JP6755787B2 - 画像処理装置、画像処理方法およびプログラム - Google Patents

画像処理装置、画像処理方法およびプログラム Download PDF

Info

Publication number
JP6755787B2
JP6755787B2 JP2016251300A JP2016251300A JP6755787B2 JP 6755787 B2 JP6755787 B2 JP 6755787B2 JP 2016251300 A JP2016251300 A JP 2016251300A JP 2016251300 A JP2016251300 A JP 2016251300A JP 6755787 B2 JP6755787 B2 JP 6755787B2
Authority
JP
Japan
Prior art keywords
image
image processing
level
blur
character
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.)
Expired - Fee Related
Application number
JP2016251300A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018107593A5 (enExample
JP2018107593A (ja
Inventor
金津　知俊
知俊 金津
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 JP2016251300A priority Critical patent/JP6755787B2/ja
Priority to US15/837,436 priority patent/US10455163B2/en
Publication of JP2018107593A publication Critical patent/JP2018107593A/ja
Publication of JP2018107593A5 publication Critical patent/JP2018107593A5/ja
Application granted granted Critical
Publication of JP6755787B2 publication Critical patent/JP6755787B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/19—Recognition using electronic means
    • G06V30/191—Design or setup of recognition systems or techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
    • G06V30/19173—Classification techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/676—Bracketing for image capture at varying focusing conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265—Mixing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Data Mining & Analysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Image Processing (AREA)
  • Character Input (AREA)
JP2016251300A 2016-12-26 2016-12-26 画像処理装置、画像処理方法およびプログラム Expired - Fee Related JP6755787B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016251300A JP6755787B2 (ja) 2016-12-26 2016-12-26 画像処理装置、画像処理方法およびプログラム
US15/837,436 US10455163B2 (en) 2016-12-26 2017-12-11 Image processing apparatus that generates a combined image, control method, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016251300A JP6755787B2 (ja) 2016-12-26 2016-12-26 画像処理装置、画像処理方法およびプログラム

Publications (3)

Publication Number Publication Date
JP2018107593A JP2018107593A (ja) 2018-07-05
JP2018107593A5 JP2018107593A5 (enExample) 2020-02-06
JP6755787B2 true JP6755787B2 (ja) 2020-09-16

Family

ID=62625672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016251300A Expired - Fee Related JP6755787B2 (ja) 2016-12-26 2016-12-26 画像処理装置、画像処理方法およびプログラム

Country Status (2)

Country Link
US (1) US10455163B2 (enExample)
JP (1) JP6755787B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109690568A (zh) * 2016-09-12 2019-04-26 华为技术有限公司 一种处理方法及移动设备
CN109360455B (zh) * 2018-10-26 2021-04-02 北京世相科技文化有限公司 智能读书装置
US10917571B2 (en) 2018-11-05 2021-02-09 Sony Corporation Image capture device control based on determination of blur value of objects in images
US10970848B2 (en) * 2018-11-29 2021-04-06 Sap Se Font family and size aware character segmentation
US11514665B2 (en) 2020-04-01 2022-11-29 Scandit Ag Mapping optical-code images to an overview image
US11295163B1 (en) 2020-04-01 2022-04-05 Scandit Ag Recognition of optical patterns in images acquired by a robotic device
KR20210154594A (ko) * 2020-06-12 2021-12-21 삼성전자주식회사 초점 조절 기능을 포함하는 전자 장치 및 방법
CN115735211A (zh) * 2020-06-30 2023-03-03 富士胶片株式会社 信息处理装置、学习设备、摄像装置、信息处理装置的控制方法及程序
US12175327B1 (en) 2020-12-04 2024-12-24 Scandit Ag Camera start optimization for optical pattern decoding
US11495036B1 (en) * 2021-01-29 2022-11-08 Scandit Ag Segmenting images for optical character recognition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6975352B2 (en) * 2000-12-18 2005-12-13 Xerox Corporation Apparatus and method for capturing a composite digital image with regions of varied focus and magnification
JP4037206B2 (ja) * 2002-08-07 2008-01-23 株式会社リコー 画像入力装置及び画像入力方法
JP2010124406A (ja) * 2008-11-21 2010-06-03 Konica Minolta Opto Inc 撮像装置及び電子機器
US20110044554A1 (en) * 2009-08-21 2011-02-24 Konica Minolta Systems Laboratory, Inc. Adaptive deblurring for camera-based document image processing
JP6486603B2 (ja) * 2014-04-03 2019-03-20 シャープ株式会社 画像処理装置
JP2016015567A (ja) * 2014-07-01 2016-01-28 株式会社東芝 電子機器、処理方法およびプログラム
JP6290038B2 (ja) * 2014-08-20 2018-03-07 株式会社東芝 電子機器、方法及びプログラム
JP6521481B2 (ja) * 2015-03-19 2019-05-29 カシオ計算機株式会社 画像補正装置、及び画像補正方法、プログラム

Also Published As

Publication number Publication date
US10455163B2 (en) 2019-10-22
JP2018107593A (ja) 2018-07-05
US20180184012A1 (en) 2018-06-28

Similar Documents

Publication Publication Date Title
JP6755787B2 (ja) 画像処理装置、画像処理方法およびプログラム
CN101650783B (zh) 图像识别方法以及摄像装置
CN103366352B (zh) 用于产生背景被虚化的图像的设备和方法
US9208550B2 (en) Smart document capture based on estimated scanned-image quality
JP6347675B2 (ja) 画像処理装置、撮像装置、画像処理方法、撮像方法及びプログラム
JP5547243B2 (ja) 画像処理装置、プログラムおよび記録媒体
CN104683634B (zh) 便携式终端装置
AU2007224085A1 (en) Model- based dewarping method and apparatus
CN101764925A (zh) 数字图像的浅景深模拟方法
JP6198389B2 (ja) 画像処理装置、画像処理方法、及びコンピュータプログラム
JP2005309560A (ja) 画像処理方法および装置並びにプログラム
JP6798752B2 (ja) 補正画像を生成する方法、ノートブック又はアジェンダの１ページ又は２つの隣接するページに描かれた書込み又は図の選択画像を生成する方法、ｐｃ用のコンピュータプログラム、又は、スマートフォン若しくはタブレットコンピュータ用のモバイルアプリケーション
JP4556813B2 (ja) 画像処理装置、及びプログラム
CN105247567A (zh) 图像重新聚焦
JP2018107593A5 (enExample)
JP6542230B2 (ja) 投影ひずみを補正するための方法及びシステム
US9995905B2 (en) Method for creating a camera capture effect from user space in a camera capture system
JP2007074578A (ja) 画像処理装置、撮影装置、及びプログラム
WO2018196854A1 (zh) 一种拍照方法、拍照装置及移动终端
JP6669390B2 (ja) 情報処理装置、情報処理方法、及びプログラム
US10049476B1 (en) System and method of creating an editable text and images from a captured image of a hand-drawn and/or static two-dimensional diagram
JP2015102915A (ja) 情報処理装置、制御方法およびコンピュータプログラム
JP4271648B2 (ja) 画像合成装置、撮像手段、およびプログラム
JP6598402B1 (ja) レシート等帳票画像自動取得・読取方法、プログラム、及び携帯端末装置
JP2011188237A (ja) 画像処理方法、及び画像処理装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191218

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191218

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: 20200728

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200722

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200826

R151 Written notification of patent or utility model registration

Ref document number: 6755787

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees