CN104871180B - 用于ocr的基于文本图像质量的反馈 - Google Patents
用于ocr的基于文本图像质量的反馈 Download PDFInfo
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- CN104871180B CN104871180B CN201380064784.8A CN201380064784A CN104871180B CN 104871180 B CN104871180 B CN 104871180B CN 201380064784 A CN201380064784 A CN 201380064784A CN 104871180 B CN104871180 B CN 104871180B
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- 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
- G06V30/14—Image acquisition
- G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
- G06V30/1456—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields based on user interactions
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/63—Scene text, e.g. street names
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Character Input (AREA)
- Character Discrimination (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN5200CH2012 | 2012-12-13 | ||
| IN5200/CHE/2012 | 2012-12-13 | ||
| US13/843,637 | 2013-03-15 | ||
| US13/843,637 US9317764B2 (en) | 2012-12-13 | 2013-03-15 | Text image quality based feedback for improving OCR |
| PCT/US2013/071479 WO2014092978A1 (en) | 2012-12-13 | 2013-11-22 | Text image quality based feedback for ocr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104871180A CN104871180A (zh) | 2015-08-26 |
| CN104871180B true CN104871180B (zh) | 2017-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380064784.8A Expired - Fee Related CN104871180B (zh) | 2012-12-13 | 2013-11-22 | 用于ocr的基于文本图像质量的反馈 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9317764B2 (enExample) |
| EP (1) | EP2932437A1 (enExample) |
| JP (1) | JP6129987B2 (enExample) |
| CN (1) | CN104871180B (enExample) |
| WO (1) | WO2014092978A1 (enExample) |
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| US9047540B2 (en) | 2012-07-19 | 2015-06-02 | Qualcomm Incorporated | Trellis based word decoder with reverse pass |
| US9183458B2 (en) | 2012-07-19 | 2015-11-10 | Qualcomm Incorporated | Parameter selection and coarse localization of interest regions for MSER processing |
| 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 |
| US9076242B2 (en) * | 2012-07-19 | 2015-07-07 | Qualcomm Incorporated | Automatic correction of skew in natural images and video |
| US9141874B2 (en) | 2012-07-19 | 2015-09-22 | Qualcomm Incorporated | Feature extraction and use with a probability density function (PDF) divergence metric |
| DE102013005658A1 (de) * | 2013-04-02 | 2014-10-02 | Docuware Gmbh | Erfassung eines dokuments |
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| CN105975955B (zh) * | 2016-05-27 | 2019-07-02 | 北京医拍智能科技有限公司 | 一种图像中文本区域的检测方法 |
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| RU2640296C1 (ru) * | 2016-12-06 | 2017-12-27 | Общество с ограниченной ответственностью "Аби Девелопмент" | Способ и устройство для определения пригодности документа для оптического распознавания символов (ocr) на сервере |
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| CN107194890B (zh) * | 2017-05-18 | 2020-07-28 | 上海兆芯集成电路有限公司 | 使用多分辨率改善图像质量的方法及装置 |
| CN107194891B (zh) | 2017-05-18 | 2020-11-10 | 上海兆芯集成电路有限公司 | 改善图像质量的方法及虚拟实境装置 |
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| CN111639566B (zh) * | 2020-05-19 | 2024-08-09 | 浙江大华技术股份有限公司 | 一种提取表单信息的方法及装置 |
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2013
- 2013-03-15 US US13/843,637 patent/US9317764B2/en active Active
- 2013-11-22 WO PCT/US2013/071479 patent/WO2014092978A1/en not_active Ceased
- 2013-11-22 JP JP2015547384A patent/JP6129987B2/ja active Active
- 2013-11-22 CN CN201380064784.8A patent/CN104871180B/zh not_active Expired - Fee Related
- 2013-11-22 EP EP13811043.2A patent/EP2932437A1/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6129987B2 (ja) | 2017-05-17 |
| EP2932437A1 (en) | 2015-10-21 |
| WO2014092978A1 (en) | 2014-06-19 |
| JP2015537325A (ja) | 2015-12-24 |
| CN104871180A (zh) | 2015-08-26 |
| US9317764B2 (en) | 2016-04-19 |
| US20140168478A1 (en) | 2014-06-19 |
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