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    • 95. 发明授权
    • MEMS optical sensor
    • MEMS光学传感器
    • US09574956B2
    • 2017-02-21
    • US14405938
    • 2013-06-06
    • Technical University of Denmark
    • Kasper ReckChristian ØstergaardOle HansenErik Vilain Thomsen
    • G01L1/24G01L11/02G01N21/55G02B6/10
    • G01L1/246G01L11/02G01N21/55G01N2201/061G01N2201/0633G01N2201/084G02B6/10
    • The present invention relates to an all-optical sensor utilizing effective index modulation of a waveguide and detection of a wavelength shift of reflected light and a force sensing system accommodating said optical sensor. One embodiment of the invention relates to a sensor system comprising at least one multimode light source, one or more optical sensors comprising a multimode sensor optical waveguide accommodating a distributed Bragg reflector, at least one transmitting optical waveguide for guiding light from said at least one light source to said one or more multimode sensor optical waveguides, a detector for measuring light reflected from said Bragg reflector in said one or more multimode sensor optical waveguides, and a data processor adapted for analyzing variations in the Bragg wavelength of at least one higher order mode of the reflected light.
    • 本发明涉及利用波导的有效折射率调制和检测反射光的波长偏移的全光学传感器以及容纳所述光学传感器的力感测系统。 本发明的一个实施例涉及包括至少一个多模光源的传感器系统,一个或多个光学传感器,其包括容纳分布式布拉格反射器的多模传感器光波导,至少一个发射光波导,用于引导来自所述至少一个光的光 源到所述一个或多个多模传感器光波导,用于测量在所述一个或多个多模传感器光波导中从所述布拉格反射器反射的光的检测器,以及适于分析至少一个高阶模的布拉格波长的变化的数据处理器 的反射光。
    • 98. 发明授权
    • Method and apparatus for shadow estimation and spreading
    • 阴影估计和扩散的方法和装置
    • US09530244B2
    • 2016-12-27
    • US14538276
    • 2014-11-11
    • Intergraph Corporation
    • Elaine S. Acree
    • G06T17/05G06T15/60G01C21/00G06T7/00
    • G06T15/60G01C21/00G06T15/04G06T17/05G06T2215/12
    • A computer-implemented method for creating an image that depicts shadowing for a specified light source even though the input data is not three-dimensional and is limited to elevation data that associates an elevation value with each of a plurality of spatial coordinates. Plumb line walls are generated between elevation points of neighboring grid cells for each elevation point meeting a specified delta elevation criterion. A shadow map is accumulated based on visibility of each pixel to the light source position, and then, in a subsequent pass through the coordinate pixels of the data, an image is created in a tangible medium with each pixel correspondingly visible or shadowed, either totally or partially. Values along one dimension may be spread over a Z-buffer range to optimally resolve visibility features.
    • 一种计算机实现的方法,用于创建描绘指定光源的阴影的图像,即使输入数据不是三维的,并且限于将高程值与多个空间坐标中的每一个相关联的高程数据。 在每个高程点的相邻网格单元的高程点之间产生符合规定的增量标准的铅垂线。 基于每个像素对光源位置的可视性而累积阴影图,然后在随后的数据的坐标像素中,在有形介质中创建图像,每个像素对应地可见或阴影 或部分。 沿着一个维度的值可以在Z缓冲区范围内扩展,以最佳地解析可见性特征。