TWI257588B - Pixel interpolation circuit, pixel interpolation method and image reading device - Google Patents

Pixel interpolation circuit, pixel interpolation method and image reading device Download PDF

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Publication number
TWI257588B
TWI257588B TW093120190A TW93120190A TWI257588B TW I257588 B TWI257588 B TW I257588B TW 093120190 A TW093120190 A TW 093120190A TW 93120190 A TW93120190 A TW 93120190A TW I257588 B TWI257588 B TW I257588B
Authority
TW
Taiwan
Prior art keywords
interpolation
data
test
circuit
pixel
Prior art date
Application number
TW093120190A
Other languages
English (en)
Chinese (zh)
Other versions
TW200513983A (en
Inventor
Satoshi Yamanaka
Yoshiaki Okuno
Jun Someya
Original Assignee
Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of TW200513983A publication Critical patent/TW200513983A/zh
Application granted granted Critical
Publication of TWI257588B publication Critical patent/TWI257588B/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/10—Selection of transformation methods according to the characteristics of the input images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Editing Of Facsimile Originals (AREA)
TW093120190A 2003-10-07 2004-07-06 Pixel interpolation circuit, pixel interpolation method and image reading device TWI257588B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003347944A JP3767593B2 (ja) 2003-10-07 2003-10-07 画素補間回路及び画素補間方法

Publications (2)

Publication Number Publication Date
TW200513983A TW200513983A (en) 2005-04-16
TWI257588B true TWI257588B (en) 2006-07-01

Family

ID=34430942

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093120190A TWI257588B (en) 2003-10-07 2004-07-06 Pixel interpolation circuit, pixel interpolation method and image reading device

Country Status (6)

Country Link
US (1) US20060050990A1 (cg-RX-API-DMAC7.html)
EP (1) EP1672907A4 (cg-RX-API-DMAC7.html)
JP (1) JP3767593B2 (cg-RX-API-DMAC7.html)
CN (1) CN100334873C (cg-RX-API-DMAC7.html)
TW (1) TWI257588B (cg-RX-API-DMAC7.html)
WO (1) WO2005036868A1 (cg-RX-API-DMAC7.html)

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JP4775221B2 (ja) * 2006-10-02 2011-09-21 コニカミノルタホールディングス株式会社 画像処理装置、画像処理装置の制御方法、および画像処理装置の制御プログラム
JP4900025B2 (ja) * 2007-05-08 2012-03-21 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
JP4772754B2 (ja) 2007-06-25 2011-09-14 三菱電機株式会社 画像補間装置及び方法、並びに画像読取装置
US8559762B2 (en) 2007-12-28 2013-10-15 Nikon Corporation Image processing method and apparatus for interpolating defective pixels
JP2010061565A (ja) 2008-09-05 2010-03-18 Konica Minolta Business Technologies Inc 画素補間装置、画素補間方法および画像読取装置
EP2242019B1 (en) * 2009-04-15 2016-01-13 Mitsubishi Electric R&D Centre Europe B.V. Image region interpolation
JP4958056B2 (ja) * 2009-05-12 2012-06-20 東芝ディーエムエス株式会社 画像補間装置および画像補間プログラム
WO2012021502A2 (en) * 2010-08-09 2012-02-16 Board Of Regents, The University Of Texas System Using higher order statistics to estimate pixel values in digital image processing to improve accuracy and computation efficiency
JP5741007B2 (ja) * 2011-01-21 2015-07-01 株式会社リコー 画像処理装置、画素補間方法およびプログラム
CN106464970B (zh) * 2014-05-09 2019-11-19 麦克赛尔株式会社 影像再现装置、显示装置和发送装置
DE112018007771T5 (de) 2018-06-27 2021-04-22 Mitsubishi Electric Corporation Pixelinterpolationsvorrichtung und pixelinterpolationsverfahren und bildverarbeitungsvorrichtung und programm und aufzeichnungsmedium
KR102132690B1 (ko) * 2019-01-30 2020-07-13 인천대학교 산학협력단 초고해상도 영상 복원 시스템

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US5430811A (en) * 1991-12-25 1995-07-04 Matsushita Electric Industrial Co., Ltd. Method for interpolating missing pixels and an apparatus employing the method
US5418714A (en) * 1993-04-08 1995-05-23 Eyesys Laboratories, Inc. Method and apparatus for variable block size interpolative coding of images
JP3125124B2 (ja) * 1994-06-06 2001-01-15 松下電器産業株式会社 欠陥画素傷補正回路
JPH08321944A (ja) * 1995-05-25 1996-12-03 Kokusai Electric Co Ltd 画像データ補間方法
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KR970049856A (ko) * 1995-12-30 1997-07-29 김광호 복수개의 라이센서를 갖는 화상독취 장치에서 센서간 거리 보정 방법 및 회로
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JP2002165092A (ja) * 2000-11-24 2002-06-07 Canon Inc 画像処理装置及び画像処理方法
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Also Published As

Publication number Publication date
JP2005117291A (ja) 2005-04-28
JP3767593B2 (ja) 2006-04-19
WO2005036868A1 (ja) 2005-04-21
TW200513983A (en) 2005-04-16
EP1672907A4 (en) 2007-04-25
CN100334873C (zh) 2007-08-29
CN1723690A (zh) 2006-01-18
EP1672907A1 (en) 2006-06-21
US20060050990A1 (en) 2006-03-09

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