JP5744510B2 - 画像処理方法 - Google Patents

画像処理方法 Download PDF

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Publication number
JP5744510B2
JP5744510B2 JP2010293022A JP2010293022A JP5744510B2 JP 5744510 B2 JP5744510 B2 JP 5744510B2 JP 2010293022 A JP2010293022 A JP 2010293022A JP 2010293022 A JP2010293022 A JP 2010293022A JP 5744510 B2 JP5744510 B2 JP 5744510B2
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Japan
Prior art keywords
size
correction
image data
shadow
dividing
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Application number
JP2010293022A
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English (en)
Japanese (ja)
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JP2012142724A (ja
JP2012142724A5 (enExample
Inventor
洋一郎 牧野
洋一郎 牧野
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2010293022A priority Critical patent/JP5744510B2/ja
Priority to US13/332,191 priority patent/US8792139B2/en
Publication of JP2012142724A publication Critical patent/JP2012142724A/ja
Publication of JP2012142724A5 publication Critical patent/JP2012142724A5/ja
Application granted granted Critical
Publication of JP5744510B2 publication Critical patent/JP5744510B2/ja
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    • 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
    • H04N1/38—Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures
    • 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
    • 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
    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20204—Removing film grain; Adding simulated film grain
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • 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
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0434—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 specially adapted for scanning pages of a book

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2010293022A 2010-12-28 2010-12-28 画像処理方法 Active JP5744510B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010293022A JP5744510B2 (ja) 2010-12-28 2010-12-28 画像処理方法
US13/332,191 US8792139B2 (en) 2010-12-28 2011-12-20 Image processing apparatus and method of controlling same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010293022A JP5744510B2 (ja) 2010-12-28 2010-12-28 画像処理方法

Publications (3)

Publication Number Publication Date
JP2012142724A JP2012142724A (ja) 2012-07-26
JP2012142724A5 JP2012142724A5 (enExample) 2014-02-20
JP5744510B2 true JP5744510B2 (ja) 2015-07-08

Family

ID=46316355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010293022A Active JP5744510B2 (ja) 2010-12-28 2010-12-28 画像処理方法

Country Status (2)

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US (1) US8792139B2 (enExample)
JP (1) JP5744510B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013045316A (ja) * 2011-08-25 2013-03-04 Sanyo Electric Co Ltd 画像処理装置及び画像処理方法
JP6021557B2 (ja) * 2012-09-28 2016-11-09 株式会社Pfu 画像処理装置、画像処理システム、画像処理方法、及び画像処理プログラム
CN104700362A (zh) * 2013-12-06 2015-06-10 富士通株式会社 文档图像处理装置和方法
CN105335953B (zh) * 2014-07-07 2018-04-10 富士通株式会社 提取图像的背景亮度图的装置和方法、去阴影装置和方法
JP6156447B2 (ja) * 2015-06-30 2017-07-05 カシオ計算機株式会社 画像処理装置、画像処理システム、画像処理方法およびプログラム
CN109409366B (zh) * 2018-10-30 2022-04-05 四川长虹电器股份有限公司 基于角点检测的畸变图像校正方法及装置
KR102661879B1 (ko) * 2019-04-05 2024-04-29 삼성전자주식회사 영상 처리 장치 및 그 영상 처리 방법
CN110737804B (zh) * 2019-09-20 2022-04-22 华中科技大学 一种基于活跃度布局的图处理访存优化方法及系统
CN112733346B (zh) * 2020-12-31 2022-08-09 博迈科海洋工程股份有限公司 一种电气操作间宜人化区域规划方法
CN116957957A (zh) * 2023-06-21 2023-10-27 浙江大华技术股份有限公司 图像阴影的校正方法、设备以及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3348167B2 (ja) * 1996-03-26 2002-11-20 シャープ株式会社 画像２値化装置
JP3631333B2 (ja) * 1996-08-23 2005-03-23 シャープ株式会社 画像処理装置
JP3436015B2 (ja) * 1996-09-19 2003-08-11 ミノルタ株式会社 画像読取り装置
DE19833417B4 (de) * 1997-07-24 2005-06-30 Ricoh Co., Ltd. Bildverarbeitungsvorrichtung
JP3425366B2 (ja) * 1998-06-30 2003-07-14 シャープ株式会社 画像補正装置
US7016536B1 (en) * 1999-11-24 2006-03-21 Gtx Corporation Method and apparatus for automatic cleaning and enhancing of scanned documents
JP2001268326A (ja) * 2000-03-23 2001-09-28 Minolta Co Ltd 画像処理装置および撮像装置
JP4111697B2 (ja) 2001-08-29 2008-07-02 株式会社リコー 画像輝度補正装置、画像読取装置、画像形成装置及びプログラム
US6839459B2 (en) * 2001-09-19 2005-01-04 Hewlett-Packard Development Company, L.P. Method and apparatus for three-dimensional shadow lightening
JP3900017B2 (ja) * 2002-06-04 2007-04-04 富士ゼロックス株式会社 画像処理装置
US7283666B2 (en) * 2003-02-27 2007-10-16 Saquib Suhail S Digital image exposure correction
US7693329B2 (en) * 2004-06-30 2010-04-06 Lexmark International, Inc. Bound document scanning method and apparatus
WO2006011261A1 (ja) * 2004-07-26 2006-02-02 Matsushita Electric Industrial Co., Ltd. 画像処理方法、画像処理装置および画像処理プログラム
US7689016B2 (en) * 2005-05-27 2010-03-30 Stoecker & Associates, A Subsidiary Of The Dermatology Center, Llc Automatic detection of critical dermoscopy features for malignant melanoma diagnosis
JP4991411B2 (ja) * 2006-07-28 2012-08-01 キヤノン株式会社 画像処理方法
US20090086275A1 (en) * 2007-09-28 2009-04-02 Jian Liang Processing a digital image of content
JP5071721B2 (ja) * 2008-02-27 2012-11-14 ソニー株式会社 画像処理装置および方法、並びにプログラム

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Publication number Publication date
US20120162675A1 (en) 2012-06-28
US8792139B2 (en) 2014-07-29
JP2012142724A (ja) 2012-07-26

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