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    • 3. 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。
    • 4. 发明申请
    • Method, apparatus and computer program providing broadband preconditioning based on reduced coupling for numerical solvers
    • 方法,装置和计算机程序提供基于减数耦合的数值求解器的宽带预处理
    • US20050222825A1
    • 2005-10-06
    • US10815432
    • 2004-03-31
    • Peter FeldmannJason MorseyBarry Rubin
    • Peter FeldmannJason MorseyBarry Rubin
    • G06F17/10G06F17/12
    • G06F17/12
    • This invention relates to computing numerical solutions of linear systems of equations, specifically to implementing preconditioning of the coefficient matrix of such a system. The preconditioning applies to any coefficient matrix, dense or sparse, based on the solutions of a physical problem of unknown functions, commonly referred to as basis or interpolation functions, where the basis function spans more then one mesh element. Examples of such linear systems can result from, as examples, an electromagnetic analysis of printed circuit boards or field scattering in radar applications, fluid mechanics and acoustics. A method and system to compute a preconditioner for a coefficient matrix A that is compatible with the linear system of equations that provides basis function support over at least two mesh elements. Coupling of the preconditioner between partitions of a portioned mesh representation is only through basis functions at the partition boundaries.
    • 本发明涉及计算线性方程组的数值解,具体涉及实现这种系统的系数矩阵的预处理。 基于未知函数的物理问题的解决方案,通常称为基础函数或插值函数,其中基函数跨越多于一个网格元素,该预处理适用于任何密集或稀疏的系数矩阵。 作为示例,这种线性系统的示例可以从印刷电路板的电磁分析或雷达应用中的场散射,流体力学和声学等方面得到。 一种用于计算系数矩阵A的预处理器的方法和系统,该系数矩阵A与在至少两个网格元素上提供基函数支持的线性方程组兼容。 分段网格表示的分区之间的预处理器的耦合仅通过分区边界处的基函数。
    • 6. 发明授权
    • Method and apparatus for quantifying pigment dispersion quality by paint drawdown
    • 颜料分散质量的定量化方法和装置
    • US07639862B2
    • 2009-12-29
    • US11298958
    • 2005-12-09
    • Robert Vincent Canning, Jr.Scott Richard MehrBarry RubinThomas William Simpson, IIIDouglas Ray Stilwell
    • Robert Vincent Canning, Jr.Scott Richard MehrBarry RubinThomas William Simpson, IIIDouglas Ray Stilwell
    • G06K9/00G01N21/55
    • G01N21/94G01N1/2813G01N33/32G01N2015/0092G01N2015/1486G06T7/0004G06T2207/30108
    • An automated computer-controlled method and apparatus for measuring the quality or fineness of a pigment dispersion sample, comprising placing the pigment dispersion at the deep end of the tapered path of a Hegman gage block, placing the Hegman gage block in a holder in a motorized drawdown device that draws the scraper along the length of the tapered path at an angle and to at a contact pressure and at a controlled rate, thereby creating a tapered film sample of paint whose thickness tapers from a maximum thickness of 100 micrometers to a minimum thickness of zero. An illuminator assembly illuminates the sample with a substantially collimated light source at an intensity level and the light reflected from the sample is collected by a lens onto a photodetector array in a digital camera. After a time interval the camera acquires an image of the sample. The image is digitized and stored in a memory in the computer and then a portion of the image within a region of interest corresponding to the sample in the tapered path is analyzed to detect and count pigment agglomerates that protrude above the surface of the sample.
    • 一种用于测量颜料分散体样品的质量或细度的自动计算机控制方法和装置,包括将颜料分散体放置在Hegman量具块的锥形路径的深端,将Hegman量具块放置在机动化的 牵引装置沿着锥形路径的长度以一定角度并以接触压力和受控速率牵引刮刀,从而形成一个厚度从100微米的最大厚度变薄到最小厚度的涂料的锥形膜样品 零。 照明器组件以强度水平的基本上准直的光源照亮样品,并且从样品反射的光被透镜收集到数字照相机中的光电检测器阵列上。 在一段时间间隔后,相机获取样品的图像。 将图像数字化并存储在计算机中的存储器中,然后分析与锥形路径中的样品相对应的感兴趣区域内的图像的一部分,以检测并计数突出在样品表面上方的颜料附聚物。
    • 7. 发明申请
    • Method and apparatus for quantifying pigment dispersion quality by paint drawdown
    • 颜料分散质量的定量化方法和装置
    • US20070146702A1
    • 2007-06-28
    • US11298958
    • 2005-12-09
    • Robert CanningScott MehrBarry RubinThomas SimpsonDouglas Stilwell
    • Robert CanningScott MehrBarry RubinThomas SimpsonDouglas Stilwell
    • G01N15/02
    • G01N21/94G01N1/2813G01N33/32G01N2015/0092G01N2015/1486G06T7/0004G06T2207/30108
    • An automated computer-controlled method and apparatus for measuring the quality or fineness of a pigment dispersion sample, comprising placing the pigment dispersion at the deep end of the tapered path of a Hegman gage block, placing the Hegman gage block in a holder in a motorized drawdown device that draws the scraper along the length of the tapered path at an angle and to at a contact pressure and at a controlled rate, thereby creating a tapered film sample of paint whose thickness tapers from a maximum thickness of 100 micrometers to a minimum thickness of zero. An illuminator assembly illuminates the sample with a substantially collimated light source at an intensity level and the light reflected from the sample is collected by a lens onto a photodetector array in a digital camera. After a time interval the camera acquires an image of the sample. The image is digitized and stored in a memory in the computer and then a portion of the image within a region of interest corresponding to the sample in the tapered path is analyzed to detect and count pigment agglomerates that protrude above the surface of the sample.
    • 一种用于测量颜料分散体样品的质量或细度的自动计算机控制方法和装置,包括将颜料分散体放置在Hegman量具块的锥形路径的深端,将Hegman量具块放置在机动化的 牵引装置沿着锥形路径的长度以一定角度并以接触压力和受控速率牵引刮刀,从而形成一个厚度从100微米的最大厚度变薄到最小厚度的涂料的锥形膜样品 零。 照明器组件以强度水平的基本上准直的光源照亮样品,并且从样品反射的光被透镜收集到数字照相机中的光电检测器阵列上。 在一段时间间隔后,相机获取样品的图像。 将图像数字化并存储在计算机中的存储器中,然后分析与锥形路径中的样品相对应的感兴趣区域内的图像的一部分,以检测并计数突出在样品表面上方的颜料附聚物。