CN110738092B - 一种发票文本检测方法 - Google Patents
一种发票文本检测方法 Download PDFInfo
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- CN110738092B CN110738092B CN201910723111.8A CN201910723111A CN110738092B CN 110738092 B CN110738092 B CN 110738092B CN 201910723111 A CN201910723111 A CN 201910723111A CN 110738092 B CN110738092 B CN 110738092B
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- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000013507 mapping Methods 0.000 claims abstract description 5
- 230000011218 segmentation Effects 0.000 claims description 11
- 238000013527 convolutional neural network Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000013135 deep learning Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 15
- 239000013598 vector Substances 0.000 description 7
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000011895 specific detection Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000006740 morphological transformation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06V30/413—Classification of content, e.g. text, photographs or tables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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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CN201910723111.8A CN110738092B (zh) | 2019-08-06 | 2019-08-06 | 一种发票文本检测方法 |
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CN201910723111.8A CN110738092B (zh) | 2019-08-06 | 2019-08-06 | 一种发票文本检测方法 |
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CN110738092A CN110738092A (zh) | 2020-01-31 |
CN110738092B true CN110738092B (zh) | 2024-04-02 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111753727B (zh) * | 2020-06-24 | 2023-06-23 | 北京百度网讯科技有限公司 | 用于提取结构化信息的方法、装置、设备及可读存储介质 |
CN112200107A (zh) * | 2020-10-16 | 2021-01-08 | 深圳市华付信息技术有限公司 | 一种发票文本检测方法 |
CN112347865A (zh) * | 2020-10-21 | 2021-02-09 | 四川长虹电器股份有限公司 | 一种基于关键点检测的票据矫正方法 |
CN114267002B (zh) * | 2022-03-02 | 2022-05-24 | 深圳市华付信息技术有限公司 | 卷烟厂制丝车间工况监测方法、装置、设备及存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108549843A (zh) * | 2018-03-22 | 2018-09-18 | 南京邮电大学 | 一种基于图像处理的增值税发票识别方法 |
CN109741517A (zh) * | 2018-12-26 | 2019-05-10 | 大象慧云信息技术有限公司 | 一种发票查验方法、装置和系统 |
CN110008956A (zh) * | 2019-04-01 | 2019-07-12 | 深圳市华付信息技术有限公司 | 发票关键信息定位方法、装置、计算机设备及存储介质 |
CN110033000A (zh) * | 2019-03-21 | 2019-07-19 | 华中科技大学 | 一种票据图像的文本检测与识别方法 |
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- 2019-08-06 CN CN201910723111.8A patent/CN110738092B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108549843A (zh) * | 2018-03-22 | 2018-09-18 | 南京邮电大学 | 一种基于图像处理的增值税发票识别方法 |
CN109741517A (zh) * | 2018-12-26 | 2019-05-10 | 大象慧云信息技术有限公司 | 一种发票查验方法、装置和系统 |
CN110033000A (zh) * | 2019-03-21 | 2019-07-19 | 华中科技大学 | 一种票据图像的文本检测与识别方法 |
CN110008956A (zh) * | 2019-04-01 | 2019-07-12 | 深圳市华付信息技术有限公司 | 发票关键信息定位方法、装置、计算机设备及存储介质 |
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Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen Huafu Technology Co.,Ltd. Country or region after: China Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: SHENZHEN HUAFU INFORMATION TECHNOLOGY Co.,Ltd. Country or region before: China |