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WO2009001575A1 - 画像補間装置及び方法、並びに画像読取装置 - Google Patents

画像補間装置及び方法、並びに画像読取装置 Download PDF

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Publication number
WO2009001575A1
WO2009001575A1 PCT/JP2008/052143 JP2008052143W WO2009001575A1 WO 2009001575 A1 WO2009001575 A1 WO 2009001575A1 JP 2008052143 W JP2008052143 W JP 2008052143W WO 2009001575 A1 WO2009001575 A1 WO 2009001575A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
section
interpolation
image
interpolating
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/052143
Other languages
English (en)
French (fr)
Inventor
Satoshi Yamanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to EP08711022.7A priority Critical patent/EP2161914B1/en
Priority to CN2008800220521A priority patent/CN101690153B/zh
Priority to US12/666,750 priority patent/US8320715B2/en
Publication of WO2009001575A1 publication Critical patent/WO2009001575A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader

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)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

　欠落画素近傍のデータを格納するデータ格納部（２）、データ格納部が出力するデータに対して積和演算を行うフィルタ補間部（３）、フィルタ補間部が出力するデータをデータ格納部の範囲に制限するリミット処理部（４）、リミット処理部が出力するデータをデータ格納部が出力するデータの欠落画素に対応する位置に補間する補間データ挿入部（５）を備える。欠落画素の補間精度、特に、周期的なデータを含む原稿を読み取ったデータを補間する場合の補間精度を向上させることができる。
PCT/JP2008/052143 2007-06-25 2008-02-08 画像補間装置及び方法、並びに画像読取装置 Ceased WO2009001575A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08711022.7A EP2161914B1 (en) 2007-06-25 2008-02-08 Device and method for interpolating image, and image scanner
CN2008800220521A CN101690153B (zh) 2007-06-25 2008-02-08 图像插值装置和方法、以及图像读取装置
US12/666,750 US8320715B2 (en) 2007-06-25 2008-02-08 Device and method for interpolating image, and image scanner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007165860A JP4772754B2 (ja) 2007-06-25 2007-06-25 画像補間装置及び方法、並びに画像読取装置
JP2007-165860 2007-06-25

Publications (1)

Publication Number Publication Date
WO2009001575A1 true WO2009001575A1 (ja) 2008-12-31

Family

ID=40185399

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052143 Ceased WO2009001575A1 (ja) 2007-06-25 2008-02-08 画像補間装置及び方法、並びに画像読取装置

Country Status (6)

Country Link
US (1) US8320715B2 (ja)
EP (1) EP2161914B1 (ja)
JP (1) JP4772754B2 (ja)
CN (1) CN101690153B (ja)
TW (1) TWI373007B (ja)
WO (1) WO2009001575A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010113526A1 (ja) * 2009-04-03 2010-10-07 三菱電機株式会社 積和演算装置
WO2020003422A1 (ja) * 2018-06-27 2020-01-02 三菱電機株式会社 画素補間装置及び画素補間方法、並びに画像処理装置、並びにプログラム及び記録媒体

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7970235B1 (en) * 2007-04-30 2011-06-28 Hewlett-Packard Development Company, L.P. Automatic replacement of undesirable pixels in an image
JP2010041576A (ja) * 2008-08-07 2010-02-18 Fuji Xerox Co Ltd 検出装置、画像読取制御装置、検出装置の誤差補正プログラム
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
JP2012023564A (ja) * 2010-07-14 2012-02-02 Fuji Xerox Co Ltd 画像処理装置
US8520971B2 (en) * 2010-09-30 2013-08-27 Apple Inc. Digital image resampling
CN102063260B (zh) * 2011-01-06 2014-08-13 中兴通讯股份有限公司 一种屏幕显示方法及装置
JP5741011B2 (ja) * 2011-01-26 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
WO2019225410A1 (ja) * 2018-05-23 2019-11-28 三菱電機株式会社 光電変換素子及び受光ユニット
CN117095134B (zh) * 2023-10-18 2023-12-22 中科星图深海科技有限公司 一种三维海洋环境数据插值处理方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPS62296667A (ja) 1986-06-17 1987-12-23 Ricoh Co Ltd 連続階調画の表示システム
JP2003101724A (ja) 2001-09-25 2003-04-04 Konica Corp 画像読取装置及び画像形成装置
JP2005117291A (ja) 2003-10-07 2005-04-28 Mitsubishi Electric Corp 画素補間回路及び画素補間方法
JP2005141611A (ja) 2003-11-10 2005-06-02 Mitsubishi Electric Corp 平均維持補間演算回路、画素補間回路、平均維持補間演算方法、及び画素補間方法
JP2005236770A (ja) * 2004-02-20 2005-09-02 Mitsubishi Electric Corp 画素補間回路、画像読取装置、および画素補間方法

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Publication number Priority date Publication date Assignee Title
JPH11205687A (ja) 1998-01-12 1999-07-30 Sharp Corp 欠陥画素補正装置
JP2000196835A (ja) 1998-12-25 2000-07-14 Mitsubishi Electric Corp マルチチップイメ―ジセンサ
JP2001014454A (ja) * 1999-06-29 2001-01-19 Sharp Corp 画像処理装置
EP1634239A1 (en) * 2003-06-04 2006-03-15 Koninklijke Philips Electronics N.V. Interpolation of images
KR100519776B1 (ko) * 2003-11-24 2005-10-07 삼성전자주식회사 영상 신호의 해상도 변환 방법 및 장치
JP2005217837A (ja) * 2004-01-30 2005-08-11 Sony Corp サンプリングレート変換装置およびその方法、並びに、オーディオ装置
JP4774736B2 (ja) * 2004-12-27 2011-09-14 カシオ計算機株式会社 画像拡大装置および撮像装置
US7826686B2 (en) * 2005-03-18 2010-11-02 Seiko Epson Corporation Pixel interpolation apparatus and pixel interpolation program product
US7692670B2 (en) * 2005-05-31 2010-04-06 Lexmark International, Inc. Methods and systems for scaling and rotating an image in a single operation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62296667A (ja) 1986-06-17 1987-12-23 Ricoh Co Ltd 連続階調画の表示システム
JP2003101724A (ja) 2001-09-25 2003-04-04 Konica Corp 画像読取装置及び画像形成装置
JP2005117291A (ja) 2003-10-07 2005-04-28 Mitsubishi Electric Corp 画素補間回路及び画素補間方法
JP2005141611A (ja) 2003-11-10 2005-06-02 Mitsubishi Electric Corp 平均維持補間演算回路、画素補間回路、平均維持補間演算方法、及び画素補間方法
JP2005236770A (ja) * 2004-02-20 2005-09-02 Mitsubishi Electric Corp 画素補間回路、画像読取装置、および画素補間方法
EP1720337A1 (en) 2004-02-20 2006-11-08 Mitsubishi Denki Kabushiki Kaisha Image read device and signal processing method

Non-Patent Citations (1)

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Title
See also references of EP2161914A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010113526A1 (ja) * 2009-04-03 2010-10-07 三菱電機株式会社 積和演算装置
WO2020003422A1 (ja) * 2018-06-27 2020-01-02 三菱電機株式会社 画素補間装置及び画素補間方法、並びに画像処理装置、並びにプログラム及び記録媒体

Also Published As

Publication number Publication date
US8320715B2 (en) 2012-11-27
EP2161914A1 (en) 2010-03-10
EP2161914B1 (en) 2016-11-16
JP2009005208A (ja) 2009-01-08
US20100183237A1 (en) 2010-07-22
TWI373007B (en) 2012-09-21
TW200901086A (en) 2009-01-01
JP4772754B2 (ja) 2011-09-14
CN101690153B (zh) 2011-12-07
CN101690153A (zh) 2010-03-31
EP2161914A4 (en) 2011-05-11

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