CN105184317A - 一种基于svm分类的车牌字符分割方法 - Google Patents
一种基于svm分类的车牌字符分割方法 Download PDFInfo
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- CN105184317A CN105184317A CN201510543250.4A CN201510543250A CN105184317A CN 105184317 A CN105184317 A CN 105184317A CN 201510543250 A CN201510543250 A CN 201510543250A CN 105184317 A CN105184317 A CN 105184317A
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- 230000011218 segmentation Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012549 training Methods 0.000 claims abstract description 29
- 238000012937 correction Methods 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
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- 238000004883 computer application Methods 0.000 description 3
- 238000003708 edge detection Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 238000013473 artificial intelligence Methods 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
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- 238000003909 pattern recognition Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012706 support-vector machine Methods 0.000 description 1
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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
- G06F18/2411—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on the proximity to a decision surface, e.g. support vector machines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
- G06V10/507—Summing image-intensity values; Histogram projection analysis
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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
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
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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
- G06V20/625—License plates
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107392093A (zh) * | 2017-06-14 | 2017-11-24 | 北京遥感设备研究所 | 一种基于机器学习和灰度投影算法相结合的铁轨识别系统 |
CN109034149A (zh) * | 2017-06-08 | 2018-12-18 | 北京君正集成电路股份有限公司 | 一种字符识别方法及装置 |
CN109993171A (zh) * | 2019-03-12 | 2019-07-09 | 电子科技大学 | 一种基于多模板和多比例的车牌字符分割方法 |
CN110533026A (zh) * | 2019-07-18 | 2019-12-03 | 西安电子科技大学 | 基于计算机视觉的电竞图像数字与图标信息获取方法 |
CN111104946A (zh) * | 2019-12-24 | 2020-05-05 | 江苏国光信息产业股份有限公司 | 一种基于svm分类器的纸币冠字号字符分割方法 |
CN112598005A (zh) * | 2020-12-24 | 2021-04-02 | 深圳市信义科技有限公司 | 一种武警车牌字符分割方法、存储介质及计算机设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI236638B (en) * | 2004-03-24 | 2005-07-21 | Univ Chung Yuan Christian | Multiple recognition system and method for license plates |
CN103455815A (zh) * | 2013-08-27 | 2013-12-18 | 电子科技大学 | 一种复杂场景下的自适应车牌字符分割方法 |
CN104318225A (zh) * | 2014-11-19 | 2015-01-28 | 深圳市捷顺科技实业股份有限公司 | 车牌检测方法及装置 |
CN104408475A (zh) * | 2014-12-08 | 2015-03-11 | 深圳市捷顺科技实业股份有限公司 | 一种车牌识别方法及车牌识别设备 |
CN104809461A (zh) * | 2015-05-08 | 2015-07-29 | 内蒙古科技大学 | 结合序列图像超分辨率重建的车牌识别方法及系统 |
-
2015
- 2015-08-29 CN CN201510543250.4A patent/CN105184317B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI236638B (en) * | 2004-03-24 | 2005-07-21 | Univ Chung Yuan Christian | Multiple recognition system and method for license plates |
CN103455815A (zh) * | 2013-08-27 | 2013-12-18 | 电子科技大学 | 一种复杂场景下的自适应车牌字符分割方法 |
CN104318225A (zh) * | 2014-11-19 | 2015-01-28 | 深圳市捷顺科技实业股份有限公司 | 车牌检测方法及装置 |
CN104408475A (zh) * | 2014-12-08 | 2015-03-11 | 深圳市捷顺科技实业股份有限公司 | 一种车牌识别方法及车牌识别设备 |
CN104809461A (zh) * | 2015-05-08 | 2015-07-29 | 内蒙古科技大学 | 结合序列图像超分辨率重建的车牌识别方法及系统 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109034149A (zh) * | 2017-06-08 | 2018-12-18 | 北京君正集成电路股份有限公司 | 一种字符识别方法及装置 |
CN107392093A (zh) * | 2017-06-14 | 2017-11-24 | 北京遥感设备研究所 | 一种基于机器学习和灰度投影算法相结合的铁轨识别系统 |
CN107392093B (zh) * | 2017-06-14 | 2019-01-01 | 北京遥感设备研究所 | 一种基于机器学习和灰度投影算法相结合的铁轨识别系统 |
CN109993171A (zh) * | 2019-03-12 | 2019-07-09 | 电子科技大学 | 一种基于多模板和多比例的车牌字符分割方法 |
CN109993171B (zh) * | 2019-03-12 | 2022-05-03 | 电子科技大学 | 一种基于多模板和多比例的车牌字符分割方法 |
CN110533026A (zh) * | 2019-07-18 | 2019-12-03 | 西安电子科技大学 | 基于计算机视觉的电竞图像数字与图标信息获取方法 |
CN111104946A (zh) * | 2019-12-24 | 2020-05-05 | 江苏国光信息产业股份有限公司 | 一种基于svm分类器的纸币冠字号字符分割方法 |
CN112598005A (zh) * | 2020-12-24 | 2021-04-02 | 深圳市信义科技有限公司 | 一种武警车牌字符分割方法、存储介质及计算机设备 |
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Address after: No.3, 11th floor, building 6, no.599, shijicheng South Road, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee after: Houpu clean energy (Group) Co.,Ltd. Address before: No.3, 11th floor, building 6, no.599, shijicheng South Road, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee before: Houpu clean energy Co.,Ltd. |
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