In the part of preprocess phase, we should sharp the image and then use the maximum variance binalization, and after that is preliminary classification, eliminate noise, and the last is extract gesture contour.
在预处理阶段需要对图像锐化处理，在基于锐化处理后的图像用方差最大化方法进行二值化处理，接着就是初步分类和除噪声处理，最后提取手势图像的轮廓。
参考来源 - 结构分类的手势识别算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
文章最后，根据这两个指标对矿体的变化性质作了初步分类。
The two coefficients reflect overall random variation and local random variation of ore body respectively.
文章对建筑空间序列中常见的节奏状况进行初步分类，探讨节奏的表现意义。
The essay makes initial discussions of different kinds of rhythms in architectural spatial sequence to approach to the practical significance of rhythms.
最后，在对象光谱特征的初步分类结果，根据纹理分类规则得到最终结果基础上。
Finally, according to the restriction of the preliminary clustering result derived from spectral feature of objects, the ultimate classification is achieved referring to the rules.
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