TW200528770A - Method and apparatus for determining edge inclination of an interested pixel in a color filter image array interpolation (CFAI) - Google Patents

Method and apparatus for determining edge inclination of an interested pixel in a color filter image array interpolation (CFAI) Download PDF

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Publication number
TW200528770A
TW200528770A TW093104479A TW93104479A TW200528770A TW 200528770 A TW200528770 A TW 200528770A TW 093104479 A TW093104479 A TW 093104479A TW 93104479 A TW93104479 A TW 93104479A TW 200528770 A TW200528770 A TW 200528770A
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TW
Taiwan
Prior art keywords
pixel
trend
interest
edge
surrounding pixels
Prior art date
Application number
TW093104479A
Other languages
English (en)
Chinese (zh)
Other versions
TWI293692B (https=
Inventor
Yin-Bin Jang
Original Assignee
Altek Corp
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
Application filed by Altek Corp filed Critical Altek Corp
Priority to TW093104479A priority Critical patent/TW200528770A/zh
Priority to US11/060,536 priority patent/US20050190993A1/en
Publication of TW200528770A publication Critical patent/TW200528770A/zh
Application granted granted Critical
Publication of TWI293692B publication Critical patent/TWI293692B/zh

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Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
TW093104479A 2004-02-23 2004-02-23 Method and apparatus for determining edge inclination of an interested pixel in a color filter image array interpolation (CFAI) TW200528770A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW093104479A TW200528770A (en) 2004-02-23 2004-02-23 Method and apparatus for determining edge inclination of an interested pixel in a color filter image array interpolation (CFAI)
US11/060,536 US20050190993A1 (en) 2004-02-23 2005-02-18 Method and apparatus for determining an edge trend for an interested pixel of an image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW093104479A TW200528770A (en) 2004-02-23 2004-02-23 Method and apparatus for determining edge inclination of an interested pixel in a color filter image array interpolation (CFAI)

Publications (2)

Publication Number Publication Date
TW200528770A true TW200528770A (en) 2005-09-01
TWI293692B TWI293692B (https=) 2008-02-21

Family

ID=34882459

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093104479A TW200528770A (en) 2004-02-23 2004-02-23 Method and apparatus for determining edge inclination of an interested pixel in a color filter image array interpolation (CFAI)

Country Status (2)

Country Link
US (1) US20050190993A1 (https=)
TW (1) TW200528770A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100818447B1 (ko) * 2006-09-22 2008-04-01 삼성전기주식회사 컬러 필터를 사용하여 검출된 영상의 컬러 보간 방법
CN101452573B (zh) * 2007-12-04 2013-01-30 比亚迪股份有限公司 一种图像边缘增强方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115477A (en) * 1988-03-31 1992-05-19 Honeywell Inc. Image recognition edge detection method and system
US5081689A (en) * 1989-03-27 1992-01-14 Hughes Aircraft Company Apparatus and method for extracting edges and lines
US5420971A (en) * 1994-01-07 1995-05-30 Panasonic Technologies, Inc. Image edge finder which operates over multiple picture element ranges
US5987172A (en) * 1995-12-06 1999-11-16 Cognex Corp. Edge peak contour tracker
JPH11122626A (ja) * 1997-10-17 1999-04-30 Nikon Corp 画像処理方法及び装置並びに画像処理プログラムを記録した記録媒体
US6415053B1 (en) * 1998-04-20 2002-07-02 Fuji Photo Film Co., Ltd. Image processing method and apparatus
JP4097815B2 (ja) * 1998-11-24 2008-06-11 株式会社リコー 画像処理装置および画像処理方法
KR100555466B1 (ko) * 1999-03-10 2006-03-03 삼성전자주식회사 그래픽과 자연영상이 혼재된 영상에서의 에지검출방법 및 에지검출장치
JP2000293696A (ja) * 1999-04-07 2000-10-20 Matsushita Electric Ind Co Ltd 画像認識装置
US6337925B1 (en) * 2000-05-08 2002-01-08 Adobe Systems Incorporated Method for determining a border in a complex scene with applications to image masking
US6701009B1 (en) * 2000-06-06 2004-03-02 Sharp Laboratories Of America, Inc. Method of separated color foreground and background pixel improvement

Also Published As

Publication number Publication date
US20050190993A1 (en) 2005-09-01
TWI293692B (https=) 2008-02-21

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