CN101887582B - Curve corner point detection method based on difference accumulated values and three-point chain code differences - Google Patents
Curve corner point detection method based on difference accumulated values and three-point chain code differences Download PDFInfo
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Families Citing this family (8)
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CN102615052B (en) * | 2012-02-21 | 2013-12-25 | 上海大学 | Machine visual identification method for sorting products with corner point characteristics |
CN105574864B (en) * | 2015-12-14 | 2018-05-22 | 浙江工业大学 | The self-adaptive angular-point detection method to be added up based on angle |
CN106780377B (en) * | 2016-12-07 | 2019-12-20 | 天津大学 | Contour smoothing method based on Freeman chain code in medical image segmentation |
CN109711418B (en) * | 2019-01-29 | 2020-12-01 | 浙江大学 | Contour corner detection method for object plane image |
CN111462153B (en) * | 2020-04-30 | 2023-05-19 | 柳州智视科技有限公司 | Corner feature extraction method based on image contour Freeman chain code |
CN111462147B (en) * | 2020-04-30 | 2022-07-05 | 柳州智视科技有限公司 | Method for cutting and filling image block based on image block outer contour and angular point thereof |
CN112258540B (en) * | 2020-11-18 | 2022-04-22 | 西安邮电大学 | Image corner detection method based on nonlinear direction derivative |
CN116728420B (en) * | 2023-08-11 | 2023-11-03 | 苏州安博医疗科技有限公司 | Mechanical arm regulation and control method and system for spinal surgery |
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CN101201938A (en) * | 2006-12-13 | 2008-06-18 | 上海吉量软件科技有限公司 | Filling algorithm for rapidly matching pair of left and right boundary point |
CN101251926A (en) * | 2008-03-20 | 2008-08-27 | 北京航空航天大学 | Remote sensing image registration method based on local configuration covariance matrix |
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US7406196B2 (en) * | 2004-03-19 | 2008-07-29 | Lockheed Martin Corporation | Methods and systems for automatic detection of corners of a region |
CN101398902B (en) * | 2008-09-27 | 2012-07-04 | 宁波新然电子信息科技发展有限公司 | Natural hand-written Arabian letter on-line identification method |
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CN101201938A (en) * | 2006-12-13 | 2008-06-18 | 上海吉量软件科技有限公司 | Filling algorithm for rapidly matching pair of left and right boundary point |
CN101251926A (en) * | 2008-03-20 | 2008-08-27 | 北京航空航天大学 | Remote sensing image registration method based on local configuration covariance matrix |
Non-Patent Citations (2)
Title |
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Sohn, K. ctc..Curvature estimation and unique corner point detection for boundary representation.《1992 IEEE International Conference on Robotics and Automation》.1992,第2卷全文. * |
汪剑 等.基于Freeman链码的汉字图像轮廓曲线拐角点检测方法.《自动化技术与应用》.2009,第28卷(第1期),全文. * |
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