进一步发现了随机性纹理应满足的两条特性，并给出了随机性纹理的纹理元定义。
Furthermore, we find the two characteristics of the stochastic textures, and define the definition of the texels of the stochastic textures.
同时给出了根据纹理元尺寸指导自由参数估计的两条原则，据此选择纹理合成时的自由参数。
The paper also concludes two principles used to estimate free parameters according to texels size, and choose free parameters according to these two principles during the texture synthesis.
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。
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.
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