| 一种改进的灰度图像角点检测算法 |
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| 引用本文： | 孟坛魁,华成英.一种改进的灰度图像角点检测算法[J].计算机应用研究,2005,22(4):258-260. |
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| 作者姓名： | 孟坛魁 华成英 |
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| 作者单位： | 清华大学,自动化系,北京,100084 |
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| 摘 要： | 针对SUSAN 角点算法在检测某些“X”型角点时会失败的局限, 提出了一种有效的提取灰度图像中的角点的算法。新算法在分析SUSAN 算法仅仅考虑USAN 区域的面积这一局限性的基础上, 通过增加一个考察USAN 区域之形状的步骤实现了对所有“X”型角点的有效提取。实验结果表明, 改进的算法在计算量相当的情况下提高了角点检测的准确性。
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| 关 键 词： | 角点检测 特征提取 SUSAN算法 图像分析 |
| 文章编号： | 1001-3695(2005)04-0258-03 |
| 修稿时间： | 2004年3月5日 |
An Improved Algorithm for Gray Level Corner Detection |
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| MENG Tan-kui,HUA Cheng-ying.An Improved Algorithm for Gray Level Corner Detection[J].Application Research of Computers,2005,22(4):258-260. |
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| Authors: | MENG Tan-kui HUA Cheng-ying |
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| Affiliation: | (Dept.of Automation,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Describes an improved algorithm for gray level corner detection. On the basis of studying SUSAN corner detector, the authors point out that the adopted method has its limitation in detecting certain " X" corners and junctions. In the proposed algorithm, a simple additional step was taken to solve this problem. Experiments show that the new method was accurate and stable. |
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| Keywords: | Corner Detection Feature Extraction SUSAN Algorithm Image Analysis |
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