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    • 7. 发明授权
    • Systems and methods for combining a plurality of terrain databases into one terrain database
    • 将多个地形数据库组合成一个地形数据库的系统和方法
    • US08019736B1
    • 2011-09-13
    • US11881112
    • 2007-07-25
    • Alex PostnikovJason C. WengerKaren L. WallingAndrew M. PelzerVictoria C. Bowman
    • Alex PostnikovJason C. WengerKaren L. WallingAndrew M. PelzerVictoria C. Bowman
    • G06F7/00G06F17/00G06F17/30G06T17/00
    • G06F17/30241G06T17/05
    • A present novel and non-trivial system and methods for exacting terrain elevation data contained in a plurality of terrain elevation databases or data sets, combining the terrain elevation data contained in each terrain elevation data set to produce a single, combined terrain database of a common resolution. A system is disclosed that could provide a processor with terrain elevation data from a plurality of terrain elevations data sets having differing resolution and accuracy parameters, a per-point error metric data from a plurality of error metric data sets, and a common resolution parameter. A method is disclosed which for combining terrain elevation data sets having difference resolutions into a single, combined terrain elevation data set having a common resolution utilizing a per-point error metric data from a plurality of error metric data sets. A second method is disclosed for combining a plurality of terrain elevation data sets having different resolutions into terrain elevation data of a single, combined terrain elevation data set having a common resolution by transforming the plurality of terrain elevation data sets into a plurality of terrain frequency data sets and filtering the terrain frequency data sets utilizing a Kalman filter.
    • 一种用于精确地包括在多个地形高程数据库或数据集中的地形高程数据的新型和非平凡系统和方法,其组合包含在每个地形高程数据集中的地形高程数据,以产生公共 解析度。 公开了一种系统,其可以向处理器提供来自具有不同分辨率和精度参数的多个地形海拔数据集的地形高程数据,来自多个误差度量数据集的每点误差量度数据和公共分辨率参数。 公开了一种用于将具有不同分辨率的地形高程数据组合并成具有利用来自多个误差度量数据集的每点误差量度数据的共同分辨率的单个组合地形高程数据集的方法。 公开了第二种方法,用于将具有不同分辨率的多个地形高程数据组组合成具有共同分辨率的单个组合地形高程数据集的地形高程数据,该多个地形高程数据集通过将多个地形高程数据集变换为多个地形频率数据 使用卡尔曼滤波器设置和过滤地形频率数据集。