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基于Tchebichef不变距的图形识别

A New Recognition Method of Graphic Pattern Based on Tchebichef Moment Invariants
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摘要 论文提出一种新的基于Tchebichef不变距的图形识别方法,Tchebichef不变距通过对图像进行大小归一化、平移处理以及旋转处理并结合Tchebichef正交距得到;利用提出的Tchebichef不变距作为特征进行图形的识别,和采用Hu不变距以及Zernike不变矩的识别方法相比,无论是在无噪声还是在有噪声的情况下都有更高的识别精度;仿真试验证实了本方法的可行性。 In this paper,a new Tchebichef moment invariants based method for recognition graphic pattern is presented. The Tchebichef moment invariants are obtained through normalization with respect to scaling,translation and rotation for original image and combing Tchebichef discrete orthogonal moment.Object recognition experiments show Tchebichef moment invariants perform significantly better than Hu's moment invariants or Zernike's moment invariants in both noise-free and noisy condition.
作者 张航 罗大庸
出处 《计算机工程与应用》 CSCD 北大核心 2006年第14期52-54,共3页 Computer Engineering and Applications
基金 国家863高技术研究发展计划资助项目(编号:863-511092) 湖南省自然科学基金资助项目(编号:05JJ30121) 中南大学博士研究生学位论文创新选题项目(编号:040122)
关键词 Tchebichef不变距 Tchebichef正交距 Hu距 ZERNIKE矩 图形识别 Tchebichef moment invariants,Tchebichef discrete orthogonal moment,Hu's moment,Zernike's moment, graphic recognition
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参考文献11

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