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利用空间矩提取亚象素角特征

王社阳 宋申民 强文义 陈兴林

王社阳, 宋申民, 强文义, 陈兴林. 利用空间矩提取亚象素角特征. 自动化学报, 2005, 31(5): 713-719.
引用本文: 王社阳, 宋申民, 强文义, 陈兴林. 利用空间矩提取亚象素角特征. 自动化学报, 2005, 31(5): 713-719.
WANG She-Yang, SONG Shen-Min, QIANG Wen-Yi, CHEN Xing-Lin. Subpixel Corner Detection Using Spatial Moment. ACTA AUTOMATICA SINICA, 2005, 31(5): 713-719.
Citation: WANG She-Yang, SONG Shen-Min, QIANG Wen-Yi, CHEN Xing-Lin. Subpixel Corner Detection Using Spatial Moment. ACTA AUTOMATICA SINICA, 2005, 31(5): 713-719.

利用空间矩提取亚象素角特征

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    通讯作者:

    王社阳

Subpixel Corner Detection Using Spatial Moment

More Information
    Corresponding author: WANG She-Yang
  • 摘要: A novel subpixel corner detection method based on spatial moment is developed in this paper. Firstly, the spatial-moment-generating function, gradient magnitude and variation of gradient-direction corner are used as the decision rule of corner detection by analyzing the mathematical formula of corner-model spatial moment. Then Non-max suppression technique is utilized to detect the vertex of feature corner. Finally, in order to improve its localization performance, subpixel corner detection is implemented by the bilinear interpolation and Newton iteration method. Experiments illustrate that the spatial moment corner detector has better robustness and localization performance than Kitchen detector and Harris detector.
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出版历程
  • 收稿日期:  2004-07-30
  • 修回日期:  2005-06-26
  • 刊出日期:  2005-09-20

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