JP6082306B2 - 光学式文字認識用に画像を前処理するための方法およびシステム - Google Patents
光学式文字認識用に画像を前処理するための方法およびシステム Download PDFInfo
- Publication number
- JP6082306B2 JP6082306B2 JP2013084694A JP2013084694A JP6082306B2 JP 6082306 B2 JP6082306 B2 JP 6082306B2 JP 2013084694 A JP2013084694 A JP 2013084694A JP 2013084694 A JP2013084694 A JP 2013084694A JP 6082306 B2 JP6082306 B2 JP 6082306B2
- Authority
- JP
- Japan
- Prior art keywords
- components
- column
- word
- height
- image
- 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
Links
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
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/41—Analysis of document content
- G06V30/414—Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
-
- 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
- G06V30/28—Character recognition specially adapted to the type of the alphabet, e.g. Latin alphabet
- G06V30/293—Character recognition specially adapted to the type of the alphabet, e.g. Latin alphabet of characters other than Kanji, Hiragana or Katakana
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Artificial Intelligence (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/467,873 US8548246B2 (en) | 2010-06-12 | 2012-05-09 | Method and system for preprocessing an image for optical character recognition |
| US13/467,873 | 2012-05-09 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013235574A JP2013235574A (ja) | 2013-11-21 |
| JP2013235574A5 JP2013235574A5 (enExample) | 2016-06-30 |
| JP6082306B2 true JP6082306B2 (ja) | 2017-02-15 |
Family
ID=48184014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013084694A Expired - Fee Related JP6082306B2 (ja) | 2012-05-09 | 2013-04-15 | 光学式文字認識用に画像を前処理するための方法およびシステム |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2662802A1 (enExample) |
| JP (1) | JP6082306B2 (enExample) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5848184A (en) * | 1993-03-15 | 1998-12-08 | Unisys Corporation | Document page analyzer and method |
| US7724957B2 (en) * | 2006-07-31 | 2010-05-25 | Microsoft Corporation | Two tiered text recognition |
| WO2008138356A2 (en) * | 2007-05-15 | 2008-11-20 | The Engineering Company For The Development Of Computer Systems ; (Rdi) | System and method for arabic omni font written optica character recognition |
| US8150160B2 (en) * | 2009-03-26 | 2012-04-03 | King Fahd University Of Petroleum & Minerals | Automatic Arabic text image optical character recognition method |
| US8111911B2 (en) * | 2009-04-27 | 2012-02-07 | King Abdulaziz City For Science And Technology | System and methods for arabic text recognition based on effective arabic text feature extraction |
| US8218875B2 (en) * | 2010-06-12 | 2012-07-10 | Hussein Khalid Al-Omari | Method and system for preprocessing an image for optical character recognition |
-
2013
- 2013-04-09 EP EP13162939.6A patent/EP2662802A1/en not_active Withdrawn
- 2013-04-15 JP JP2013084694A patent/JP6082306B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2662802A1 (en) | 2013-11-13 |
| JP2013235574A (ja) | 2013-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5355625B2 (ja) | 光学式文字認識用に画像を前処理するための方法およびシステム | |
| JP5355621B2 (ja) | 光学式文字認識用に画像を前処理するための方法およびシステム | |
| CN111814722B (zh) | 一种图像中的表格识别方法、装置、电子设备及存储介质 | |
| KR101452562B1 (ko) | 비디오 이미지에서 텍스트를 검출하는 방법 | |
| JP5492205B2 (ja) | 印刷媒体ページの記事へのセグメント化 | |
| JP4821869B2 (ja) | 文字認識装置、画像読取装置、およびプログラム | |
| JP4189506B2 (ja) | 画像処理のための装置、方法及び記録媒体 | |
| CN102870399A (zh) | 在ocr过程中将词语位图分割为单个字符或字形 | |
| CN110598566A (zh) | 图像处理方法、装置、终端和计算机可读存储介质 | |
| US20030012438A1 (en) | Multiple size reductions for image segmentation | |
| JPH05233873A (ja) | 領域分割方法 | |
| US8229214B2 (en) | Image processing apparatus and image processing method | |
| KR101571681B1 (ko) | 동질 영역을 이용한 문서 구조의 분석 방법 | |
| Kaur et al. | Page segmentation in OCR system-a review | |
| JP6082306B2 (ja) | 光学式文字認識用に画像を前処理するための方法およびシステム | |
| CN118429987A (zh) | 针对视频中字幕的ocr识别系统 | |
| CN102542269B (zh) | 西文单词切分方法和装置 | |
| CN107545261A (zh) | 文本检测的方法及装置 | |
| CN106407969A (zh) | 一种健壮的复杂背景视频文本定位和抽取方法 | |
| JP4194309B2 (ja) | 文書方向推定方法および文書方向推定プログラム | |
| Nor et al. | Image segmentation and text extraction: application to the extraction of textual information in scene images | |
| JP7370574B2 (ja) | コマ抽出方法及びプログラム | |
| JPH09114923A (ja) | 領域分割装置 | |
| Deivalakshmi | A simple system for table extraction irrespective of boundary thickness and removal of detected spurious lines | |
| JPH09102010A (ja) | 類似文書の領域分割方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160216 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160512 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20160512 |
|
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20160719 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160726 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161024 |
|
| 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: 20170104 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170120 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6082306 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 |
|
| LAPS | Cancellation because of no payment of annual fees |