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    • 100. 发明授权
    • Staged mixture modeling
    • 分阶段混合建模
    • US07133811B2
    • 2006-11-07
    • US10270914
    • 2002-10-15
    • Bo ThiessonChristopher A. MeekDavid E. Heckerman
    • Bo ThiessonChristopher A. MeekDavid E. Heckerman
    • G06F17/10
    • G06K9/6226G06F17/18Y10S707/99935Y10S707/99936Y10S707/99942
    • A system and method for generating staged mixture model(s) is provided. The staged mixture model includes a plurality of mixture components each having an associated mixture weight, and, an added mixture component having an initial structure, parameters and associated mixture weight. The added mixture component is modified based, at least in part, upon a case that is undesirably addressed by the plurality of mixture components using a structural expectation maximization (SEM) algorithm to modify at the structure, parameters and/or associated mixture weight of the added mixture component.The staged mixture model employs a data-driven staged mixture modeling technique, for example, for building density, regression, and classification model(s). The basic approach is to add mixture component(s) (e.g., sequentially) to the staged mixture model using an SEM algorithm.
    • 提供了一种用于生成分段混合模型的系统和方法。 分级混合物模型包括各自具有相关混合物重量的多种混合物组分,以及具有初始结构,参数和相关混合物重量的添加的混合物组分。 至少部分地,添加的混合物组分基于使用结构期望最大化(SEM)算法不期望地由多个混合物组分解决的情况进行修饰,以在结构,参数和/或相关联的混合物重量 加入的混合物组分。 分级混合模型采用数据驱动的分段混合建模技术,例如建筑密度,回归和分类模型。 基本方法是使用SEM算法将混合物组分(例如,顺序地)添加到分级混合物模型中。