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    ENCODING POLYGON DATA FOR FAST RETRIEVAL AND RENDERING
    4.
    发明申请
    ENCODING POLYGON DATA FOR FAST RETRIEVAL AND RENDERING 有权
    编辑多边形数据进行快速检索和渲染

    公开(公告)号：US20150332487A1

    公开(公告)日：2015-11-19

    申请号：US14281436

    申请日：2014-05-19

    Applicant: GOOGLE INC.

    Inventor： Brian Williams ,  Harlan Hile ,  Hannah Tang ,  Andrew Miller ,  David Sunderland

    IPC: G06T11/20

    CPC classification number: G06T11/203 ,  G06T17/20 ,  G06T2210/08 ,  G06T2210/56

    Abstract: An indexed list of vertices is generated to represent a polygon. The indexed list is ordered so as to define one or more boundaries of a polygon, where each element in the indexed list of vertices specifies respective coordinates in an at least two-dimensional space. A description of several component shapes that make up the polygon is generated, where the description includes indices into the indexed list of vertices. The indexed list of vertices and the description of the component shapes are provided to a computing device for rendering the polygon.

    Abstract translation: 生成索引的顶点列表来表示多边形。 索引列表被排序以定义多边形的一个或多个边界，其中索引的顶点列表中的每个元素在至少二维空间中指定相应的坐标。 生成组成多边形的几个组件形状的描述，其中描述包括索引的顶点列表中的索引。 索引的顶点列表和组件形状的描述被提供给用于渲染多边形的计算设备。

    Orientation estimation based on backward-forward bayesian filtering
    7.
    发明授权
    Orientation estimation based on backward-forward bayesian filtering 有权
    基于后向贝叶斯滤波的方位估计

    公开(公告)号：US09581467B1

    公开(公告)日：2017-02-28

    申请号：US15154209

    申请日：2016-05-13

    Applicant: Google Inc.

    Inventor： Mohammed Khider ,  Etienne Le Grand ,  Brian Williams ,  Patrick Robertson

    IPC: H04W24/00 ,  G01D5/00 ,  H04W4/04 ,  G01S19/42

    CPC classification number: H04W4/026 ,  G01C19/00 ,  G01C25/005 ,  G01D3/022 ,  G01D5/00 ,  G01S19/13 ,  G01S19/42 ,  H04W4/02 ,  H04W4/027 ,  H04W4/04

    Abstract: A system includes one or more processors, and data storage configured to store instructions that, when executed by the one or more processors, cause the system to perform functions. In this example, the functions include receiving sensor data that is collected by one or more sensors of a device over one or more locations and over a time period. Further, in the present example, the functions also include determining location estimates of the device by performing filtering of the sensor data to determine offsets for a least one sensor providing sensor data. The filtering is an iterative process of filtering control input data to determine the sensor bias based on data from a second sensor of the at least two sensors and adjusting the set of sensor data based on the determined bias.

    Abstract translation: 系统包括一个或多个处理器，以及数据存储器，被配置为存储当由一个或多个处理器执行时使系统执行功能的指令。 在该示例中，功能包括接收由一个或多个位置的一个或多个位置的一个或多个传感器收集的传感器数据，并且在一段时间内。 此外，在本示例中，功能还包括通过执行传感器数据的滤波来确定提供传感器数据的至少一个传感器的偏移来确定设备的位置估计。 所述滤波是对基于所述至少两个传感器的第二传感器的数据进行滤波控制输入数据以确定所述传感器偏置的迭代过程，并且基于所确定的偏差来调整所述传感器数据集合。

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