| 基于游程元的纸印品图像的直线特征提取 |
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| 引用本文： | 于秋则,苏建忠,田金文,柳健,王新赛. 基于游程元的纸印品图像的直线特征提取[J]. 红外与激光工程, 2002, 31(4): 305-309 |
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| 作者姓名： | 于秋则 苏建忠 田金文 柳健 王新赛 |
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| 作者单位： | 华中科技大学图像识别与人工智能研究所图像信息处理与智能控制教育部重点实验室,湖北,武汉,430074 |
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| 摘 要： | 针对纸印品中直线特征提取这一问题，给出游程元、中心游程元、最大领域搜索区域等定义，并在此基础上提出了一种基于游理元提取与归并的直线特征提取算法，给出了基于此算法的横格纸与方格纸中直线特征提取实验结果并对此算法的复杂性进行了分析。实验结果与算法分析表明，方法比基于Hough交换算法简单，实验效果理想，适用于文档表格等的直线特征提取。
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| 关 键 词： | 纸印品图像 直线特征提取 游程元 中心游程元 最大邻域搜索区域 游程元提取 游程元归并 文档表格 |
| 文章编号： | 1007-2276(2002)04-0305-05 |
| 收稿时间： | 2001-12-29 |
| 修稿时间： | 2001-12-29 |
Extraction of straight line of image in paper based on run-length unit |
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| YU Qiu-ze,SU Jian-zhong,TIAN Jin-wen,LIU Jian,WANG Xin-sai. Extraction of straight line of image in paper based on run-length unit[J]. Infrared and Laser Engineering, 2002, 31(4): 305-309 |
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| Authors: | YU Qiu-ze SU Jian-zhong TIAN Jin-wen LIU Jian WANG Xin-sai |
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| Abstract: | For the case of extracting straight line of image in paper, the definitions of run-length unit, central-run-length unit and maximum-adjacent-search area are given. An algorithm of extracting straight line of image in paper based on extraction and mergence of run-length unit is proposed. The experimental results and analysis of algorithm complexity show that, comparing with methods based on Hough transform, the new method is simple and has excellent performance for extracting straight line of document form. |
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| Keywords: | Run-length unit Central-run-length unit Maximum-adjacent-search area Extraction and mergence of run-length unit |
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