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    • 1. 发明申请
    • Systems, methods, and programs for updating map data
    • 用于更新地图数据的系统,方法和程序
    • US20060195256A1
    • 2006-08-31
    • US11299972
    • 2005-12-13
    • Norihiro NakamuraNaoki TsuchiyaSeiji Takahata
    • Norihiro NakamuraNaoki TsuchiyaSeiji Takahata
    • G01C21/32
    • G09B29/10G01C21/32
    • Systems, methods, and programs for updating map data create differential data in a server by comparing an old version of map data stored in the server with a new version of map data and transmit the differential data from the server to a relay device. The systems, methods and programs create updated map data by combining the differential data received from the server with map data previously stored in the relay device. The relay device may then be connected to an updated data storing device that disconnectably connects to both the relay device and the navigation system. The systems, methods, and programs, may then transfer the updated map data from the relay device to the updated data storing device and from the updated data storing device to the navigation system.
    • 用于更新地图数据的系统,方法和程序通过将存储在服务器中的旧版本的地图数据与新版本的地图数据进行比较来创建服务器中的差异数据,并将差分数据从服务器传送到中继设备。 系统,方法和程序通过将从服务器接收的差分数据与先前存储在中继设备中的地图数据组合来创建更新的地图数据。 然后,中继设备可以连接到可断开地连接到中继设备和导航系统的更新的数据存储设备。 然后,系统,方法和程序可以将更新的地图数据从中继设备传送到更新的数据存储设备,并从更新的数据存储设备传送到导航系统。
    • 6. 发明授权
    • Feature parameter candidate generation apparatus and feature parameter candidate generation method
    • 特征参数候选生成装置和特征参数候选生成方法
    • US08630823B2
    • 2014-01-14
    • US12740336
    • 2008-10-31
    • Mitsuhiro YonedaHiroshi NakajimaNaoki TsuchiyaHiroshi Tasaki
    • Mitsuhiro YonedaHiroshi NakajimaNaoki TsuchiyaHiroshi Tasaki
    • G06F7/60G06F17/10
    • G06K9/6298G06F19/00G16H50/50
    • A feature parameter candidate generation apparatus has a storage unit that stores the values of feature parameters extracted from each of samples, an index value calculation unit that calculates an index value, which is obtained by normalizing the number of the kinds of the values of feature parameters by the number of the samples, for each of the feature parameters, an evaluation object selection unit that selects combinations of feature parameters which are objects to be evaluated, an evaluation unit that evaluates whether the uniformity of a frequency distribution of index values of the individual feature parameters for combinations of feature parameters selected as the objects to be evaluated satisfies a predetermined criterion, and a candidate determination unit that determines, as feature parameter candidates to be given to the model generation device, a combination of feature parameters that is evaluated to satisfy the predetermined criterion.
    • 特征参数候选生成装置具有存储单元,存储从各样本提取的特征参数的值,计算索引值的索引值计算单元,该索引值计算单元通过对特征参数的值的种类的数量进行归一化而获得 通过对于每个特征参数的样本数量,评估对象选择单元,其选择作为评估对象的特征参数的组合;评估单元,其评估个体的指标值的频率分布的均匀性 作为要评估对象选择的特征参数的组合的特征参数满足预定标准,以及候选确定单元,其将作为要赋予模型生成装置的特征参数候补确定为评估满足的特征参数的组合 预定标准。