For example centroid analysis and to facilitate them to learn and use.

对于形心分析和算例，方便大家学习和使用。

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Object centroid as the features was computed by means of regional statistics, parameter recognition, noise region removal and cluster analysis.

然后采用区域统计、参数识别、噪声区域去除以及聚类分析等手段进行目标特征识别，提取出棒材的质心点坐标作为特征；

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The texture feature was obtained by statistically projecting the local centroid which was referred from the structural texture analysis methods based on the wavelet package transform.

该算法以具有多分辨率特性的小波包为基础，结合结构法的纹理元分析方式，采用区域质心完成局部特征提取，最后使用投影法进行整体的特征提取。

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