WO2010027654A3 - Automatic image straightening - Google Patents

Automatic image straightening Download PDF

Info

Publication number
WO2010027654A3
WO2010027654A3 PCT/US2009/054225 US2009054225W WO2010027654A3 WO 2010027654 A3 WO2010027654 A3 WO 2010027654A3 US 2009054225 W US2009054225 W US 2009054225W WO 2010027654 A3 WO2010027654 A3 WO 2010027654A3
Authority
WO
WIPO (PCT)
Prior art keywords
image
automatic image
image straightening
determined
edges
Prior art date
Application number
PCT/US2009/054225
Other languages
French (fr)
Other versions
WO2010027654A2 (en
Inventor
Denis Demandolx
Sing Bing Kang
Original Assignee
Microsoft 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 Microsoft Corporation filed Critical Microsoft Corporation
Priority to EP09811946A priority Critical patent/EP2316110A2/en
Priority to BRPI0915881A priority patent/BRPI0915881A2/en
Priority to CN2009801341814A priority patent/CN102132323B/en
Publication of WO2010027654A2 publication Critical patent/WO2010027654A2/en
Publication of WO2010027654A3 publication Critical patent/WO2010027654A3/en
Priority to IL209825A priority patent/IL209825A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/243—Aligning, centring, orientation detection or correction of the image by compensating for image skew or non-uniform image deformations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/60—Rotation of whole images or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)

Abstract

Tilt is reduced or eliminated in captured digital images. Edges in a first image are detected. Angles corresponding to the detected edges are determined. A dominant angle is selected from the determined angles. The first image is rotated according to the selected dominant angle to generate a second image. The second image is a de-tilted version of the first image.
PCT/US2009/054225 2008-08-26 2009-08-18 Automatic image straightening WO2010027654A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09811946A EP2316110A2 (en) 2008-08-26 2009-08-18 Automatic image straightening
BRPI0915881A BRPI0915881A2 (en) 2008-08-26 2009-08-18 automatic image straightening
CN2009801341814A CN102132323B (en) 2008-08-26 2009-08-18 System and method for automatic image straightening
IL209825A IL209825A (en) 2008-08-26 2010-12-07 Automatic image straightening

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/198,136 US8422788B2 (en) 2008-08-26 2008-08-26 Automatic image straightening
US12/198,136 2008-08-26

Publications (2)

Publication Number Publication Date
WO2010027654A2 WO2010027654A2 (en) 2010-03-11
WO2010027654A3 true WO2010027654A3 (en) 2010-05-06

Family

ID=41725544

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/054225 WO2010027654A2 (en) 2008-08-26 2009-08-18 Automatic image straightening

Country Status (7)

Country Link
US (2) US8422788B2 (en)
EP (1) EP2316110A2 (en)
CN (1) CN102132323B (en)
BR (1) BRPI0915881A2 (en)
IL (1) IL209825A (en)
RU (1) RU2011107203A (en)
WO (1) WO2010027654A2 (en)

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JP5889820B2 (en) * 2013-03-22 2016-03-22 株式会社東芝 Feature amount extraction device, feature amount extraction method, and image identification device
US20150042669A1 (en) * 2013-08-08 2015-02-12 Nvidia Corporation Rotating displayed content on an electronic device
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CN103679901B (en) * 2013-12-30 2017-01-04 威海北洋电气集团股份有限公司 Improve method and visitor's registration integral machine of OCR certificate recognition efficiency
JP5942047B2 (en) * 2014-03-17 2016-06-29 オリンパス株式会社 Endoscope system
TWI511088B (en) * 2014-07-25 2015-12-01 Altek Autotronics Corp Method for generating orientation image
CN104796619B (en) * 2015-05-05 2018-01-16 广东欧珀移动通信有限公司 The method, device and mobile terminal taken pictures
CN104834928B (en) * 2015-05-08 2018-05-18 小米科技有限责任公司 The definite method and device of identification region in picture
US11032471B2 (en) * 2016-06-30 2021-06-08 Nokia Technologies Oy Method and apparatus for providing a visual indication of a point of interest outside of a user's view
GB2553103B (en) * 2016-08-19 2022-04-27 Apical Ltd Method of angle detection
CN106780352B (en) * 2016-12-16 2020-06-09 珠海赛纳打印科技股份有限公司 Image rotation method and device and image forming equipment
CN109584165A (en) * 2018-11-30 2019-04-05 泰康保险集团股份有限公司 A kind of antidote of digital picture, device, medium and electronic equipment
CN111325670A (en) * 2018-12-13 2020-06-23 杭州海康威视数字技术股份有限公司 Data enhancement method and device and electronic equipment
CN109767389B (en) * 2019-01-15 2023-06-20 四川大学 Self-adaptive weighted double-norm remote sensing image blind super-resolution reconstruction method based on local and non-local combined prior
US11281902B1 (en) 2019-06-19 2022-03-22 Imaging Business Machines Llc Document scanning system
CN111415302B (en) * 2020-03-25 2023-06-09 Oppo广东移动通信有限公司 Image processing method, device, storage medium and electronic equipment
CN112034676B (en) * 2020-09-25 2024-03-08 上海华力微电子有限公司 Pretreatment method of pixel graph
CN113516103A (en) * 2021-08-07 2021-10-19 山东微明信息技术有限公司 Table image inclination angle determining method based on support vector machine
CN113673522B (en) * 2021-10-21 2022-04-19 北京世纪好未来教育科技有限公司 Method, device and equipment for detecting inclination angle of text image and storage medium

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US20080186333A1 (en) * 2001-03-28 2008-08-07 Ravi Prakash Image rotation with substantially no aliasing error
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US20040252912A1 (en) * 2003-06-13 2004-12-16 Keven Yang Method for automatically correcting skew image

Also Published As

Publication number Publication date
US20100054595A1 (en) 2010-03-04
CN102132323B (en) 2013-12-04
BRPI0915881A2 (en) 2015-11-03
US8422788B2 (en) 2013-04-16
EP2316110A2 (en) 2011-05-04
IL209825A (en) 2015-08-31
US20130188876A1 (en) 2013-07-25
RU2011107203A (en) 2012-08-27
CN102132323A (en) 2011-07-20
WO2010027654A2 (en) 2010-03-11
US9092884B2 (en) 2015-07-28
IL209825A0 (en) 2011-02-28

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