102A/ko
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/58Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/409Edge or detail enhancement; Noise or error suppression
    • H04N1/4092Edge or detail enhancement

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color Electrophotography (AREA)

Abstract

내용 없음.

Description

화상처리장치의 영역식별방식
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 화상처리장치의 영역식별방식의 일실시예를 설명하기 위한 도면.
제2도는 IPS의 모듈 구성 개요를 나타낸 도면.
제3도는 IPS를 구성하는 각 모듈을 설명하기 위한 도면.

Claims (7)

  1. 높은 주파수성분의 에지량을 검출하는 하이패스의 에지검출필터, 색상을 검출하는 색상검출수단 및 색상 검출수단의 출력과 에지검출 필터출력에 준하여 에지부의 강조 신호를 생성하는 강조신호 생성수단을 구비하고 상기 강조신호 생성수단을 구비하고 상기 강조신호 생성수단의 파라메터를 절환하여 화상정류에 따른 재현성을 제어하도록 구성한 화상처리장치에 있어서, 각 화소의 에지정보로부터 블록단위로 화상영역의 식별을 행하는 대역식별 처리수단을 구비하고 영역에 따라서 강조신호 생성수단의 파라메터의 절환을 행하도록 한 것을 특징으로 하는 화상처리장치의 영역식별방식.
  2. 제1항에 있어서, 상기 대역식별 처리수단은 소정의 농도 스레숄드치를 초과하는 농도의 화소에 대해서 에지량의 평균치를 구하고 이 평균치가 소정의 에지량 스레숄드치를 초과하는지의 여부에 따라서 문자영역인지 중간조영역인지를 식별하는 것이 특징으로 하는 화상처리장치의 영역식별방식.
  3. 제1 또는 2항에 있어서, 상기 대역식별 처리수단은 모든 화소에 대해서 소정의 농도 스레숄드치를 초과하는지 또는 농도 스레숄드치 이하인 것을 특징으로 하는 화상처리장치의 영역식별방식.
  4. 제1항에 있어서, 상기 대역식별 처리수단은 소정의 농도 스레숄드치를 초과하는 농도의 화소수와 소정의 에지량 스레숄드치를 초과하는 에지량의 화소수와의 비율을 구하고 당해 비율에 의해서 문자영역인지 중간조영역인지를 식별하는 것을 특징으로 하는 화상처리장치의 영역식별방식.
  5. 제1항에 있어서, 상기 대역식별 처리수단은 소정의 에지량 스레숄드치를 초과하는 에지량의 화소의 거리에 의해서 문자영역인지 중간조영역인지를 식별하는 것을 특징으로 하는 화상처리장치의 영역식별방식.
  6. 제1항 또는 제5항에 있어서, 상기 소정의 에지량 스레숄드치를 초과하는 에지량의 화소의 거리 및 평균 농도치에 의해서 문자영역인지 중간조영역인지를 식별하는 것을 특징으로 하는 화상처리장치의 영역식별방식.
  7. 제1항 또는 제5항에 있어서, 상기 소정의 에지량 스레숄드치를 초과하는 에지량의 화소의 거리 및 최저 농도치에 의해서 문자영역인지 중간조영역인지를 식별하는 것을 특징으로 하는 화상처리장치의 영역식별방식.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900012350A 1989-08-11 1990-08-11 화상처리장치의 영역식별방식 KR950009697B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1209279A JPH0372778A (ja) 1989-08-11 1989-08-11 画像処理装置の領域識別方式
JP1-209279 1989-08-11

Publications (2)

Publication Number Publication Date
KR910005102A true KR910005102A (ko) 1991-03-30
KR950009697B1 KR950009697B1 (ko) 1995-08-26

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KR1019900012350A KR950009697B1 (ko) 1989-08-11 1990-08-11 화상처리장치의 영역식별방식

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Country Link
US (1) US5134667A (ko)
JP (1) JPH0372778A (ko)
KR (1) KR950009697B1 (ko)

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US5134667A (en) 1992-07-28
JPH0372778A (ja) 1991-03-27
KR950009697B1 (ko) 1995-08-26

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