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    • 1. 发明授权
    • Method of analyzing the texture of a surface and a carpet characterized
by the method
    • 用该方法分析表面和地毯纹理的方法
    • US5325301A
    • 1994-06-28
    • US860774
    • 1992-03-27
    • Warren F. KnoffMichael J. MerrillBarry RubinAkhileswar G. VaidyanathanJames E. Van TrumpTheresa A. Weston
    • Warren F. KnoffMichael J. MerrillBarry RubinAkhileswar G. VaidyanathanJames E. Van TrumpTheresa A. Weston
    • D01F6/60D02G1/12D02G3/44D02J13/00D05C17/02G01N33/36G06F15/20
    • G01N33/367D02G1/12D02G3/445D02J13/001Y10T428/23936
    • The present invention relates broadly to a method of image analysis for analyzing the texture of a surface, and to a saxony-type carpet having a tightly tailored surface texture characterized by this method. The method employs a model based on a second order co-occurrence matrix model which calculates a set of textural parameters for image classification. This co-occurrence matrix model examines the statistics of the spatial relationship between gray levels in a homogeneously textured image with calculated textural features which represent measures such as homogeneity and contrast. The method of the present invention uses this model to construct a set of normalized textural parameters from the textural parameters and calculates a value for the normalized textural parameters from this set, where the normalized textural parameters are related to the physical properties of the surface, such as pile lay of a carpet. The method compares the value for each of the normalized textural parameters of an unknown sample to the value for each of the corresponding normalized textural parameters for a known, or goal, sample. In one embodiment, the method compares an unknown sample of a saxony-type carpet to a goal sample of a saxony-type carpet having a tightly tailored surface texture to determine whether the unknown sample is such a carpet.
    • 本发明广泛地涉及用于分析表面纹理的图像分析方法,以及以该方法为特征的具有紧密定制的表面纹理的萨克森型地毯。 该方法采用基于二阶共生矩阵模型的模型,该模型计算图像分类的一组纹理参数。 该共生矩阵模型检查均匀纹理图像中的灰度级之间的空间关系的统计,其中计算的纹理特征表示诸如均匀性和对比度的度量。 本发明的方法使用该模型从结构参数构建一组归一化的结构参数,并从该组计算出归一化结构参数的值,其中标准化的结构参数与表面的物理性质相关, 作为地毯的堆叠。 该方法将未知样本的每个标准化结构参数的值与针对已知或目标样本的每个相应的归一化纹理参数的值进行比较。 在一个实施例中,该方法将萨克森型地毯的未知样品与具有紧密定制的表面纹理的萨克森型地毯的目标样品进行比较,以确定未知样品是否为这样的地毯。