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    • 4. 发明授权
    • Method and system for generating driving directions
    • 用于产生驾驶方向的方法和系统
    • US07054745B1
    • 2006-05-30
    • US10654229
    • 2003-09-03
    • Jeffrey Darren CouckuytAmos Dylan Vance
    • Jeffrey Darren CouckuytAmos Dylan Vance
    • G01C21/30
    • G01C21/26
    • A method and system for generating driving directions composes computer-based instructions that emulate a human driving perspective. Language-based instructions guide a driver along a route that encompasses a sequence of roads and intersections. An algorithm applies rules based on human perception to route components. The algorithm diagnoses road name changes so that instructions are clear and concise. The algorithm analyzes road and intersection geometry at confusing areas, such as road forks, roundabouts, ferry crossings, cloverleaf interchanges, and ramps, to generate instructions that conform to a driver's natural perspective. The algorithm analyzes the configuration of an intersection with respect to a driver's field of view to compose a clear and concise instruction. When appropriate, the algorithm produces compound instructions for adjacent intersections.
    • 用于产生驾驶方向的方法和系统构成了模拟人的驾驶视角的基于计算机的指令。 基于语言的指导沿着包含一系列道路和交叉点的路线引导驾驶员。 算法将基于人类感知的规则应用于路由组件。 该算法诊断道路名称变化,使指令清晰简洁。 该算法分析道路,交叉路口,渡口,三叶草交叉口和坡道等混乱区域的道路和交叉点几何,以生成符合驾驶员自然视角的指示。 该算法分析了相对于驾驶员视野的交叉点的配置,以构成清晰简洁的指令。 适当时,该算法产生相邻交叉点的复合指令。