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一种Pseudo-Zernike矩的改进算法 被引量：1

An Improved Algorithm of Pseudo-Zernike Moments
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摘要 Pseudo-Zernike矩在模式识别中被广泛采用。但由于Pseudo-Zernike矩的复杂性,相关算法研究尚未得到良好解决。文中对常用算法进行改进,提出了一种直接将矩形图像映射到单位圆内进而求取Pseudo-Zernike矩的算法,并将其应用于识别阿拉伯数字。实验结果表明该算法在计算速度和识别精度上都有明显提高。 Pseudo- Zernike moments are widely used in the fields of pattern recognition due to their properties such as orthogonality, rotation invariance. But for the complexity of Pseudo- Zemike moments, the problem of computation of Pseudo - Zernike moments has not been well solved yet. In this paper, present an improved algorithm based on mapping rectangular image into a unit circle and apply it to the recognition of Arabic numerals. The experimental results show that the improved algorithm has better performance in both calculation time and recognition precision.
作者 王勃飞 曹汉强
机构地区 华中科技大学电子与信息工程系
出处 《计算机技术与发展》 2007年第9期5-7,共3页 Computer Technology and Development
基金 国家科技部攻关项目(2004BA811B08)
关键词 Pseudo—Zernike矩 改进算法 映射 计算时间 识别 Pseudo - Zernike moments improved algorithm mapping calculation time recognition
分类号 TP391.41 [自动化与计算机技术—计算机应用技术]
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参考文献6

  • 1Khotanzad A,Hong Y H.Invariant image recognition by Zernike moments[J].IEEE Transaction on Pattern Analysis and Machine Intelligence,1990,12 (5):489-497.
  • 2叶斌,彭嘉雄.伪Zernike矩不变性分析及其改进研究[J].中国图象图形学报（A辑）,2003,8(3):246-252. 被引量：29
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  • 5夏婷,周卫平,李松毅,舒华忠.一种新的Pseudo-Zernike矩的快速算法[J].电子学报,2005,33(7):1295-1298. 被引量：15
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二级参考文献25

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计算机技术与发展
2007年 第9期

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