We are interested in clustering parts of a given single multi-variate series in an unsupervised manner. We would like to segment and cluster the series such that the resulting blocks present in each cluster are coherent with respect to a known model (e.g. physics model). Data points are said to be coherent if they can be described using this model with the same parameters. We have designed an algorithm based on dynamic programming with constraints on the number of clusters, the number of transitions as well as the minimal size of a block such that the clusters are coherent with this process. We present an use-case: clustering of petrophysical series using the Waxman-Smits equation.
翻译:我们有兴趣以不受监督的方式将某一单一多变系列的各个部分分组,我们希望分解和分组该系列,使每个组群中产生的区块与已知模型(例如物理模型)保持一致,如果能够用相同的参数用这一模型来描述数据点,则数据点据说是一致的,我们已经设计了一种基于动态编程的算法,其根据是动态编程,对组群数目、过渡次数以及块块的最小大小都有限制,使组群与这一过程相一致。我们提出了一个使用案例:利用Waxman-Smits等式组合石油物理系列。