JP2013527513A5 - - Google Patents
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- JP2013527513A5 JP2013527513A5 JP2012557155A JP2012557155A JP2013527513A5 JP 2013527513 A5 JP2013527513 A5 JP 2013527513A5 JP 2012557155 A JP2012557155 A JP 2012557155A JP 2012557155 A JP2012557155 A JP 2012557155A JP 2013527513 A5 JP2013527513 A5 JP 2013527513A5
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/720,732 | 2010-03-10 | ||
| US12/720,732 US8526732B2 (en) | 2010-03-10 | 2010-03-10 | Text enhancement of a textual image undergoing optical character recognition |
| PCT/US2011/027439 WO2011112522A2 (en) | 2010-03-10 | 2011-03-07 | Text enhancement of a textual image undergoing optical character recognition |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013527513A JP2013527513A (ja) | 2013-06-27 |
| JP2013527513A5 true JP2013527513A5 (enExample) | 2014-03-20 |
| JP5754065B2 JP5754065B2 (ja) | 2015-07-22 |
Family
ID=44560016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012557155A Active JP5754065B2 (ja) | 2010-03-10 | 2011-03-07 | 光学文字認識されるテキスト画像のテキスト解像度の改善方法及びシステム |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8526732B2 (enExample) |
| EP (1) | EP2545499B1 (enExample) |
| JP (1) | JP5754065B2 (enExample) |
| KR (1) | KR101795823B1 (enExample) |
| CN (1) | CN102782706B (enExample) |
| CA (1) | CA2790402A1 (enExample) |
| ES (1) | ES2773719T3 (enExample) |
| WO (1) | WO2011112522A2 (enExample) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11610653B2 (en) * | 2010-09-01 | 2023-03-21 | Apixio, Inc. | Systems and methods for improved optical character recognition of health records |
| US12165754B2 (en) | 2010-09-01 | 2024-12-10 | Apixio, Llc | Systems and methods for improved optical character recognition of health records |
| US20120106845A1 (en) * | 2010-10-30 | 2012-05-03 | Prakash Reddy | Replacing word with image of word |
| US9064191B2 (en) | 2012-01-26 | 2015-06-23 | Qualcomm Incorporated | Lower modifier detection and extraction from devanagari text images to improve OCR performance |
| US9053361B2 (en) * | 2012-01-26 | 2015-06-09 | Qualcomm Incorporated | Identifying regions of text to merge in a natural image or video frame |
| US8606011B1 (en) * | 2012-06-07 | 2013-12-10 | Amazon Technologies, Inc. | Adaptive thresholding for image recognition |
| JP2014006614A (ja) * | 2012-06-22 | 2014-01-16 | Sony Corp | 画像処理装置、画像処理方法、並びにプログラム |
| US9076242B2 (en) | 2012-07-19 | 2015-07-07 | Qualcomm Incorporated | Automatic correction of skew in natural images and video |
| US9047540B2 (en) | 2012-07-19 | 2015-06-02 | Qualcomm Incorporated | Trellis based word decoder with reverse pass |
| US9262699B2 (en) | 2012-07-19 | 2016-02-16 | Qualcomm Incorporated | Method of handling complex variants of words through prefix-tree based decoding for Devanagiri OCR |
| US9141874B2 (en) | 2012-07-19 | 2015-09-22 | Qualcomm Incorporated | Feature extraction and use with a probability density function (PDF) divergence metric |
| US9183458B2 (en) | 2012-07-19 | 2015-11-10 | Qualcomm Incorporated | Parameter selection and coarse localization of interest regions for MSER processing |
| US8787702B1 (en) * | 2012-11-30 | 2014-07-22 | Accusoft Corporation | Methods and apparatus for determining and/or modifying image orientation |
| US9256798B2 (en) * | 2013-01-31 | 2016-02-09 | Aurasma Limited | Document alteration based on native text analysis and OCR |
| GB2514410A (en) | 2013-05-24 | 2014-11-26 | Ibm | Image scaling for images including low resolution text |
| WO2015071923A1 (ja) * | 2013-11-12 | 2015-05-21 | 三菱電機株式会社 | 運転支援画像生成装置、運転支援画像表示装置、運転支援画像表示システム、及び運転支援画像生成プログラム |
| KR102159389B1 (ko) | 2014-03-17 | 2020-09-24 | 삼성디스플레이 주식회사 | 디지털 비디오 데이터를 보정하기 위한 보정 데이터 산출방법과 이를 이용하여 생성한 룩-업 테이블을 포함하는 유기전계발광 표시장치 |
| US9536161B1 (en) | 2014-06-17 | 2017-01-03 | Amazon Technologies, Inc. | Visual and audio recognition for scene change events |
| CN105718926A (zh) * | 2014-12-03 | 2016-06-29 | 夏普株式会社 | 一种文本检测的方法和装置 |
| JP2016143310A (ja) * | 2015-02-04 | 2016-08-08 | ソニー株式会社 | 情報処理装置、画像処理方法及びプログラム |
| CN106156766B (zh) | 2015-03-25 | 2020-02-18 | 阿里巴巴集团控股有限公司 | 文本行分类器的生成方法及装置 |
| CN105245756B (zh) * | 2015-09-28 | 2018-05-29 | 珠海奔图电子有限公司 | 图像处理方法及系统 |
| US9916492B1 (en) * | 2017-03-21 | 2018-03-13 | SkySlope, Inc. | Image processing and analysis for UID overlap avoidance |
| RU2657181C1 (ru) * | 2017-09-01 | 2018-06-08 | Общество с ограниченной ответственностью "Аби Продакшн" | Способ улучшения качества распознавания отдельного кадра |
| CN110533049B (zh) * | 2018-05-23 | 2023-05-02 | 富士通株式会社 | 提取印章图像的方法和装置 |
| CN111986095B (zh) * | 2019-05-22 | 2024-03-19 | 上海哔哩哔哩科技有限公司 | 基于边缘提取的图像处理方法及图像处理装置 |
| CN111080554B (zh) * | 2019-12-20 | 2023-08-04 | 成都极米科技股份有限公司 | 一种投影内容中字幕区域增强方法、装置及可读存储介质 |
| US11205084B2 (en) * | 2020-02-17 | 2021-12-21 | Wipro Limited | Method and system for evaluating an image quality for optical character recognition (OCR) |
| US11386687B2 (en) | 2020-03-30 | 2022-07-12 | Wipro Limited | System and method for reconstructing an image |
| CN111507352B (zh) * | 2020-04-16 | 2021-09-28 | 腾讯科技(深圳)有限公司 | 一种图像处理方法、装置、计算机设备以及存储介质 |
| CN111753832B (zh) * | 2020-07-02 | 2023-12-08 | 杭州睿琪软件有限公司 | 图像处理方法、图像处理装置、电子设备和存储介质 |
| US11494944B2 (en) | 2020-11-18 | 2022-11-08 | Disney Enterprises, Inc. | Automatic low contrast detection |
| US11544828B2 (en) | 2020-11-18 | 2023-01-03 | Disney Enterprises, Inc. | Automatic occlusion detection |
| CN112906686B (zh) | 2021-03-11 | 2024-11-15 | 北京小米移动软件有限公司 | 文字识别方法、装置、电子设备及存储介质 |
| JP7137170B1 (ja) * | 2021-03-22 | 2022-09-14 | 楽天グループ株式会社 | 情報処理装置、情報処理方法およびプログラム |
| CN113793403B (zh) * | 2021-08-19 | 2023-09-22 | 西南科技大学 | 一种模拟绘画过程的文本合成图像方法 |
| CN114241256B (zh) * | 2021-11-30 | 2024-12-17 | 郑州信大先进技术研究院 | 基于神经网络的训练样本图像增强方法及系统 |
| US11749006B2 (en) * | 2021-12-15 | 2023-09-05 | Intuit Inc. | Optical character recognition quality evaluation and optimization |
| CN118172377B (zh) * | 2022-12-09 | 2025-04-08 | 蔚来移动科技有限公司 | 文本的前景轮廓、水印图获取方法、系统、装置及介质 |
| CN116071763B (zh) * | 2023-03-06 | 2023-06-16 | 山东薪火书业有限公司 | 基于文字识别的教辅图书智能校编系统 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256688A (ja) * | 1988-08-23 | 1990-02-26 | Toyota Central Res & Dev Lab Inc | 文字切出し装置 |
| US5513304A (en) * | 1993-04-19 | 1996-04-30 | Xerox Corporation | Method and apparatus for enhanced automatic determination of text line dependent parameters |
| US5384864A (en) | 1993-04-19 | 1995-01-24 | Xerox Corporation | Method and apparatus for automatic determination of text line, word and character cell spatial features |
| US5915039A (en) * | 1996-11-12 | 1999-06-22 | International Business Machines Corporation | Method and means for extracting fixed-pitch characters on noisy images with complex background prior to character recognition |
| KR100480024B1 (ko) | 1997-12-31 | 2005-08-01 | 엘지전자 주식회사 | 획의두께정보를이용한모음인식방법 |
| US6301386B1 (en) * | 1998-12-09 | 2001-10-09 | Ncr Corporation | Methods and apparatus for gray image based text identification |
| JP2002157552A (ja) * | 2000-11-22 | 2002-05-31 | Oki Electric Ind Co Ltd | 光学式文字読取装置 |
| JP2003203205A (ja) * | 2002-01-08 | 2003-07-18 | Ricoh Co Ltd | 文字認識装置、文字認識方法、およびその方法をコンピュータに実行させるプログラム、並びにそのプログラムを記録したコンピュータ読み取り可能な記録媒体 |
| US20030198386A1 (en) * | 2002-04-19 | 2003-10-23 | Huitao Luo | System and method for identifying and extracting character strings from captured image data |
| JP4350778B2 (ja) * | 2002-09-05 | 2009-10-21 | 株式会社リコー | 画像処理装置、画像処理プログラムおよび記録媒体 |
| JP4118749B2 (ja) * | 2002-09-05 | 2008-07-16 | 株式会社リコー | 画像処理装置、画像処理プログラムおよび記憶媒体 |
| JP2004199622A (ja) * | 2002-12-20 | 2004-07-15 | Ricoh Co Ltd | 画像処理装置、画像処理方法、記録媒体およびプログラム |
| US7236632B2 (en) * | 2003-04-11 | 2007-06-26 | Ricoh Company, Ltd. | Automated techniques for comparing contents of images |
| JP4259950B2 (ja) * | 2003-08-08 | 2009-04-30 | 株式会社リコー | 画像認識装置、画像認識プログラムおよび記録媒体 |
| US8086050B2 (en) * | 2004-08-25 | 2011-12-27 | Ricoh Co., Ltd. | Multi-resolution segmentation and fill |
| TWI248754B (en) * | 2004-11-08 | 2006-02-01 | Avision Inc | Image acquiring device with background filtering function |
| US7953295B2 (en) * | 2006-06-29 | 2011-05-31 | Google Inc. | Enhancing text in images |
| JP2008187327A (ja) | 2007-01-29 | 2008-08-14 | Sharp Corp | 画像処理装置およびこれを備えた画像形成装置 |
| US8223395B2 (en) * | 2007-07-20 | 2012-07-17 | Sharp Laboratories Of America, Inc. | Methods and systems for refining text color in a digital image |
| US8320674B2 (en) * | 2008-09-03 | 2012-11-27 | Sony Corporation | Text localization for image and video OCR |
-
2010
- 2010-03-10 US US12/720,732 patent/US8526732B2/en active Active
-
2011
- 2011-03-07 KR KR1020127023496A patent/KR101795823B1/ko active Active
- 2011-03-07 EP EP11753880.1A patent/EP2545499B1/en active Active
- 2011-03-07 JP JP2012557155A patent/JP5754065B2/ja active Active
- 2011-03-07 CN CN201180013195.8A patent/CN102782706B/zh active Active
- 2011-03-07 WO PCT/US2011/027439 patent/WO2011112522A2/en not_active Ceased
- 2011-03-07 CA CA2790402A patent/CA2790402A1/en not_active Abandoned
- 2011-03-07 ES ES11753880T patent/ES2773719T3/es active Active
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