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    • 5. 发明授权
    • System and method for decomposing an image into reflectance and shading components
    • 将图像分解为反射和阴影分量的系统和方法
    • US08411990B1
    • 2013-04-02
    • US12857385
    • 2010-08-16
    • Sunil HadapXiang Huang
    • Sunil HadapXiang Huang
    • G06K9/40G06K9/00G06K9/62
    • G06T7/507G06T7/40G06T2207/10024
    • Various embodiments of a system and methods for decomposing an image into reflectance and shading components are described. An image decomposition module may represent an image as a product of the reflectance and shading components of the image. Data representing the image may be transformed into an image gradient containing both reflectance and shading component gradients. A normal vector perpendicular to the direction of the reflectance component gradient may be determined, based on a difference between the color channels of the image gradient. The image gradient may be modified according to the normal vector to eliminate the reflectance component gradient. The shading component gradient may be determined from the modified image gradient. The shading component gradient may be transformed into the shading component. The reflectance component may be determined by substituting the shading component into the representation of the image which is a product of the reflectance and shading components.
    • 描述了用于将图像分解为反射率和阴影分量的系统和方法的各种实施例。 图像分解模块可以将图像表示为图像的反射率和阴影分量的乘积。 表示图像的数据可以变换成包含反射率和阴影分量梯度的图像梯度。 可以基于图像梯度的颜色通道之间的差异来确定垂直于反射分量梯度的方向的法向矢量。 可以根据法向量修改图像梯度以消除反射分量梯度。 可以从修改的图像梯度确定阴影分量梯度。 阴影分量梯度可以被转换成阴影分量。 可以通过将阴影分量代入作为反射率和阴影分量的乘积的图像的表示来确定反射分量。
    • 7. 发明授权
    • Planar solar concentrator power module
    • 平面太阳能集中器电源模块
    • US07872192B1
    • 2011-01-18
    • US12157585
    • 2008-06-11
    • Lewis M. FraasJany X. FraasHan Xiang HuangJames E. Avery
    • Lewis M. FraasJany X. FraasHan Xiang HuangJames E. Avery
    • H01L31/00
    • H01L31/042F24S23/31H01L31/02H01L31/0504Y02E10/50
    • A planar concentrator solar power module has a planar base, an aligned array of linear photovoltaic cell circuits on the base and an array of linear Fresnel lenses or linear mirrors for directing focused solar radiation on the aligned array of linear photovoltaic cell circuits. The cell circuits are mounted on a back panel which may be a metal back plate. The cell circuit area is less than a total area of the module. Each linear lens or linear mirror has a length greater than a length of the adjacent cell circuit. The cell circuit may have cells mounted in shingle fashion to form a shingled-cell circuit. In an alternative module, linear extrusions on the circuit element have faces for mounting the linear mirrors for deflecting sun rays impinging on each mirror onto the shingled-cells. The linear extrusions are side-wall and inner extrusions with triangular cross-sections. The circuit backplate is encapsulated by lamination for weather protection. The planar module is generally rectangular with alternating rows of linear cell circuits and linear lenses or linear mirrors.
    • 平面集中器太阳能发电模块具有平面基座,基座上的线性光伏电池电路对齐的阵列和线性菲涅尔透镜或线性反射镜阵列,用于将聚焦的太阳辐射引导到对准的线性光伏电池电路阵列上。 电池电路安装在后面板上,后面板可以是金属背板。 单元电路面积小于模块的总面积。 每个线性透镜或线性反射镜的长度大于相邻单元电路的长度。 单元电路可以具有以瓦片方式安装的单元以形成带状单元电路。 在替代模块中,电路元件上的线性挤压具有用于安装线性反射镜的面,用于将照射在每个反射镜上的太阳光线偏转到带状阴影单元上。 线性挤压是具有三角形横截面的侧壁和内挤压件。 电路背板通过层压封装,用于天气保护。 平面模块通常为具有交替行的线性单元电路和线性透镜或线性反射镜的矩形。