[1]谢生龙,王夏黎,董春雨. 基于不变矩理论线矩法图像特征的提取[J].计算机技术与发展,2014,24(11):139-143.
　XIE Sheng-long,WANG Xia-li,DONG Chun-yu. Extraction of Figure Features Based on Line Moment Method of Moment Invariant Theory[J].,2014,24(11):139-143.
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 基于不变矩理论线矩法图像特征的提取()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
24
期数:
2014年11期
页码:
139-143
栏目:
智能、算法、系统工程
出版日期:
2014-11-10

文章信息/Info

Title:
 Extraction of Figure Features Based on Line Moment Method of Moment Invariant Theory
文章编号:
1673-629X（2014）11-0139-05
作者:
 谢生龙; 王夏黎; 董春雨
 长安大学 信息工程学院
Author(s):
 XIE Sheng-long; WANG Xia-li; DONG Chun-yu
关键词:
 ; 特征描述; 识别特征; 边缘映射; 不变线矩; 指数简化
Keywords:
 ; feature description; recognition feature; edge mapping; invariant linear moment; index simplified
分类号:
TP391.41
文献标志码:
A
摘要:
 传统的Hu不变矩直接针对原图计算，计算量大、实时性不够理想，且受强噪声影响明显，特征描述也不是很准确。文中在不变矩理论的基础上结合Schlick镜面指数简化公式，给出一种将边缘线矩作为识别特征的提取方法。该方法只需对边缘映射图计算不变矩，不必直接在原图上计算，因而避免了不必要的误差，再经过简化指数计算，降低复杂度、减少计算量的同时提高了实时性。最后针对该方法的效率和特征提取性能进行了实验，结果表明该方法快速有效，很好地兼顾了速度与精度。
Abstract:
 Traditional Hu invariant moment is calculated directly in allusion to the original figure, of which the calculation amount is large,real-time performance is not ideal enough,noise effect is obvious and feature description is not accurate enough. In this paper,on the basis of the moment invariant theory,combined with the Schlick’s index simplified formula of mirror model,give an extraction meth-od that takes edge-based line moment as recognition feature. This method,with no need to calculate directly on the original figure,only needs to calculate the invariant moment of the edge mapping figure. Thus the calculation amount is decreased and unnecessary errors are avoided,through the simplified index calculation,reducing the complexity and improving real-time. Finally,experiments on the efficiency and performance of the feature extraction are conducted,which shows that this method is effective,rapid and gives good consideration to both speed and accuracy.

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更新日期/Last Update: 2015-04-14