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KR950002412A - 고체촬상장치 - Google Patents

고체촬상장치 Download PDF

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Publication number
KR950002412A
KR950002412A KR1019940013058A KR19940013058A KR950002412A KR 950002412 A KR950002412 A KR 950002412A KR 1019940013058 A KR1019940013058 A KR 1019940013058A KR 19940013058 A KR19940013058 A KR 19940013058A KR 950002412 A KR950002412 A KR 950002412A
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KR
South Korea
Prior art keywords
color
signal processing
generating means
signal
predetermined
Prior art date
Application number
KR1019940013058A
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English (en)
Other versions
KR0146260B1 (ko
Inventor
유키히로 타니조에
마사유키 요네야마
야스토시 야마모토
쇼고 사사키
Original Assignee
모리시타 요이찌
마쯔시다덴기산교 가부시기가이샤
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
Priority claimed from JP05144605A external-priority patent/JP3079839B2/ja
Priority claimed from JP5249018A external-priority patent/JPH07107496A/ja
Application filed by 모리시타 요이찌, 마쯔시다덴기산교 가부시기가이샤 filed Critical 모리시타 요이찌
Publication of KR950002412A publication Critical patent/KR950002412A/ko
Application granted granted Critical
Publication of KR0146260B1 publication Critical patent/KR0146260B1/ko

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/843—Demosaicing, e.g. interpolating colour pixel values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/133—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements including elements passing panchromatic light, e.g. filters passing white light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
    • H04N2209/045—Picture signal generators using solid-state devices having a single pick-up sensor using mosaic colour filter
    • H04N2209/046—Colour interpolation to calculate the missing colour values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/048—Picture signal generators using solid-state devices having several pick-up sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/048—Picture signal generators using solid-state devices having several pick-up sensors
    • H04N2209/049—Picture signal generators using solid-state devices having several pick-up sensors having three pick-up sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

본 발명의 고체촬상장치는, 2차원주파수의 수평, 수직방향으로 캐리어를 가지고 있지 않은 색필터 배열을 구비한 전체화소판독 촬상소자의 출력에 대해서, 2차원주파수 특성처리를 실시하므로써, 2차원주파수의 수평, 수직방향으로 모아레가 적은 색신호를 얻고, 모아레가 적은 색신호의 비를 사용한 보간연산에 의해, 2차원주파수의 수평, 수직방향으로 모아레가 적은 휘도신호를 얻은것을 특징으로 한 것이다.

Description

고체촬상장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명에 의한 고체촬상장치의 일예를 표시한 블록도, 제 2 도는 색분리피터배열을 표시한 모식도, 제 3 도는 제 2 도의 색분리필터 배열에 있어서의 W, G,Ye, Cy 신호의 2차원샘플링 제어회로, 제 4도는 2차원 LPF 처리부의 블록도, 제 5도는 제 4 도의 2차원 LPF의 랩계수를 표시한 모식도.

Claims (4)

  1. 세로 M화소 X가로 N화소위 소정의 배열의 반복을 가진 색분리필터를 통과한 입사광이, 전체화소판독광전변환수단을 개재해서 광, 전기변환이 실시된 후, 2차원신호처리수단에 입력되고, 상기 2차원신호처리수단에 있어서 2차원주파수 특성처리가 실시된 후, 색분리수단에 입력되고, 상기 색분리수단에 있어서 색분리처리를 실시하므로써 색모아레를 억압하는 것을 특징으로 하는 고체촬상장치.
  2. 세로 Mx가로 N의 반복을 가진 소정의 색분리필터 배열을 통과한 입사광이, 전계화소판독광전변환수단을 개재해서 광, 전기변환이 실시된후, 색신호생성수단 및 휘도신호생성수단에 입력되고, 상기 색신호생성수단에 있어서, K×L 영역의 화소로부터의 신호에 대해서 2차원연산을 실시하므로써 색분리된 색신호가 상기 휘도신호생성수단에 입력되고, 상기 휘도생성수단에 있어서 주목화소에 대해서 상기 색신호의 비에 따라서 소정의 화소보간연산을 행하는 것을 특징으로 하는 고체촬상장치.
  3. 제 2 항에 있어서 2차원신호처리수단의 출력에 소정의 연산을 실시하므로써, 수평 또는 수직방향의 색의 변화점을 감시하는 신호처리수단(A)과, 휘도신호생성수단의 출력에 대하여 주파수특성처리를 실시하는 신호처리수단(B)를 가지고, 신호처리수단(B)는 랩계수가 가변인 필터로 구성되고, 상기 필터의 랩계수는, 신호처리수단(A)의 출력에 의해 결정되는 것을 특징으로 하는 고체촬상장치.
  4. 제 2 항에 있어서, 휘도신호생성수단에 있어서, 각 색필터의 출력에 대하여 소정의 값을 가산하는 것을 특징으로 하는 고체촬상장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940013058A 1993-06-16 1994-06-10 고체촬상장치 KR0146260B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP05144605A JP3079839B2 (ja) 1993-06-16 1993-06-16 固体撮像装置
JP93-144605 1993-06-16
JP5249018A JPH07107496A (ja) 1993-10-05 1993-10-05 固体撮像装置
JP93-249018 1993-10-05

Publications (2)

Publication Number Publication Date
KR950002412A true KR950002412A (ko) 1995-01-04
KR0146260B1 KR0146260B1 (ko) 1998-09-15

Family

ID=26475966

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940013058A KR0146260B1 (ko) 1993-06-16 1994-06-10 고체촬상장치

Country Status (4)

Country Link
US (1) US5614947A (ko)
EP (1) EP0630159B1 (ko)
KR (1) KR0146260B1 (ko)
DE (1) DE69420469T2 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3392564B2 (ja) * 1995-02-27 2003-03-31 三洋電機株式会社 単板式カラービデオカメラ
JP3703175B2 (ja) * 1995-07-31 2005-10-05 キヤノン株式会社 撮像装置
EP0762747B1 (en) * 1995-09-08 2005-03-16 Canon Kabushiki Kaisha Image sensing apparatus using a non-interlace or progressive scanning type image sensing device
JP3836198B2 (ja) * 1996-10-31 2006-10-18 株式会社フィリップスエレクトロニクスジャパン Ｙ／ｃ分離装置
JP3649841B2 (ja) * 1997-02-20 2005-05-18 三洋電機株式会社 単板式カラーカメラ
JPH10341447A (ja) * 1997-04-11 1998-12-22 Fuji Photo Film Co Ltd 画像信号処理装置
JPH10336685A (ja) * 1997-05-30 1998-12-18 Matsushita Electric Ind Co Ltd カラー撮像装置
JP4404231B2 (ja) * 1997-07-15 2010-01-27 エヌエックスピー ビー ヴィ 色信号を生成し輪郭信号を決定する方法および装置およびこれを用いたカメラ
JP3925588B2 (ja) 1997-11-25 2007-06-06 セイコーエプソン株式会社 画像処理装置、画像処理方法および画像処理制御プログラムを記録した媒体
JP4377976B2 (ja) * 1997-12-26 2009-12-02 キヤノン株式会社 カラー撮像装置、画像信号読み出し方法、画像処理装置、画像処理システム、及び記憶媒体
JP4408962B2 (ja) * 1998-01-29 2010-02-03 エヌエックスピー ビー ヴィ 色信号補間方法、装置及びカメラ
JP2002525722A (ja) 1998-09-15 2002-08-13 フェーズ・ワン・アクティーゼルスカブ 画像処理方法とシステム
US6404918B1 (en) * 1999-04-30 2002-06-11 Hewlett-Packard Company Image demosaicing method utilizing directional smoothing
JP2001051672A (ja) 1999-08-05 2001-02-23 Neucore Technol Inc 画像処理装置
JP3458080B2 (ja) * 1999-10-19 2003-10-20 松下電器産業株式会社 カラー撮像装置
DE60011294T2 (de) * 1999-12-06 2005-06-23 Phase One A/S Vorrichtung und verfahren zur verminderung von moire
US7023576B1 (en) * 2000-05-09 2006-04-04 Phase One A/S Method and an apparatus for elimination of color Moiré
EP1377072A4 (en) 2001-03-05 2006-09-13 Nikon Corp PROGRAM AND DEVICE FOR PROCESSING IMAGES
US7053908B2 (en) 2001-04-12 2006-05-30 Polaroid Corporation Method and apparatus for sensing and interpolating color image data
AU2003236988A1 (en) * 2002-07-04 2004-01-23 Koninklijke Philips Electronics N.V. Method and apparatus for signal processing, computer program product, computing system and camera
JP2005109968A (ja) * 2003-09-30 2005-04-21 Matsushita Electric Ind Co Ltd カラー固体撮像装置
KR101081000B1 (ko) * 2003-10-23 2011-11-09 소니 가부시키가이샤 화상 처리 장치 및 화상 처리 방법과 기록 매체
KR20070115243A (ko) * 2006-06-01 2007-12-05 삼성전자주식회사 이미지 촬상 장치, 및 그 동작 방법
KR101441583B1 (ko) 2008-01-21 2014-09-19 삼성전자 주식회사 디지털 이미징 기기의 모아레 제거장치 및 방법
KR101441432B1 (ko) * 2008-02-11 2014-09-17 삼성전자주식회사 이미지 센서

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JPS59181884A (ja) * 1983-03-31 1984-10-16 Matsushita Electric Ind Co Ltd カラ−カメラ装置
US4774565A (en) * 1987-08-24 1988-09-27 Polaroid Corporation Method and apparatus for reconstructing missing color samples
US5191409A (en) * 1988-03-29 1993-03-02 Mitsubishi Denki Kabushiki Kaisha Color scanning system
EP0368614B1 (en) * 1988-11-09 1993-09-15 Canon Kabushiki Kaisha Color signal processing apparatus
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JP2942903B2 (ja) * 1990-11-05 1999-08-30 キヤノン株式会社 ディジタル・カメラ信号処理装置
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JP3473026B2 (ja) * 1992-04-21 2003-12-02 三菱電機株式会社 カラービデオカメラ

Also Published As

Publication number Publication date
DE69420469D1 (de) 1999-10-14
EP0630159A1 (en) 1994-12-21
EP0630159B1 (en) 1999-09-08
KR0146260B1 (ko) 1998-09-15
US5614947A (en) 1997-03-25
DE69420469T2 (de) 2000-05-04

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