WO2008111600A1 - 画像処理装置および画像処理プログラム - Google Patents

画像処理装置および画像処理プログラム Download PDF

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Publication number
WO2008111600A1
WO2008111600A1 PCT/JP2008/054447 JP2008054447W WO2008111600A1 WO 2008111600 A1 WO2008111600 A1 WO 2008111600A1 JP 2008054447 W JP2008054447 W JP 2008054447W WO 2008111600 A1 WO2008111600 A1 WO 2008111600A1
Authority
WO
WIPO (PCT)
Prior art keywords
image processing
unit
false contour
tone curve
processing device
Prior art date
Application number
PCT/JP2008/054447
Other languages
English (en)
French (fr)
Inventor
Taketo Tsukioka
Original Assignee
Olympus Corporation
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 Olympus Corporation filed Critical Olympus Corporation
Publication of WO2008111600A1 publication Critical patent/WO2008111600A1/ja
Priority to US12/558,067 priority Critical patent/US8280162B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/142—Edging; Contouring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Image Communication Systems (AREA)

Abstract

　カラー画像に対して画素位置に応じて異なる階調補正を施すヒストグラム算出部（１１３）、トーンカーブ決定部（１１４）、およびトーンカーブ適用部（１１５）と、カラー画像に対して色信号間における信号の飽和状態の差に基づき偽輪郭の発生程度を算出する偽輪郭検出部（１１２）と、を備え、トーンカーブ決定部（１１４）は、偽輪郭検出部（１１２）の算出結果に応じて階調補正の特性が偽輪郭が目立たない特性となるように制御する画像処理装置。
PCT/JP2008/054447 2007-03-13 2008-03-12 画像処理装置および画像処理プログラム WO2008111600A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/558,067 US8280162B2 (en) 2007-03-13 2009-09-11 Image processing apparatus and recording medium recording image processing program

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007063816A JP4810473B2 (ja) 2007-03-13 2007-03-13 画像処理装置および画像処理プログラム
JP2007-063816 2007-03-13

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/558,067 Continuation US8280162B2 (en) 2007-03-13 2009-09-11 Image processing apparatus and recording medium recording image processing program

Publications (1)

Publication Number Publication Date
WO2008111600A1 true WO2008111600A1 (ja) 2008-09-18

Family

ID=39759534

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054447 WO2008111600A1 (ja) 2007-03-13 2008-03-12 画像処理装置および画像処理プログラム

Country Status (3)

Country Link
US (1) US8280162B2 (ja)
JP (1) JP4810473B2 (ja)
WO (1) WO2008111600A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011097465A (ja) * 2009-10-30 2011-05-12 Dainippon Printing Co Ltd 画像処理装置、画像処理方法、および、画像処理用プログラム
JP2012190258A (ja) * 2011-03-10 2012-10-04 Denso Corp エッジ点抽出装置、車線検出装置、およびプログラム
JP2015501603A (ja) * 2011-11-01 2015-01-15 ドルビー ラボラトリーズ ライセンシング コーポレイション 拡張ダイナミックレンジをもつ画像の階層式符号化における適応的な偽輪郭生成防止

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1777938A1 (en) * 2005-10-19 2007-04-25 Thomson Licensing Method, system and device for colour quality control
JP5299867B2 (ja) * 2009-06-30 2013-09-25 日立コンシューマエレクトロニクス株式会社 画像信号処理装置
JP5975213B2 (ja) * 2012-10-02 2016-08-23 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
JP6278736B2 (ja) * 2014-02-26 2018-02-14 キヤノン株式会社 画像処理装置、画像処理方法、制御プログラム、および記録媒体
KR102399575B1 (ko) * 2014-09-26 2022-05-19 삼성디스플레이 주식회사 증착 위치 정밀도 검사장치 및 그것을 이용한 증착 위치 정밀도 검사방법
JP5826980B1 (ja) * 2014-11-28 2015-12-02 株式会社ＬｉｎｋＰｒｏ 画像処理装置及び画像処理方法
JP6956531B2 (ja) * 2017-06-19 2021-11-02 キヤノン株式会社 画像処理装置及び画像処理方法、プログラム、記憶媒体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07288837A (ja) * 1994-04-14 1995-10-31 Matsushita Electric Ind Co Ltd 色変換方法および色変換装置
JP2001118062A (ja) * 1999-10-18 2001-04-27 Keio Gijuku ダイナミックレンジ自動圧縮方法
JP2007006158A (ja) * 2005-06-24 2007-01-11 Olympus Corp 画像処理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370704B1 (ko) * 1998-04-17 2003-02-05 마쯔시다덴기산교 가부시키가이샤 의사윤곽 보정 장치 및 방법
KR100490405B1 (ko) * 2002-07-02 2005-05-17 삼성전자주식회사 프린팅 시스템에 있어서 이미지의 색상 조정방법 및 이를위한 그래픽 사용자 인터페이스
US7990343B2 (en) * 2004-05-18 2011-08-02 Panasonic Corporation False contour reduction device, display device, false contour reduction method, and false contour reduction program
KR100718081B1 (ko) * 2005-04-18 2007-05-16 삼성전자주식회사 의사윤곽 제거장치 및 그 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07288837A (ja) * 1994-04-14 1995-10-31 Matsushita Electric Ind Co Ltd 色変換方法および色変換装置
JP2001118062A (ja) * 1999-10-18 2001-04-27 Keio Gijuku ダイナミックレンジ自動圧縮方法
JP2007006158A (ja) * 2005-06-24 2007-01-11 Olympus Corp 画像処理装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011097465A (ja) * 2009-10-30 2011-05-12 Dainippon Printing Co Ltd 画像処理装置、画像処理方法、および、画像処理用プログラム
JP2012190258A (ja) * 2011-03-10 2012-10-04 Denso Corp エッジ点抽出装置、車線検出装置、およびプログラム
JP2015501603A (ja) * 2011-11-01 2015-01-15 ドルビー ラボラトリーズ ライセンシング コーポレイション 拡張ダイナミックレンジをもつ画像の階層式符号化における適応的な偽輪郭生成防止

Also Published As

Publication number Publication date
JP4810473B2 (ja) 2011-11-09
JP2008227945A (ja) 2008-09-25
US20100040283A1 (en) 2010-02-18
US8280162B2 (en) 2012-10-02

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