JP5067882B2 - 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
JP5067882B2
JP5067882B2 JP2008187111A JP2008187111A JP5067882B2 JP 5067882 B2 JP5067882 B2 JP 5067882B2 JP 2008187111 A JP2008187111 A JP 2008187111A JP 2008187111 A JP2008187111 A JP 2008187111A JP 5067882 B2 JP5067882 B2 JP 5067882B2
Authority
JP
Japan
Prior art keywords
pixel value
image processing
point
feature point
contour
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
JP2008187111A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010028429A5 (OSRAM
JP2010028429A (ja
Inventor
美穂 小宮
一郎 梅田
暁艶 戴
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 JP2008187111A priority Critical patent/JP5067882B2/ja
Priority to US12/499,954 priority patent/US8254693B2/en
Publication of JP2010028429A publication Critical patent/JP2010028429A/ja
Publication of JP2010028429A5 publication Critical patent/JP2010028429A5/ja
Application granted granted Critical
Publication of JP5067882B2 publication Critical patent/JP5067882B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • 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
    • 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
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • G06V30/1831—Extraction of features or characteristics of the image by coding the contour of the pattern using gradient analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Generation (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Analysis (AREA)
JP2008187111A 2008-07-18 2008-07-18 画像処理装置、画像処理方法およびプログラム Expired - Fee Related JP5067882B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008187111A JP5067882B2 (ja) 2008-07-18 2008-07-18 画像処理装置、画像処理方法およびプログラム
US12/499,954 US8254693B2 (en) 2008-07-18 2009-07-09 Image processing apparatus, image processing method and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008187111A JP5067882B2 (ja) 2008-07-18 2008-07-18 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
JP2010028429A JP2010028429A (ja) 2010-02-04
JP2010028429A5 JP2010028429A5 (OSRAM) 2011-09-01
JP5067882B2 true JP5067882B2 (ja) 2012-11-07

Family

ID=41530348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008187111A Expired - Fee Related JP5067882B2 (ja) 2008-07-18 2008-07-18 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) US8254693B2 (OSRAM)
JP (1) JP5067882B2 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5335581B2 (ja) * 2009-07-01 2013-11-06 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
JP5968098B2 (ja) 2012-06-14 2016-08-10 キヤノン株式会社 画像処理装置、画像処理方法、プログラム、及び記憶媒体
JP2015087167A (ja) * 2013-10-29 2015-05-07 キヤノン株式会社 画像処理方法、画像処理システム
US11800056B2 (en) 2021-02-11 2023-10-24 Logitech Europe S.A. Smart webcam system
US11800048B2 (en) 2021-02-24 2023-10-24 Logitech Europe S.A. Image generating system with background replacement or modification capabilities

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101448A (en) * 1988-08-24 1992-03-31 Hitachi, Ltd. Method and apparatus for processing a document by utilizing an image
JPH04141783A (ja) * 1990-10-03 1992-05-15 Dainippon Printing Co Ltd 電子線図形データ作成装置及び方法
JPH05181966A (ja) * 1991-12-27 1993-07-23 Minolta Camera Co Ltd 画像出力方法
JPH0787302A (ja) * 1993-09-16 1995-03-31 Fuji Xerox Co Ltd 文書処理装置
JPH07121698A (ja) * 1993-10-26 1995-05-12 Glory Ltd 手書きデータの曲線近似方法
DE69512824T2 (de) * 1994-04-22 2000-01-27 Victor Company Of Japan, Ltd. Kompressions- und Dekompressionsverfahren für mehrdimensionale mehrwertige Farbbilder
DE69635101T2 (de) * 1995-11-01 2006-06-01 Canon K.K. Verfahren zur Extraktion von Gegenständen und dieses Verfahren verwendendes Bildaufnahmegerät
JPH1055447A (ja) * 1996-05-21 1998-02-24 Monorisu:Kk オブジェクト認識方法およびその方法を用いた装置
JPH1125282A (ja) * 1997-06-30 1999-01-29 Fuji Xerox Co Ltd 画像形成装置およびグラデーションパターン生成方法
JPH11272860A (ja) * 1998-03-26 1999-10-08 Meidensha Corp 図面自動入力装置の特殊線表示方法
JP2000293696A (ja) * 1999-04-07 2000-10-20 Matsushita Electric Ind Co Ltd 画像認識装置
US6901171B1 (en) * 1999-04-30 2005-05-31 Cognex Technology And Investment Corporation Methods and apparatuses for refining groupings of edge points that represent a contour in an image
JP4612760B2 (ja) * 2000-04-25 2011-01-12 キヤノン株式会社 画像処理装置およびその方法
JP4003465B2 (ja) * 2002-01-28 2007-11-07 松下電工株式会社 特定パターン認識方法、特定パターン認識プログラム、特定パターン認識プログラム記録媒体および特定パターン認識装置
JP3964219B2 (ja) * 2002-01-29 2007-08-22 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、記録媒体
US7623712B2 (en) * 2005-06-09 2009-11-24 Canon Kabushiki Kaisha Image processing method and apparatus
JP2007066070A (ja) * 2005-08-31 2007-03-15 Sharp Corp 画像情報処理装置、画像情報処理方法およびプログラム
US7831107B2 (en) * 2005-10-17 2010-11-09 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and program
JP4748789B2 (ja) * 2005-12-05 2011-08-17 キヤノン株式会社 画像処理方法及び画像処理装置
JP2007183711A (ja) * 2006-01-04 2007-07-19 Hitachi Software Eng Co Ltd 対角線グラフを用いたマハラノビス距離による画像認識用プログラム
JP4799246B2 (ja) * 2006-03-30 2011-10-26 キヤノン株式会社 画像処理方法及び画像処理装置

Also Published As

Publication number Publication date
US8254693B2 (en) 2012-08-28
JP2010028429A (ja) 2010-02-04
US20100014752A1 (en) 2010-01-21

Similar Documents

Publication Publication Date Title
EP3065063B1 (en) Method for emphasizing differences in graphical appearance between an original document and a modified document with annotations
US9632678B2 (en) Image processing apparatus, image processing method, and program
JP4738469B2 (ja) 画像処理装置、画像処理プログラムおよび画像処理方法
US8787677B2 (en) Image processing method, image processing apparatus, and program
CN111461070B (zh) 文本识别方法、装置、电子设备及存储介质
CN111857893B (zh) 标注图形生成方法及装置
CN115812221A (zh) 图像生成及着色方法及装置
JP5067882B2 (ja) 画像処理装置、画像処理方法およびプログラム
JP4748234B2 (ja) 画像処理装置および画像形成装置
JP6546385B2 (ja) 画像処理装置及びその制御方法、プログラム
JP5005732B2 (ja) 画像形成装置及び画像処理方法
US20110187721A1 (en) Line drawing processing apparatus, storage medium storing a computer-readable program, and line drawing processing method
US20090115867A1 (en) Image processing apparatus, image processing method, image processing program, and program recording medium
JP4259949B2 (ja) 画像作成装置、画像作成プログラムおよび記録媒体
US8520951B2 (en) Image processing method, image processing apparatus, and computer readable storage medium
JP4825888B2 (ja) 文書画像処理装置および文書画像処理方法
US9031324B2 (en) Image-processing device specifying encircling line for identifying sub-region of image
US11017505B2 (en) System and method for applying antialiasing to images
JP2006237858A (ja) 画像処理装置、画像処理方法、その方法をコンピュータに実行させるプログラム、および記録媒体
JP2007109177A (ja) 画像処理装置及びその制御方法、プログラム
CN117079294B (zh) 一种电表断码屏标准模板生成方法、装置、设备及介质
JP4753889B2 (ja) 線抽出処理装置、線抽出処理プログラム、線抽出処理プログラムが格納された記録媒体および線抽出処理方法
JP4435141B2 (ja) 文字認識装置、文字認識方法および文字認識プログラム
JP4390723B2 (ja) 情報埋め込み装置、情報抽出装置、情報埋め込み方法、情報抽出方法、情報埋め込みプログラム、情報抽出プログラム及び記録媒体
US10410052B2 (en) Stroke based skeletonizer

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20101106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110715

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110715

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120419

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120427

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120626

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: 20120717

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120809

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150824

Year of fee payment: 3

R151 Written notification of patent or utility model registration

Ref document number: 5067882

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150824

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees