JP6216871B2 - 文書バウンダリ検知方法 - Google Patents

文書バウンダリ検知方法 Download PDF

Info

Publication number
JP6216871B2
JP6216871B2 JP2016519588A JP2016519588A JP6216871B2 JP 6216871 B2 JP6216871 B2 JP 6216871B2 JP 2016519588 A JP2016519588 A JP 2016519588A JP 2016519588 A JP2016519588 A JP 2016519588A JP 6216871 B2 JP6216871 B2 JP 6216871B2
Authority
JP
Japan
Prior art keywords
document
image
image data
color
color channel
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.)
Active
Application number
JP2016519588A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016521890A5 (enExample
JP2016521890A (ja
Inventor
ルイス ジェームス ベアト
ルイス ジェームス ベアト
ジョン ジェイ アレシオ
ジョン ジェイ アレシオ
Original Assignee
コダック アラリス インク
コダック アラリス インク
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 コダック アラリス インク, コダック アラリス インク filed Critical コダック アラリス インク
Publication of JP2016521890A publication Critical patent/JP2016521890A/ja
Publication of JP2016521890A5 publication Critical patent/JP2016521890A5/ja
Application granted granted Critical
Publication of JP6216871B2 publication Critical patent/JP6216871B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40Document-oriented image-based pattern recognition
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/13Edge detection
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/20Image preprocessing
    • G06V10/24Aligning, centring, orientation detection or correction of the image
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/20Image preprocessing
    • G06V10/24Aligning, centring, orientation detection or correction of the image
    • G06V10/243Aligning, centring, orientation detection or correction of the image by compensating for image skew or non-uniform image deformations
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40Document-oriented image-based pattern recognition
    • G06V30/41Analysis of document content
    • G06V30/414Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742Detection methods
    • H04N1/00748Detecting edges, e.g. of a stationary sheet
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10004Still image; Photographic image
    • G06T2207/10008Still image; Photographic image from scanner, fax or copier
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10024Color image
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30176Document

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Image Processing (AREA)
  • Character Input (AREA)
  • Studio Devices (AREA)
  • Image Analysis (AREA)
  • Processing Or Creating Images (AREA)
JP2016519588A 2013-06-12 2014-06-10 文書バウンダリ検知方法 Active JP6216871B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361833952P 2013-06-12 2013-06-12
US61/833,952 2013-06-12
US14/263,181 US9122921B2 (en) 2013-06-12 2014-04-28 Method for detecting a document boundary
US14/263,181 2014-04-28
PCT/US2014/041675 WO2014200982A2 (en) 2013-06-12 2014-06-10 Method for detecting a document boundary

Publications (3)

Publication Number Publication Date
JP2016521890A JP2016521890A (ja) 2016-07-25
JP2016521890A5 JP2016521890A5 (enExample) 2017-07-20
JP6216871B2 true JP6216871B2 (ja) 2017-10-18

Family

ID=52019002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016519588A Active JP6216871B2 (ja) 2013-06-12 2014-06-10 文書バウンダリ検知方法

Country Status (5)

Country Link
US (1) US9122921B2 (enExample)
EP (1) EP3008661A2 (enExample)
JP (1) JP6216871B2 (enExample)
CN (1) CN105339951B (enExample)
WO (1) WO2014200982A2 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102279026B1 (ko) * 2014-11-07 2021-07-19 삼성전자주식회사 적어도 하나의 객체를 포함하는 영상에서 객체를 추출하여 보정한 영상을 제공하는 장치 및 방법
US9524445B2 (en) * 2015-02-27 2016-12-20 Sharp Laboratories Of America, Inc. Methods and systems for suppressing non-document-boundary contours in an image
US9900665B2 (en) 2015-06-16 2018-02-20 Telefonaktiebolaget Lm Ericsson (Publ) Caption rendering automation test framework
US9740952B2 (en) * 2015-06-16 2017-08-22 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for real time automated caption rendering testing
CN106991649A (zh) * 2016-01-20 2017-07-28 富士通株式会社 对摄像装置所捕获的文档图像进行校正的方法和装置
US9712697B1 (en) * 2016-01-20 2017-07-18 Xerox Corporation Detecting sizes of documents scanned using handheld devices
US9786039B2 (en) * 2016-01-26 2017-10-10 Wipro Limited Method and system for processing an image extracted from a document
JP6600090B2 (ja) * 2016-05-31 2019-10-30 株式会社Pfu 画像処理装置、画像処理方法、および、プログラム
RU2626661C1 (ru) * 2016-06-24 2017-07-31 Общество с ограниченной ответственностью "Аби Девелопмент" Способ и подсистема определения содержащих документ фрагментов цифрового изображения
US11158057B2 (en) 2016-12-30 2021-10-26 Huawei Technologies Co., Ltd. Device, method, and graphical user interface for processing document
CN108513664B (zh) * 2017-02-06 2019-11-29 华为技术有限公司 图像处理的方法和设备
JP6880867B2 (ja) * 2017-03-16 2021-06-02 株式会社リコー 画像処理装置、画像処理方法およびプログラム
US10171695B1 (en) * 2017-06-14 2019-01-01 Intuit Inc. Out-of bounds detection of a document in a live camera feed
US10257375B2 (en) * 2017-06-14 2019-04-09 Intuit, Inc. Detecting long documents in a live camera feed
KR102402148B1 (ko) * 2017-08-22 2022-05-26 삼성전자주식회사 전자 장치 및 그의 문자 인식 방법
CN109598177B (zh) * 2017-09-30 2023-12-01 施耐德电气工业公司 用于识别电气设备的状态的方法和装置
EP3496030A1 (en) * 2017-12-08 2019-06-12 Admesy B.V. Method and system for inspecting a display device
CN110414502B (zh) * 2019-08-02 2022-04-01 泰康保险集团股份有限公司 图像处理方法及装置、电子设备和计算机可读介质
JP7508212B2 (ja) * 2019-10-29 2024-07-01 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
TWI731484B (zh) * 2019-11-26 2021-06-21 台灣基督長老教會馬偕醫療財團法人馬偕紀念醫院 經由藥物泡型包裝影像建立藥物資料庫及管理藥物之方法及系統
CN114463352A (zh) * 2022-01-12 2022-05-10 济南超级计算技术研究院 玻片扫描图像目标分割提取方法及系统
CN114155546B (zh) * 2022-02-07 2022-05-20 北京世纪好未来教育科技有限公司 一种图像矫正方法、装置、电子设备和存储介质
CN115082935B (zh) * 2022-07-04 2024-11-12 网易有道信息技术(北京)有限公司 用于对文档图像进行矫正的方法、设备及存储介质
JP2024154762A (ja) * 2023-04-19 2024-10-31 ラピステクノロジー株式会社 画像処理装置及び撮像装置
KR102602292B1 (ko) * 2023-06-29 2023-11-16 주식회사 코이웨어 이미지에서 문서 영역 검출 장치 그 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3320759B2 (ja) * 1991-12-26 2002-09-03 株式会社東芝 文書画像傾き検出装置およびその方法
JPH064663A (ja) * 1992-06-16 1994-01-14 Seiko Instr Inc 画像データ2値化装置
JPH06343140A (ja) * 1993-06-01 1994-12-13 Matsushita Electric Ind Co Ltd 画像処理装置
JP3586147B2 (ja) * 1999-09-30 2004-11-10 キヤノン株式会社 画像処理装置、方法およびその処理を実行するプログラムを記憶する記憶媒体
US6985631B2 (en) * 2002-02-20 2006-01-10 Hewlett-Packard Development Company, L.P. Systems and methods for automatically detecting a corner in a digitally captured image
EP1517542B1 (en) * 2003-09-01 2010-11-10 Samsung Electronics Co., Ltd. Method and apparatus for adjusting colors of an image
US7593595B2 (en) 2004-08-26 2009-09-22 Compulink Management Center, Inc. Photographic document imaging system
JP2006270433A (ja) * 2005-03-23 2006-10-05 Fuji Xerox Co Ltd 画像処理方法
US8320683B2 (en) 2007-02-13 2012-11-27 Sharp Kabushiki Kaisha Image processing method, image processing apparatus, image reading apparatus, and image forming apparatus
US7991244B2 (en) 2007-04-30 2011-08-02 Hewlett-Packard Development Company, L.P. Variable skew correction system and method
WO2008150840A1 (en) * 2007-05-29 2008-12-11 University Of Iowa Research Foundation Methods and systems for determining optimal features for classifying patterns or objects in images
US8000514B2 (en) 2008-01-18 2011-08-16 Mitek Systems, Inc. Methods for mobile image capture and processing of checks
JP5236332B2 (ja) * 2008-03-28 2013-07-17 アイベックステクノロジー株式会社 符号化装置、符号化方法および符号化プログラム
CN102362485B (zh) * 2008-08-04 2015-05-13 人眼科技有限公司 用于减少伪像的方法和系统
JP5229050B2 (ja) * 2009-03-30 2013-07-03 富士通株式会社 画像からの文書領域抽出装置、方法、及びプログラム
JP4772894B2 (ja) * 2009-08-03 2011-09-14 シャープ株式会社 画像出力装置、携帯端末装置、撮像画像処理システム、画像出力方法、プログラムおよび記録媒体
JP4630936B1 (ja) * 2009-10-28 2011-02-09 シャープ株式会社 画像処理装置、画像処理方法、画像処理プログラム、画像処理プログラムを記録した記録媒体

Also Published As

Publication number Publication date
WO2014200982A3 (en) 2015-04-16
EP3008661A2 (en) 2016-04-20
WO2014200982A2 (en) 2014-12-18
US20140368891A1 (en) 2014-12-18
CN105339951B (zh) 2017-05-31
US9122921B2 (en) 2015-09-01
JP2016521890A (ja) 2016-07-25
CN105339951A (zh) 2016-02-17

Similar Documents

Publication Publication Date Title
JP6216871B2 (ja) 文書バウンダリ検知方法
US11694456B2 (en) Object detection and image cropping using a multi-detector approach
EP3241182B1 (en) System and method for measuring mobile document image quality
US8422788B2 (en) Automatic image straightening
US8805077B2 (en) Subject region detecting apparatus
TWI430184B (zh) 結合全色像素之邊緣映射
US20030156201A1 (en) Systems and methods for processing a digitally captured image
US20060280363A1 (en) Image processing apparatus and method, computer program, and storage medium
US8923610B2 (en) Image processing apparatus, image processing method, and computer readable medium
WO2014160433A2 (en) Systems and methods for classifying objects in digital images captured using mobile devices
JP2007504719A (ja) 組み込みアプリケーションに適した、画像における赤目の検出と補正を行うシステム及び方法
JP5779089B2 (ja) エッジ検出装置、エッジ検出プログラム、およびエッジ検出方法
CN102801897B (zh) 图像处理装置和图像处理方法
US20180184012A1 (en) Image processing apparatus, control method, and storage medium
CN108965646B (zh) 图像处理装置、图像处理方法
CN102737240B (zh) 分析数字文档图像的方法
CN112997217A (zh) 从视频图像进行文档检测
KR102054747B1 (ko) 이미지에서 기울어진 사각 영역 인식 방법 및 장치
WO2024016791A1 (zh) 处理图形符号的方法、装置和计算机可读存储介质
WO2015049392A1 (en) A method and system for improving the quality of colour images
US12026862B2 (en) Apparatus and methods for preprocessing images having elements of interest
JP2015028735A (ja) 画像処理装置およびプログラム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170607

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170607

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20170607

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170822

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20170825

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20170905

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170925

R150 Certificate of patent or registration of utility model

Ref document number: 6216871

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250