CN106326898B - 一种车牌图像提取方法 - Google Patents
一种车牌图像提取方法 Download PDFInfo
- Publication number
- CN106326898B CN106326898B CN201610658927.3A CN201610658927A CN106326898B CN 106326898 B CN106326898 B CN 106326898B CN 201610658927 A CN201610658927 A CN 201610658927A CN 106326898 B CN106326898 B CN 106326898B
- Authority
- CN
- China
- Prior art keywords
- character
- license plate
- pixel
- image
- max
- 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.)
- Active
Links
Classifications
-
- 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
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
-
- 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
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Character Input (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610658927.3A CN106326898B (zh) | 2016-08-04 | 2016-08-04 | 一种车牌图像提取方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610658927.3A CN106326898B (zh) | 2016-08-04 | 2016-08-04 | 一种车牌图像提取方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106326898A CN106326898A (zh) | 2017-01-11 |
CN106326898B true CN106326898B (zh) | 2019-09-20 |
Family
ID=57739202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610658927.3A Active CN106326898B (zh) | 2016-08-04 | 2016-08-04 | 一种车牌图像提取方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106326898B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109618041B (zh) * | 2018-02-25 | 2019-07-12 | 乐清市钜派企业管理咨询有限公司 | 基于电量监测的投影触发平台 |
CN110807807B (zh) * | 2018-08-01 | 2022-08-05 | 深圳市优必选科技有限公司 | 一种单目视觉的目标定位的图案、方法、装置及设备 |
CN109409247B (zh) * | 2018-09-30 | 2022-05-13 | 阿波罗智联(北京)科技有限公司 | 交通标志识别方法和装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050065883A (ko) * | 2003-12-26 | 2005-06-30 | 재단법인 포항산업과학연구원 | 컬러 영상 처리를 이용한 차량 번호판 인식 장치 |
CN1920849A (zh) * | 2005-08-26 | 2007-02-28 | 电子科技大学 | 基于高帽变换和小波变换的车牌提取方法 |
CN102509095A (zh) * | 2011-11-02 | 2012-06-20 | 青岛海信网络科技股份有限公司 | 一种车牌图像的预处理方法 |
CN103810474A (zh) * | 2014-02-14 | 2014-05-21 | 西安电子科技大学 | 一种基于多特征低秩矩阵表示的车牌检测方法 |
CN105279512A (zh) * | 2015-10-22 | 2016-01-27 | 东方网力科技股份有限公司 | 一种倾斜车牌识别方法和装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4396376B2 (ja) * | 2004-04-22 | 2010-01-13 | 日本電気株式会社 | 図形読み取り方法及びその装置並びに主要色抽出方法及びその装置 |
-
2016
- 2016-08-04 CN CN201610658927.3A patent/CN106326898B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050065883A (ko) * | 2003-12-26 | 2005-06-30 | 재단법인 포항산업과학연구원 | 컬러 영상 처리를 이용한 차량 번호판 인식 장치 |
CN1920849A (zh) * | 2005-08-26 | 2007-02-28 | 电子科技大学 | 基于高帽变换和小波变换的车牌提取方法 |
CN102509095A (zh) * | 2011-11-02 | 2012-06-20 | 青岛海信网络科技股份有限公司 | 一种车牌图像的预处理方法 |
CN103810474A (zh) * | 2014-02-14 | 2014-05-21 | 西安电子科技大学 | 一种基于多特征低秩矩阵表示的车牌检测方法 |
CN105279512A (zh) * | 2015-10-22 | 2016-01-27 | 东方网力科技股份有限公司 | 一种倾斜车牌识别方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
CN106326898A (zh) | 2017-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105354572B (zh) | 一种基于简化卷积神经网络的车牌自动识别系统 | |
CN103198315B (zh) | 基于字符轮廓和模板匹配的车牌字符分割算法 | |
CN106326898B (zh) | 一种车牌图像提取方法 | |
CN106875546A (zh) | 一种增值税发票的识别方法 | |
CN106650553A (zh) | 车牌识别方法及系统 | |
CN103226696B (zh) | 车牌的识别系统及方法 | |
CN107844740A (zh) | 一种脱机手写、印刷汉字识别方法及系统 | |
CN102375982A (zh) | 一种融合多字符特征的车牌定位方法 | |
CN107301418A (zh) | 光学字符识别中的版面分析 | |
CN109727363B (zh) | 一种在票据中识别大写金额的方法 | |
CN102799882A (zh) | 基于视觉显著性的车牌定位方法 | |
JP2016143408A (ja) | 交通標識から英数字を抽出/認識するコンピュータ実施システムおよび方法 | |
Baechler et al. | Text line extraction using DMLP classifiers for historical manuscripts | |
Jindal et al. | Diagonal features and SVM classifier for handwritten Gurumukhi character recognition | |
CN111815609B (zh) | 基于情境感知及多模型融合的病理图像分类方法及系统 | |
CN107392115B (zh) | 一种基于分层特征提取的交通标志识别方法 | |
CN103617423B (zh) | 基于色彩参数的图像拆分识别方法 | |
CN110046618B (zh) | 基于机器学习和最大极值稳定区域的车牌识别方法 | |
Zhu et al. | Traffic sign recognition based on color standardization | |
Rashid et al. | Discriminative learning for script recognition | |
CN110032999A (zh) | 一种汉字结构退化的低分辨率车牌识别方法 | |
Sutheebanjard et al. | A modified recursive xy cut algorithm for solving block ordering problems | |
Hong et al. | License plate extraction and recognition of a Thai vehicle based on MSER and BPNN | |
Alaidi et al. | Plate detection and recognition of Iraqi license plate using KNN algorithm | |
Jamtsho et al. | Bhutanese License Plate Recognition Using Hu’s Moments and Centroid Difference |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200113 Address after: 310018 Room 1004-1006, 17 Block 57, Baiyang Street Science Park Road, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Qibo Intellectual Property Operation Co., Ltd Address before: 264670 Yantai high tech Development Zone, Shandong Province, No. 513 Patentee before: An Kai |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200228 Address after: Suzhou City, Jiangsu province 215000 Industrial Park Weiting Wei Road 5 Patentee after: JIANGSU GM-WINLEAD INTELLIGENT TECHNOLOGY CO., LTD. Address before: 310018 Room 1004-1006, 17 Block 57, Baiyang Street Science Park Road, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: Zhejiang Qibo Intellectual Property Operation Co., Ltd |